J A Kemp

J A Kemp is one of the largest European patent and trade mark attorney firms, with offices in London, Paris, Oxford, Cambridge, and Munich. The firm provides a pragmatic and strategic approach across all practice areas, covering drafting, prosecution, opposition and litigation, non-contentious transactions and agreements, validity and freedom-to-operate assessments, and global portfolio management. All services are delivered in-house with professionalism and attention to detail, with attorneys experienced in offering creative solutions to complex intellectual property issues.

The firm represents a diverse client base, including startups, spinouts, growing businesses, large multinational corporations, and leading academic institutions. It is also routinely instructed by attorney firms in the USA, Japan, China, and the Republic of Korea to secure intellectual property protection in Europe and beyond.

The patents team comprises over 80 science and technology graduates, including more than 45 PhDs, with expertise spanning biotechnology and life sciences, chemistry and pharmaceuticals, and engineering and IT. The firm is recognised for its strength in assembling cross-disciplinary teams for complex inventions across technological boundaries. Areas of particular expertise include antibodies and biologics, bioinformatics, chemistry, cleantech, diagnostics and personalised medicine, electronics, engineering, IT and software, manufacturing, materials and metallurgy, medical devices, optics, pharmaceuticals, plant science and agriculture, polymers, regenerative medicine, semiconductors, vaccines and immunology. J A Kemp has a strong reputation in patent oppositions and appeals before the European Patent Office and in handling supplementary protection certificates (SPCs) across Europe.

The dedicated trade marks team, led by senior professionals with backgrounds in major international law firms, advises on all aspects of trade mark registration and protection. The team has particular expertise in complex registrations such as shape marks and marks requiring evidence of acquired distinctiveness. Its attorneys are experienced in dispute resolution, opposition, and enforcement matters, and provide services for online brand protection including domain name monitoring, portfolio rationalisation, domain disputes, anti-phishing and impersonation actions, website and social media takedowns, and global design protection.

J A Kemp also provides support for contentious intellectual property matters before the High Court of England and Wales, the Intellectual Property Enterprise Court, the UK Intellectual Property Office, the European Patent Office, the European Union Intellectual Property Office, and related appeal courts. Its IP Litigation and Dispute Resolution Support Group combines the expertise of solicitors, patent and trade mark attorney litigators to deliver effective outcomes in disputes.

The firm is recognised as client-focused and commercially aware, with the breadth and depth of expertise to handle any intellectual property matter.

Staffing
41 partners
56 other fee-earners
218 total staff