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Jennifer Antcliff

Carpmaels & Ransford

2026_IP Stars Notable Practitioner.png
Position: Partner
Rating:
  • Notable practitioner
Practice Areas:
Life sciences IP
Patent disputes
Intellectual property disputes
Jurisdictions:
Industry Sectors:
Biotechnology
Life sciences
Pharmaceutical
Healthcare
Biography

Jenny is a partner in the firm’s Litigation team, ranked as a Next Generation Partner by Legal 500 (2024, 2023 and 2022) and an Up and Coming Partner by Chambers & Partners (2023). Jenny was awarded Biotech Litigator of the Year at the LMG Life Sciences Awards (EMEA) in 2024, and SPC Litigator of the Year at the LMG Life Sciences Awards (EMEA) in 2023 and 2022. Based on her biotechnology and biochemistry background, Jenny’s practice focusses on patent and SPC litigation concerning first-in-class therapeutic antibodies and blockbuster small molecule drugs. According to Legal 500 (2023), Jenny is “one of the best patent litigators in London”.

Jenny has litigated before the UK Patents Court, the Court of Appeal and the Supreme Court, most notably the Eli Lilly v Human Genome Sciences cases, and the Warner-Lambert v Actavis (“pregabalin”) litigation. Jenny has since represented FibroGen against Akebia in a further significant and successful appeal to test the boundaries of UK law on sufficiency (Impact Case of the Year, MIP 2022).

As a “highly skilled patent litigator with an extensive knowledge of the pharmaceutical industry” (Chambers & Partners, 2022) Jenny increasingly assists her clients in this sector with cross-border patent and SPC litigation matters, working closely with the business and external advisers to align launch or enforcement strategies across Europe.