The team at Kirkland & Ellis LLP  is distinguished by its trial readiness and strong track record in patent litigation across all major venues, including US district courts, the US Court of Appeals for the Federal Circuits, the PTAB and the ITC. The practice is chosen for high-stakes competitor cases and recently worked on the largest defence-side patent win in US history for its client Samsung. Gregory Arovas represents plaintiffs and defendants in high-profile cases in New York. Seasoned litigator Gregg LoCascio, based in Washington DC, regularly acts as lead counsel on high-stakes IP disputes. Adam Alper, from the Bay Area, focuses on competitor cases in the telecommunications, computer hardware and pharmaceutical industries. In Los Angeles, Michael De Vries consistently achieves victories in both plaintiff and defence-side patent litigation. Other key practitioners include Chicago-based James Hurst, a seasoned trial lawyer, and Robert Appleby, based in New York, who focuses on patents and trade secret cases in state and federal courts. Additionally, further expertise can be found on the West Coast: Brandon Brown a specialist in high-tech patents, is also based in the Bay Area, while Sharre Lotfollahi, located in Los Angeles, concentrates on patents related to semiconductors, microprocessors and medical devices.

Recognised for its ‘strong track record of great results’, Latham & Watkins LLP’s team advises household names on complex, multi-patent and high-value patent litigation cases. As well as its market-leading pharmaceutical and life sciences patent practice, the ‘extremely sharp’ department has been growing a major technology offering for technology giants such as Netflix and Taiwan Semiconductor Manufacturing Corporation. The team demonstrates experience in all key litigation avenues, including the ITC and PTAB. David P. Frazier, from Washington DC, is a stand-out practitioner renowned for defending cutting-edge pharmaceutical products against infringing biosimilars. Frazier co-heads the department with Jennifer Barry, based in San Diego, and Austin’s Jeff Homrig. In Washington, DC, Gabriel K. Bell specializes in patent litigation in the Federal Circuit and District Courts. In New York City, Rachel Renee Blitzer, who was promoted to partnership in March 2024, focuses on complex patent and trade secret cases involving technologies, machinery, and medical devices. Douglas Lumish is well-regarded for his exceptional patent litigation record, and practices from the Bay Area. Maximilian Grant retired in December 2024.

Paul Hastings LLP’s full-service patent litigation practice is reputed for its technical expertise and success in representing notable clients in the life sciences and technology sectors, including Meta, Google, Samsung and BioNTech. The team often works on precedent-setting matters, such as their recent victory for Allergan which will transform Obviousness-type Double Patenting (ODP) in the pharmaceutical industry. The practice also showcases expertise in high-value trade secret matters. Chairing the practice are three IP specialists: Naveen Modi, located in Washington DC, is an expert in post-grant patent and appellate proceedings, particularly before the USPTO and Court of Appeals; New York’s Bruce Wexler, who focuses on life sciences patent litigation and represents large and start-up biotech companies; and Eric Dittmann, who is also based in New York and is seasoned in trying business-critical patent cases, with a core focus on biotech and Hatch-Waxman cases. Another key contact in New York is Melanie Rupert whose experiences extend to the biotech, pharmaceutical and medical device industries. Lisa Nguyen, along with five fellow partners, joined the team in March 2024 from A&O Shearman.

Quinn Emanuel Urquhart & Sullivan, LLP’s deep bench of lawyers is adept at handling high-profile and high-exposure patent litigation. Along with its exceptional trial record, the team are also sought after for its expertise in antitrust, unfair competition and trade secret cases. Leveraging its broad technical expertise, the practice recently achieved a complete defense verdict on behalf of Samsung. Victoria Maroulis, managing partner of the firm’s Silicon Valley Office, co-chairs the practice and specializes in patents related to telecoms, software, semiconductors and medical devices. Co-chair Kevin Johnson, also in Silicon Valley, focuses on litigating patent infringement, trade secrets and unfair competition. Fellow co-chair Sean Pak, based in San Francisco, brings deep technical expertise in electrical engineering and artificial intelligence. Rounding out the team’s leadership is Chicago-based David Nelson, a seasoned technology patent litigator, and Los Angeles-based Yury Kapgan, who focuses on patent infringement for both start-ups and large international corporations. Additionally, John McKee, based out of New York, is a leading attorney representing petitioners at the PTAB.

Cooley LLP  demonstrates an impressive strength in patent litigation at all stages of operation and across both the life sciences and technology industries. The practice is engaged by market-leading clients, including Meta, Uber, Sight Sciences and Vifor to navigate high-stakes and business-critical matters. Speaking to the team’s wide-ranging expertise, the team successfully defended and sought damages for Sight Sciences in a patent infringement jury trial. The department is chaired by Steve Smith, in Washington DC; Smith is a leading advisor to leading technology companies in competitor cases across the full array of litigation venues. Also in Washinton DC is Sanya Sukduang, a leading advisor for patent disputes to clients in the pharmaceutical, biotechnology and medical device industries. In Palo Alto, Heidi Keefe is a first-chair litigator for technology patent cases, with particular success at the Patent Trial and Appeal Board (PTAB). In San Diego, Chad Shear focuses on high-stakes pharmaceutical patent disputes. Additionally, Reuben Chen in Palo Alto provides additional expertise in medical device and biotechnology patent litigation.

