LegalBase’s intellectual property team advises international and domestic clients across all aspects of IP management, enforcement, and protection. The group is led by Ali Tyebkhan, who oversees a practice spanning trademark registration, anti-counterfeiting measures, and digital rights enforcement. Tyebkhan focuses on multi-jurisdictional IP portfolios and the use of AI-based monitoring systems for online infringement, while Sudath Perera's practice covers contentious matters and brand protection strategy. Legal directors Natasha Burhan and Sashika Anandappa support the coordination of cross-border mandates and oversee client portfolios in sectors including fashion, technology, and consumer goods.

Sudath Perera Associates advises domestic and multinational clients on all aspects of intellectual property protection and enforcement. The practice is jointly led by Sudath Perera and Himani Perera , who oversee trademark, patent and design prosecution, copyright disputes, and brand protection mandates; the former also regularly advises on complex infringement and unfair competition matters, while the latter focuses on IP strategy and portfolio management. The team is particularly active in anti-counterfeiting, seizure raids, and customs enforcement actions. The group also includes Chathurika Rupasinghe Soyza, who leads the trademark practice, and Rajni Weeraarachchi, who specialises in patent filings and related international prosecutions.

D. L. & F. De Saram’s intellectual property practice is jointly led by Prabash De Saram and Hasanthie Manukulasooriya, who oversee a team with broad experience across trademark, patent, and design matters. De Saram brings extensive experience in corporate and commercial law to the group’s advisory and transactional work, while Manukulasooriya focuses on registration, portfolio management, and dispute resolution. The team includes associates such as Manavi Seneviratne and Poornima Kathriarachchi, who assist with filings, oppositions, and enforcement proceedings before the National Intellectual Property Office.

F. J. & G. De Saram’s intellectual property disputes team is led by Shehara Varia and Avindra Rodrigo, who combine commercial acumen with significant experience in contentious IP and cross-border commercial litigation. Varia brings a strategic understanding of how IP issues intersect with wider corporate activity, while Rodrigo is recognised for his advocacy in complex commercial and IP disputes. The group handles infringement, confidentiality, and contractual cases for international clients, including those in the technology, education, and hospitality sectors. Drushika Amirthanayagam plays a key role in handling IP proceedings before the Director-General of Intellectual Property in Sri Lanka, as well as appearing before local courts.

Nithya Partners' intellectual property department, led by Chamindi Ekanayake and Chanaka De Silva PC, advises on the full spectrum of contentious and non-contentious IP work, including trademark prosecution, patent drafting, and enforcement proceedings. The team is noted for its experience in assisting with capacity-building projects and advising on geographical indications. Ekanayake is a recognised practitioner in patent drafting and IP education, often engaged by the World Intellectual Property Organization as a local expert. The group’s client base includes both domestic companies and major multinationals, with Nirusha Ratnatunga  overseeing several key corporate portfolios.

Tiruchelvam Associates’ intellectual property division, led by Ramani Muttettuwegama and Michael Paiva, advises on a broad range of trademark, copyright and patent matters, with a growing focus on cross-border filings and oppositions before the National Intellectual Property Office. The team has also developed experience in IP due diligence and regulatory advice, particularly where intellectual property intersects with data protection and technology regulation. Ashvini Prabakaran plays a key role in managing contentious proceedings, while Yanik Müller and Rasheedha Ramjani support the team’s portfolio management and client liaison work.

Varners’ intellectual property practice, led by Mahinda Haradasa and Surani Wickramaratna, advises domestic and international clients across the full IP spectrum. The team is active in both prosecution and enforcement, representing global brands such as Merck Sharp & Dohme and Crocodile International before the National Intellectual Property Office and the courts. Haradasa brings strong commercial and regulatory insight to the group, while Wickramaratna handles complex trademark and patent disputes. Achala Jayawardena and Trehani Wickramaratne provide further depth across design, franchising, and licensing matters.