DLA Piper LLP (US)’s practice is renowned for defending technology, semiconductor and medical device companies in high-stakes, multi-patent litigation. The team’s stellar client roster includes several of the market-leading global technology giants, including Toyota, Panasonic and Sony. In Washington DC, Sean Cunningham is sought after for his expertise in handling technology patents in all major trial venues, spanning both federal courts and the ITC. Cunningham co-leads the department with three patent trial specialists: Kathryn Riley Grasso, in San Diego, who has significant experience trying medical device and technology patent disputes; Chicago-based Matthew Satchwell, a specialist in semiconductors, automotive and communications patents; and Gina Durham, based in San Francisco. In Washington DC, Erin Gibson is another key asset to the team and is well-regarded for her success in jury trials. Finally, in Palo Alto, Mark Fowler is a seasoned litigator who typically represents international technology companies.

Finnegan, Henderson, Farabow, Garrett & Dunner LLP boasts technical expertise and a proven track record in complex patent litigation before the PTAB, as well as district and federal courts. The team are particularly well-positioned to represent clients in ANDA and trade secrets cases. Elizabeth D. Ferrill stands out for her expertise in design patents related to industrial products, medical devices and vehicles. Ferril co-heads the team with John Williamson, who focuses on technology patents; Anand K. Sharma, a specialist in handling particularly complex and high-value patent portfolios; and managing partner Erika Harmon Arner, who splits her time between Reston and Washington DC. James Barney is a key attorney for patent litigation and appeals, while Atlanta-based Virginia L. Carron is noted for her expertise in the food and beverage, chemicals and polymer industrial sectors. As head of the firm’s biotechnology and pharmaceutical department, William B. Raich specializes in representing innovative companies developing biologics and pharmaceuticals. All mentioned attorneys are based out of Washington DC, unless otherwise stated.

Gibson, Dunn & Crutcher LLP’s practice is adept at the full range of IP litigation, often representing leading tech and telecoms companies, such as Verizon and T-Mobile. In this vein, the team recently scored a victory for Verizon regarding 5G wireless technology patent infringement. The practice is also well-equipped to defend its clients against non-practicing entities. With the ability to litigate complex patent cases from discovery to trial and appeal, Kate Dominguez co-chairs the department with fellow litigators Josh Krevitt and Jane Love. Krevitt focuses on high-stakes patent litigation spanning wireless technologies, ANDA litigation, telecommunications hardware and semiconductors. The ‘compelling and persuasive’ Jane Love specialises in pharmaceutical and biotechnology patents, with extensive experience in Hatch-Waxman and BPCIA cases. Brian Rosenthal, who clients laud as ‘one of the best trial lawyers’ observed in court, is another key tech patent litigator, with particular success at the Court of Appeals. Additionally, in Washington DC, Brian Buroker brings well-rounded experience in different patents, spanning the medical device, pharma and high-tech sectors. All named attorneys are based in New York unless otherwise stated.

Goodwin regularly fields ‘highly talented and capable trial teams’ to manage and achieve victories in complex patent litigation. The team possesses significant expertise in competitor disputes related to high technology and excels in proceedings before the PTAB. The practice also has a strong reputation in the life sciences sector, regularly representing brand companies in Hatch-Waxman cases. Elaine Blais, based in Boston, is a first-chair trial lawyer who specializes in pharma and biotech patents. Blais jointly leads the team with the esteemed Brett Schuman, who is based in San Francisco and excels in patent infringement related to mobile phone and telecoms technology. Other notable practitioners in Boston include Douglas Kline, a ‘skilled trial advocate’ who leverages over thirty years of experience trying patent disputes, and Molly Grammel, a key attorney involved in the team’s recent victory for Breeze Smoke. Naomi Birbach, in New York, is highly regarded for her work in post-grant proceedings, such as inter partes reviews, before the PTAB.

Irell & Manella LLP’s Los Angeles-based team maintains a strong reputation for successfully handling competitor versus competitor patent trials in the federal courts and PTAB. The team’s diverse roster of clients ranges from individual inventors to major tech and biotech companies. Seasoned trial attorney Morgan Chu chairs the practice, contributing his extensive experience in precedent-setting patent litigation cases. Jason Sheasby is very active in high-tech patent infringement cases, having recently secured victories for his clients G+ Communications and Netlist. Benjamin Hattenbach’s practice focused on pre-litigation counselling and patent infringement trials. Lisa Glasser is a valuable addition to the team, as she is knowledgeable in a wide range of high tech and life sciences issues. In Newport Beach, Stephen Payne is a skilled attorney who can handle cases in federal courts, appeal courts, and the patent office. Tony Rowles, also based in Newport Beach, specializes in patent litigation related to high-tech and manufacturing industries.

The department at Jones Day maintains its reputation for delivering ‘fantastic’ patent litigation. With expertise spanning the technology and life sciences sectors, the team frequently works for industry-leading companies, including Google, Johnson & Johnson and Qualcomm Incorporated. The practice additionally boasts a strong track record enforcing and defending patents in the gaming and fintech sectors. With deep patent experience for pharma and biotech companies, San Diego-based Anthony Insogna serves as the global practice leader for IP, overseeing Hatch-Waxman and competitor vs. competitor patent cases. David Maiorana, in Cleveland, and Ryan Walsh, in Atlanta, co-head the patent litigation team. Stand-out names in Silicon Valley include Greg Lanier, a leading technology trial lawyer, and  Micheal Hendershot, who is highly skilled in a broad array of high-stakes IP disputes. Jennifer Bennett, based in San Francisco, excels in both tech and biological patents and recently represented the Canadian Government regarding the patent infringement of Canadian-bred fruit. Other key practitioners include Ryan McCrum, based in Cleveland, who specializes in complex high-stakes technology patents and Sarah Geers, based in New York, who typically represents pharma companies in district courts and PTAB trial proceedings.

Morrison Foerster 's team demonstrates notable strength in life sciences and high tech patents, with a recent focus on semiconductor and emerging medicine cases. The department has a geographically diverse leadership team. In Washington DC, Mark Whitaker, with experience in all key litigation venues, focuses on semiconductors, optical technologies, chemicals and database analytics. Austin-based Brian Nash is a specialist in complex patent litigation, with a particular focus on disputes in the Eastern and Western Districts of Texas. Rounding out the leadership are Bita Rahebi, based in Los Angeles, and Tim Saulsbury, based in San Francisco; both Rahebi and Saulsbury are key first-chair patent litigators for leading technology companies. Other trusted counsellors include Richard Hung, recognized as a brilliant strategist, and Daralyn Durie, who is highly sought after by both plaintiffs and defendants for her success in IP trials. Both Hung and Durie are located in San Francisco.

Orrick, Herrington & Sutcliffe LLP specializes in competitor v. competitor cases on both the plaintiff and defence sides, often with a business-critical element. The practice demonstrates notable proficiency in handling Hatch-Waxman cases for notable brands such as Johnson & Johnson and Janssen Biotech. Alyssa Caridis, based in Los Angeles, who brings expertise in a broad spectrum of technologies in the industrial, TMT and transportation sector. Caridis co-leads the team with Sheryl Koval Garko, who is based in Boston. In Silicon Valley, Jared Bobrow conducts patent litigation and trade secrets cases regarding complex technologies. Located in San Francisco, Clement Seth Roberts is the team head for the firm’s broader IP division and a seasoned IP litigator in state and federal courts. Steven Routh, based in Washington DC, is a highly experienced first-chair trial lawyer with a focus on patent infringement. On the life sciences front, David Gindler specializes in protecting major biotech companies, while Lauren Drake leverages her biochemistry background to represent clients in the biotech and pharmac industries. Both Gindler and Drake are located in Los Angeles. Irena Royzman joined the New York office from Herbert Smith Freehills Kramer in 2024, contributing significant experience in pharma and biotech.

Williams & Connolly LLP has a strong track record in business-critical patent litigation cases at both the trial and appellate levels. Along with its expertise in defending technology patents, the team demonstrates a particular strength in the life sciences space. Recently, they successfully represented Pfizer in three inter partes reviews (IPRs) and have handled various Hatch-Waxman cases for AstraZeneca. The Washington DC-based team is co-chaired by David Berl, a seasoned lead counsel with a focus on patents in the biotech, pharma and energy sectors, and Jessamyn Berniker, who has significant experience in patent litigation across the pharma, medical device and electronics industries. Thomas Selby brings value expertise related to cases at the intersection of the life sciences and technology sectors. Stanley Fisher is sought after by tech companies for his knowledge of patent and antitrust issues. Dov Grossman is also a key practitioner, particularly for biopharma companies. Elise M. Baumgarten and Shaun P. Mahaffy offer further support, with both specializing in Hatch-Waxman cases.

Comprised of ‘strong members from the top down’. Winston & Strawn LLP’s boasts a strong patent litigation team with expertise in high technology, biotechnology, pharmaceutical and medical device sectors. The practice also specializes in patent cases involving AI. In Los Angeles, Nimalka Wickramasekera specializes in medical device patents. Wickramasekera co-chairs the department with Charlotte-based Danielle Williams, an experienced litigator in semiconductor and software patent infringement. David Enzminger, also in Los Angeles, is well-regarded for his work on complex hardware and software patent infringement cases. The team is further strengthened by the esteemed George Lombardi, in Chicago, who is a leading patent litigator for cases involving telephone and computer tech. In Washington DC, both Chuck Klein and Jovial Wong excel in high-value patent cases related to pharma and biotech. Dallas-based Thomas Melsheimer is another of the firm’s go-to patent litigators. Additionally, clients praise Krishnan Padmanabhan in New York for his ‘winning arguments’ and technological expertise in district courts.

Arnold & Porter is highly skilled at high-stakes patent litigation across both the technology and life sciences sectors. The team are well-equipped to represent market-leading companies, including Samsung, Google, Nike and Pfizer, against competitors or smaller plaintiffs. The department is co-chaired by Dina Hayes, a Chicago-based attorney specializing in all facets of trade secret and multi-patent litigation, and Douglas Winthrop, a seasoned litigator practising in San Francisco. In Washington DC, Matthew Wolf maintains a strong track record in IP trials at the federal and district courts, as well as the ITC. Based in Silicon Valley, Deborah Fishman has developed a focus on biopharma and medical device patent litigation, often with a business-critical element. Chicago-based Michael Harris is another key attorney, handling critical patent litigation for leading retail and commercial clients.

Baker Botts L.L.P.’s practice boasts a ‘deep bench of talented lawyers covering all aspects of IP litigation’ who are trusted counsel to leading technology companies like AT&T, Samsung and Mastercard. The team excels in cases before the Patent Trial and Appeal Board (PTAB) and is led by four experienced attorneys. In Dallas, Christa Brown-Sanford specializes in electrical patent disputes, while Douglas Kubehl is adept at complex patent litigation in the telecommunications sector. In New York, Jennifer Tempesta regularly represents multinational companies and is particularly skilled in appellate proceedings. Katharine Burke, based in Washington DC, rounds out the team’s leadership, bringing expertise in patents related to electronics, telecommunications and medical devices. Robert Fulghum is a key contact in Houston for patent and trade secret disputes in federal and state courts. Additionally, New York’s Robert Maier can handle all phases of patent litigation. Robert Benson and Jeffrey Johnson joined from Orrick, Herrington & Sutcliffe LLP in February 2024. Sarah Guske left the firm in October 2024.

Greenberg Traurig, LLP’s ‘extremely responsive’ team handles complex patent litigation at all stages, with a strong track record in trials and appeal proceedings, as well as competitor versus competitor cases. The practice also stands out for its broad experience in diverse technologies, including the retail, financial, biotech, e-commerce and high-technology sectors. In New York, Scott Bornstein has deep patent trial experience and is described by his clients as a ‘rock star’. Bornstein co-chairs the department with Joshua Raskin, also based in New York, who specializes in electronic, computing technology and medical device patent disputes, and Richard Harris, who practices in Chicago. In San Francisco, Nicholas Brown has litigated pharmaceutical and technology patent cases before the ITC, PTAB and district courts. Other key attorneys in New York include Rose Cordero Prey, who is sought after for her high-tech IP litigation expertise, and Thomas Pease, who is regularly leads patent and trade secret trials related to telecommunications, semiconductors, machine learning and AI.

Groombridge, Wu, Baughman & Stone have established an excellent patent litigation team in the pharma and biotech sectors. The team frequently act as lead counsel on multi-patent competitor disputes and Hatch-Waxman cases. The team have recently protected the liquid nanoparticle technology behind Pfizer’s COVID-19 vaccine for its client Acuitas Therapeutics. At the helm of the practice is Nicholas Groombridge, located in New York, who has an excellent reputation for litigating high-stakes patent disputes across a broad array of life sciences and technical areas. Groombridge co-leads the team with three other seasoned patent litigators. Jennifer Wu and Eric Alan Stone, both based in New York, excel in business-critical disputes related to pharmaceuticals, biotechnology and medical devices. The team’s leadership also includes Steven Baughman, based in Washington DC, who is recognised as an expert at the PTAB representing multinational corporations like Novo Nordisk and Apple. Megan Raymond, another key attorney in Washington DC, specializes in post-grant proceedings at the PTAB.

Knobbe Martens Olson & Bear LLP is renowned for its ‘deep knowledge in contentious matters in many forums’. The practice’s diverse caseload covers the life sciences and technology sectors, with particular expertise in Hatch-Waxman cases and competitor disputes. Recently, the team achieved a significant victory for lululemon in its competitor dispute against Nike. Sheila Swaroop leads the team in Irvine and is praised by clients as an ‘excellent litigator’ with extensive experience in the District Court, ITC and PTAB. Other key practitioners in Irvine include Joseph Re, a recognised trial and appellate litigator who specializes in high-stakes tech cases in federal courts, and William Adams, a key contact for leading life sciences companies. In Washington DC, William Zimmerman specializes in pharma litigation and represents pharma giants like Lupin Ltd. and Padagis Israel Pharmaceuticals. Carol Pitzel Cruz, in Seattle, is known for her work representing generics in Hatch-Waxman cases.

Comprised of ‘highly skilled experts’, McDermott Will & Emery LLP excels in high-stakes competitor disputes for clients, with a particular emphasis on the biotech and pharma sectors. William Gaede, who splits his time between Silicon Valley and San Francisco, has extensive experience trying patent disputes related to antibodies, proteins, small molecules and diagnostics. In Orange County, Douglas Carsten is a key contact for life sciences companies given his expertise in pharma and biologics. Both Sarah Columbia from Boston and Michael Chu from Chicago are strong trial litigators with successful track records in jury and bench trials, as well as appellate proceedings. Thomas Steindler, in Washington DC, is distinguished by his expertise in complex Hatch-Waxman cases, while Shane Nichols, in Atlanta, focuses on patent litigation in the food and beverage, telecoms and petrochemical industries. Other key practitioners include Austin’s Kevin Meek and New York’s Simon Roberts, both of whom are seasoned litigators who handle biotech and high-tech patent infringement.

Praised by some clients as ‘leaders in this space’ for its consistent trial wins and favorable settlements, McKool Smith remains a sought-after patent plaintiff firm for its broad array of technology clients, which include Nokia Technologies, Netlist and Boeing. The team demonstrate particular technical expertise in patent infringement cases, recently securing multi-patent infringement wins for G+ Communications against Samsung. The practice is led by managing partner David Sochia, who focuses on high-stakes patent litigation in federal and state courts across the US and is based in Dallas. Eliza Beeny, located in New York, further bolsters the team’s capabilities with her expertise in antitrust and patent infringement cases.

Morgan, Lewis & Bockius LLP represents plaintiffs and defendants at all key litigation venues, especially the PTAB and ITC. The practice specifically excels at post-grant and appellate proceedings, with cases spanning the tech and life sciences sectors. Michael Abernathy and Krista Vink Venegas co-lead the IP life sciences disputes team out of Chicago. Abernathy is well-equipped to handle business-critical life science patent disputes, with notable experience in Hatch-Waxman cases. Venegas is well-regarded for her experience managing patent infringement and trade secret appropriation cases. Three seasoned patent litigators co-lead the firm’s IP technology disputes practice; Jason White, in Chicago, who tackles utility and design patents; John Gorman, who manages high-stakes cases through all phases of litigation including trial and post-trial appeals, splitting his time between Wilmington and Philadelphia; and  Michael Lyons, in Silicon Valley, who also focuses on high-technology patents. Brent Hawkins, operating out of San Francisco and Chicago, further strengthens the team with his expertise in patent litigation related to the tech, automotive and consumer product sectors. Sarah Guske joined the practice from Baker Botts L.L.P. in October 2024.

With expertise spanning the technology and life science fields, Venable LLP is sought after in a broad array of patent litigation matters, including Hatch-Waxman cases. The practice is also reputed for the depth of its expertise in patent disputes related to automotive technologies and medical devices. The department is co-chaired by New York’s Dominick Conde, a leading pharmaceutical patent litigator with a particular focus on ANDA matters, and Justin Pierce, who is based in Washington DC and broadly focuses on IP litigation. Other key practitioners in Washington DC include Michele Frank, who focuses on patents within the technology, consumer retail and infrastructure sectors, and Brian Klock, who specializes in contested proceedings before the USPTO.

Praised by clients for its ‘trial experience’ and ‘technical expertise’, Weil, Gotshal & Manges LLP is a go-to firm for start-ups and leading companies across the life sciences, biotech and high-tech sectors seeking representation in high-stakes patent litigation. The team demonstrates strength in both appellate proceedings and trials, having recently won a major jury trial on behalf of Altria in a competitor patent infringement suit. Anish Desai and Elizabeth Stotland Weiswasser departed in December 2024.

ArentFox Schiff is distinguished by its capabilities in managing patent infringement related to medical devices and pharma. In particular, the firm have built a strong Hatch-Waxman litigation practice, representing generics and sometimes brands. Janine Carlan, in Washington DC, is a go-to attorney for Hatch-Waxman cases and defending companies against Non-Practicing Entity claims. Carlan co-heads the team with Chicago’s Sailesh Patel, a seasoned trial attorney who typically leads complex technology patent infringement cases. Also in Chicago, Imron Aly tries patent disputes related to pharma, medical devices, DNA arrays and computer tech, and Helen Ji offers further support on all stages of patent litigation. Richard Berman is another key practitioner in Washington DC, with deep expertise of patent litigation in the chemical, pharma and biotech fields.Eshun Forghany joined from Morgan Lewis in June 2024, and is located in San Francisco.

For clients, Cravath, Swaine & Moore LLP’s practice stands out for its ‘deep bench of highly skilled lawyers’ and its depth of knowledge at the intersection of tech and intellectual property. Practice strengths include appellate proceedings related to biotech and medical device patents or trade secrets, with particular success at the PTAB. The New York-based team is co-led by Keith Hummel, who excels in business-critical patent disputes in the biotech industry, and David Kappos, who leverages his broad expertise in IP management and strategy. The team’s capabilities are further enhanced by Sharonmoyee Goswami has further enhanced the team’s capabilities, with clients praising her as ‘instrumental’ to high-stakes patent litigation cases; Goswami’s active caseload encompasses high-tech and biotech patents.

Dickinson Wright PLLC routinely handles patent infringement cases in state and federal courts nationwide, as well as before the Patent Trial and Appeal Board and International Trade Commission. The team is particularly well-versed in business-critical tech patents across the electronics, manufacturing, retail, and telecoms sectors. John Artz, located in Ann Arbor, is a prominent attorney in the department, having acted as lead counsel for various technology companies in federal courts and the patent office. Artz co-heads the team with Ann Arbor-based Philip Rettig and Denver-based Frank Long. Other stand-out practitioners include Jonathan Baker, from Silicon Valley, a highly experienced patent litigator with knowledge of a diverse range of technologies, such as computer hardware and software, and semiconductors; Jonathan Redway, based out of Washington DC, who has first-chaired numerous IP trials before federal and state courts; and William Honaker, based out of Troy, who brings further expertise in patents and trade secrets dispute resolution.

Clients praise Duane Morris LLP‘ patent litigation practice comprised of ‘sophisticated and competent’ attorneys. Working before the PTAB and the Federal Circuit, the team’s varied caseload spans the pharmaceutical, biotechnology and high technology sectors. The patent litigation division is chaired by Boston’s Anthony Fitzpatrick who specializes in biologics, medical devices and diagnostics, and Thomas Sankey, a seasoned trial lawyer who splits his time between Houston and Austin. The team further benefits from the expertise of the firm’s IP practice chairs: Atlanta’s Woody Jameson, who brings deep expertise in complex high-tech patents; Matthew Gaudet, also based in Atlanta, who handles all stages of patent litigation and has represented major technology companies like Cisco Systems and Verizon; and Christiane Schuman Campbell, who is based in Philadelphia. As the firm’s head of PTAB and IPR division, In Washington DC, Patrick McPherson is the firm’s head of PTAB and IPR division, with experience representing US and foreign clients on their patent rights. Alice Snedeker in Atlanta offers further expertise in fiber optics and wireless tech.

Fenwick & West LLP utilizes its technical and scientific expertise to advise clients throughout all stages of complex patent disputes. As well as securing a patent infringement victory for Lashify in a Texas federal jury trial, the team has recently developed a niche focus in generative AI patent cases. In New York, Robert Counihan represents pharma and biotech companies and is skilled in managing Hatch-Waxman cases. Counihan co-chairs the practice with Saina Shamilov who is based in Silicon Valley; Shamilov is a seasoned high-technology patent litigator who boasts a strong track record in trial and appellate proceedings. Also based in Silicon Valley is David Hadden, who handles complex and high-stakes patent disputes related to a variety of tech. In Seattle, Melanie Mayer is sought after for her life sciences patent expertise. Another key contact is New York’s Jeffrey Oelke, who also focuses on pharma and biotech patent disputes.

King & Spalding is well-equipped to handle all stages of patent infringement cases, including trials, and operates in all major US litigation venues. The team’s recent caseload has spanned competitor disputes and defence against non-practicing entities. Stephen Baskin, in Washington DC, heads the practice and is a first-chair trial lawyer for technology-related patent and trade secret litigation. In April 2025, Chris Campbell and Britton Davis moved over to Cahill Gordon & Reindel LLP. Veronica Moyé joined from Gibson, Dunn & Crutcher LLP in February 2024, and Neel Chatterjee joined the team from Goodwin in July 2025.

Mayer Brown’s team represents a broad range of clients across the tech and life sciences fields, with particular expertise on the biotech front, including Hatch-Waxman and biosimilar cases. The practice is well-versed in handling patent infringement, patent affirmative recovery campaigns and trade secrets cases. Lisa Ferri, in New York, heads the team and frequently serves as lead counsel for high-profile companies in the pharmaceutical, biotechnology and medical device industries. In Washington DC, Jamie Beaber  focuses on patent infringement before the International Trade Commission (ITC), and Kfir Levy is a leading attorney for patents in various technology areas. Brian Nolan, from New York, is a go-to choice for patent litigation with an unfair competition or antirust element. Clayton McCraw, also based in New York, is an experienced litigator before the PTAB and the ITC and focuses on patent and trade secret theft litigation.

Litigation boutique firm MoloLamken LLP  has developed a strong appellate practice to handle patents in the technology and life sciences industries. Speaking to the team’s broad expertise, the practice regularly manages Hatch-Waxman cases and recently secured a victory for DivX against Netflix at the PTAB. In Washington DC, Jeffrey A. Lamken and Michael Pattillo are nationally recognised appellate practitioners who are sought after for their expertise in high-stakes appellate proceedings in federal and state courts. Lamken and Pattillo co-chair the practice with Ben Quarmby, who is based in New York and focuses on trial and appellate patent litigation related to computer technology and data privacy. Other names to note in Washington DC include Lucas Walker, a specialist appellate litigator before federal and district courts, and Rayiner Hashem, an IP litigator recommended for his expertise in cellular communications, software and semiconductors. In New York, Sara Margolis is a skilled patent litigator who is typically engaged by biotech companies.

Norton Rose Fulbright has a trial-ready team that manages a broad array of patent litigation cases across district courts and the PTAB. They have expertise in the technology, life sciences, energy and consumer market sectors. The team is led by Daniel Leventhal, who splits his time between Houston and Austin, and Tim Kenny in Minneapolis. Leventhal is a high-tech patent litigator and represents an impressive roster of clients: Qualcomm, AT&T and Palo Alto Communications. Richard Zembek, the firm’s global head of technology who also divides his time between Houston and Austin, frequently serves as lead counsel on high-stakes technology patent disputes in Texas. The Dallas office features Brett Govett, a seasoned trial lawyer who focuses on cases in the Eastern District of Texas, and Art Licygiewicz, a reputed expert on LED lighting patents. In Austin, Talbot Hansum is well-versed in electric and biotech patents. Meanwhile, Mike Solomita in New York is well-regarded for successfully challenging and defending tech patents in various US District Courts and the USPTO. Johanna Schmitt joined the team from Kirkland & Ellis LLP in February 2024.

With its broad range of litigation and technical expertise, the team at O'Melveny handles a broad array of patent litigation, excelling particularly in Hatch-Waxman cases. The practice is led by Ryan Yagura, a highly skilled tech patent litigator who represents major companies such as Samsung, Hyundai-Kia and Disney. In San Francisco, key attorneys include Luann Simmons, who is well-regarded for her effective representation of Google in patent disputes, and Darin Synder, who has considerable experience in high-stakes patent and trade secrets litigation for technology giants. In Newport Beach, Brett Williamson is geared to support patent litigation related to computer software and hardware, telecoms, pharma, and medical devices. Additionally, Tim Durst in Dallas is a go-to choice for major patent disputes in the federal districts in Texas.

Paul, Weiss, Rifkind, Wharton & Garrison LLP handles the full spectrum of tech and life sciences patent disputes, spanning jury and bench trials as well as appeals at the Federal Circuit. The department is further distinguished by its ‘top-notch’ antitrust and trade secret offering. In New York, the team is co-chaired by Brad Karp, Jessica Carey and Catherine Nyarady. Nyarady is a prominent patent litigator with expertise in medical devices, semiconductors and pharma. In Washington DC, Kannon Shanmugam, a leading appellate litigator, chairs the team. Elizabeth Stotland Weiswasser frequently takes on the role of lead counsel in high-stakes pharma and biotech patent disputes, while Katherine Forrest handles patent and antitrust litigation related to AI, cryptocurrency and blockchain. Crystal Parker brings valuable expertise in Hatch-Waxman litigation, biologics and medical devices. Additionally, Kripa Raman further strengthens the team’s capabilities with his experience in patent and trade secret litigation. Karen Dunn, Bill Isaacson, and Jeannie S. Rhee have departed the firm.

Chicago-based boutique firm Rakoczy Molino Mazzochi Siwik LLP is highly regarded for its strong litigation capabilities in the biopharma sector. The team represents a broad array of pharma and biopharma generic drugs in high-stakes patent litigation against brand-name drug owners in Hatch-Waxman cases. The practice is co-chaired by managing partners Paul Molino and William Rakoczy. Molino boasts a strong track record at the Court of Appeals for biosimilars and biologics, while Rakoczy is recognized as ‘one of the best trial attorneys’ in Hatch-Waxman and BPCIA litigation. Other key practitioners specializing in Hatch-Waxman proceedings include Deanne Mazzochi, Kevin Warner and Rachel Pernic Waldron. Lara FitzSimmons combines her expertise in Hatch-Waxman proceedings with her background in life sciences transactions. Eric Hunt has further strengthened the team with his expertise in biosimilars, particularly for start-up companies.

Advising its global client base, the team at Reed Smith LLP is highly skilled at handling patent infringement and trade secret misappropriation, achieving notable success in both jury and appellate proceedings. The practice operates in all major litigation venues and is led by Peter Chassman in Houston. Chassman leads on high-tech patent and trade secrets litigation, with particular expertise in semiconductors, software and electronics. Also based in Houston is Robert Riddle, an experienced IP litigator who is highly regarded by clients in the chemistry and life sciences sectors. Key attorneys in San Francisco include Jonah Mitchell and Christine Morgan. Mitchell advises globally recognised clients in technology, medical and industrial patent litigation cases, and Morgan is sought after for her successful outcomes in both trials and settlements involving tech patents.

Ropes & Gray LLP advises major tech and commercial enterprises in a wide range of high-stakes patent litigation cases at both the trial and appeal stages. The practice has experience in all major patent litigation forums. Steven Pepe in New York heads the team and has developed a strong focus on multijurisdictional and complex infringement cases. In Silicon Valley, Jim Batchelder acts for leading tech companies in district courts the PTAB and the ITC. James Davis is another stand-out practitioner in Silicon Valley, specializing in electric and computer-related patents. David Chun, who splits his time between Silicon Valley and Seoul, has an active patent litigation practice with expertise in various technologies, such as semiconductors, wireless technology, software interfaces and medical devices. Meanwhile, Kevin Post in New York works with life sciences and high-tech companies on standard-essential patents or RAND licensing issues.

Sidley Austin LLP‘s team is distinguished for its ‘good coverage of patent litigation in key courts’. With work spanning the life sciences and technology sectors, the team handles competitor patent and trade secret disputes and excels in upholding its wins during appellate proceedings. Five seasoned IP litigators co-chair the department. In Dallas, Aimee Fagan is sought after by clients in the energy, technology and medical industries, among others. Ching-Lee Fukuda, located in New York, has a strong track record in jury and bench trials, and on appeal. In Chicago, Stephanie Koh’s broad expertise spans a variety of technology and pharmaceuticals. Jeffrey Kushan is a key practitioner for PTAB proceedings and is based in Washington DC. Meanwhile, Irene Yang in San Francisco offers expertise in telecommunications, semiconductors, medical devices and consumer devices.

Willkie Farr & Gallagher LLP specializes in patent infringement cases between competitors in the technology and biotechnology fields, typically litigating in district courts and before the PTAB. The team also demonstrates expertise in defending its clients against non-practising entities. The department is led by Chicago-based Sara Tonnies Horton, a first-chair technology patent litigator, and Krista Schwartz, who is located in San Francisco and is well-regarded for her trial and settlement success for technology patent disputes. The ‘strategically impressive’ Craig Martin, also based in Chicago, is highly experienced in IPR and appellate proceedings. In Washington DC, Aliza Carrano is lauded as ‘an excellent source of knowledge’ in PTO and trial proceedings for various technologies, including electronics, software and medical devices.

Akin’s patent litigation team are engaged in all major venues and demonstrates strength in the pharma and biotech industries. Its varied caseload includes Hatch-Waxman cases, IPR proceedings, and competitor disputes. Steven Maslowski, a life sciences patent specialist in Philadelphia, chairs the practice; Malowski’s notable roster of clients includes Johnson & Johnson and Boston Scientific. Also in Philadelphia, Matthew Pearson is a skilled litigator for life sciences patents, with a particular focus on biologics and antibody tech. Key attorneys in Washington DC include Cono Carrano, whose expertise spans semiconductors, computer and optics tech, and Rachel Elsby, who excels in business-critical life sciences cases. Meanwhile, Daniel Moffett, based in San Antonio, and Michael Kahn, based in New York, are experienced trial lawyers for patent infringement and misappropriated trade secret cases.

A&O Shearman demonstrates capabilities in both life sciences and tech patents and has a strong track record in all major litigation venues. The team is particularly strong on Hatch-Waxman on both the brand and generic side. The team is led by New York’s Elizabeth Holland, a first-chair trial lawyer sought after by pharma, biotech and medical device companies. In Boston, John Bennett specializes in Hatch-Waxman and BPCIA cases. William James, in Washington DC, is another key Hatch-Waxman specialist who also focuses on IPR and appellate proceedings.

Under Mark Tidman‘s leadership in Washington DC, BakerHostetler’s team handles all stages of patent litigation for clients ranging from individual inventors to large tech companies. Kevin Kirsch is a key contact in Columbus for high-stakes healthcare, energy and tech patent cases. Key practitioners in Atlanta include Christopher M. Arena, a seasoned patent litigator focused on the telecoms sector, and Lisa Collins, who combines deep litigation experience with a background in patent indemnity matters. Daniel Goettle, who splits his time between Philadelphia and Wilmington, represents patent owners and petitions in federal courts and before the ITC. Meanwhile, Leif Sigmond, who divides his time between Chicago and New York, brings extensive experience in high-stakes patent litigation related to the electrical, mechanical and software fields.

Dechert LLP’s patent litigation team focuses on Hatch-Waxman and BPCIA litigation, and can take on cases in district courts, the ITC and the PTAB. The team is co-chaired by Katherine Helm in New York and Martin J Black in Pennsylvania. Helm is a first-chair counsel who is sought after by innovative pharmaceutical and biotechnology companies. Black is a seasoned trial lawyer capable of representing both plaintiffs and defendants. Nisha Patel Gupta, in Los Angeles, also comes recommended and stands out for her deep tech experience, which spans telecoms, computer architecture, semiconductors and medical devices.

Eversheds Sutherland frequently manages inter partes reviews (IPRs) at the PTAB and cases before the Court of Appeals. With a strong foreign client base, the team offers representation on both competitor disputes and patent enforcement against non-practising entities. The practice is co-chaired in Atlanta by Kevin King, who brings expertise in biomedical patents, and Peter Pappas, who handles all stages of patent litigation for companies in the energy, chemical, manufacturing and fashion sectors. Nicola Pisano leads the patent litigation team in San Diego and is a go-to attorney for IPRs at the PTAB and appeals before the federal circuit. Other key attorneys in San Diego are Scott Penner, who helps clients protect their medical device, computer software or computer hardware patents, and Regis Worley, who specializes in high-tech patents. Ann Fort in Atlanta is well-regarded and frequently tried cases in both federal and state courts.

K&L Gates remains active in district courts and the PTAB, with its varied caseload spanning IPRs, pre-litigation proceedings and appellate proceedings. Notably, the team have been advising RealTek semiconductors in the largest, ongoing patent battle in the semiconductor industry. The team is led by Theodore Angelis in Seattle, a skilled litigator specializing in district court cases for technology companies. Angelis also maintains an active practice in appellate litigation.The practice has a strong presence in Chicago, which spans Jason Engel, who leads on post-grant patent proceedings in the technology sector; Jeffrey Gargano, a seasoned trial lawyer who brings expertise in pharma patents; and Devon Beane, who has a strong track record in achieving favorable rulings on summary judgement and pre-trial motions. In Boston, Chris Centurelli concentrates on complex patent disputes related to electronic devices, robotics and medical diagnostics. Patrick McElhinny, based in Pittsburgh, brings further expertise in complex patent litigation involving various technologies.

The Silicon Valley-based team at Kasowitz LLP handles patent litigation on both the plaintiff and the defence side and is particularly strong in the Western District of Texas. Under the leadership of Jonathan Waldrop, the team demonstrates expertise across various technologies, including automotives and security systems. Waldrop is a seasoned patent litigator who frequently represents leading technology companies such as Google, Samsung, Nokia, and LG. Darcy Jones leverages extensive experience in high-stakes patent infringement related to telecoms, computer technology and medical devices. Marcus Barber is another key name to note, specialising in software and telecoms patent infringement.

Katten‘s ‘patent litigation practice specializes in Hatch-Waxman cases for leading generic drug companies. Recently, the team worked on a high-profile case representing Sun Pharmaceutical Industries in defending their generic version of Ozempic. Deepro Mukerjee, based in New York, is ‘a stand-out patent litigator’ who oversees trial and appellate proceedings. Mukerjee also has experience managing IPR proceedings before the PTAB. Mukerjee chairs the department alongside New-York-based Lance Soderstrom, a seasoned litigator with expertise in pharmaceutical compounds and medical devices, and Chicago-based Brian Sodikoff, who also focuses on Hatch-Waxman patent litigation, drawing on his background in competition law.

Located in New York, Schulte Roth & Zabel LLP’s team is ‘well versed in patent litigation’ and praised for its ability to ‘handle multiple cases with ease’. The practice specialises in representing plaintiffs in patent infringement cases against tech giants, with its core client base being private capital clients and investment funds. Timothy Gilman, who clients commend as a ‘standout attorney’, leads on business-critical litigation, advising on both the plaintiff and defendant sides. Gilman chairs the department with Christopher Gerson, who specializes in computer, telephone and semiconductor technologies, and Alexander Kim, an experienced litigator who also focuses on high-tech patents.

Sheppard, Mullin, Richter & Hampton LLP is well-versed in handling high-stakes patent disputes, with first-chair experience before federal and district courts, as well as the PTAB. The practice’s core client base lies within the media and telecoms sectors, such as TikTok, Netflix and Hulu. Co-chairing the team is Daniel Yannuzzi, based in Del Mar, and Steven Schortgen in Dallas. Schortgen has extensive experience as lead trial counsel for patent litigation. Other key practitioners in Del Mar include Martin Beldar, who is sought after by tech companies for high-stakes cases, and Stephen Korniczky, who has recently focused on standard essential patent (SEP) litigation

Susman Godfrey LLP‘s patent litigation team boast a strong track record in jury and bench trials for its tech clients, having routinely faced off against tech giants. The practice is chaired by three seasoned IP litigators: Kalpana Srinivasan, in Los Angeles, whose work spans patent and trade secret disputes; Joe Grinstein, in Houston, excels in high-stakes complex patent trials; and Max Tribble, who is also based in Houston and boasts experience litigating intricate cases on behalf of plaintiffs and defendants. Lexie White, also based in Houston, is another stand-out attorney, having recently secured a jury trial victory for her client KPN in a telecoms patent contract dispute against Samsung.