Pinsent Masons

Intellectual Property Department

London (Firms)
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What the team is known for

Full-service IP practice with a powerful patent litigation offering, particularly noted for generic pharmaceutical cases. Recommended for commercial and contentious matters concerning copyright, trade marks, database rights and designs. Has the resources and know-how to handle the weightiest IP-led corporate transactions.


A source says: "I was impressed with their knowledge in the field and how best to approach this case from a business perspective."

A client says: "The work they did for me was very good and very prompt."

Work highlight

Acted for Teva on its claim for revocation of Gilead's SPC for Truvada, a dual combination product containing tenofovir disoproxil and emtricitibine for the treatment of HIV.

Notable practitioners

Charlotte Weekes is a patent litigator with an emphasis on pharmaceuticals and life sciences. A source says: "She's hugely experienced and is genuinely pleasant to work with."

Clare Tunstall is a patent litigator celebrated in particular for her work challenging patents and SPCs on behalf of generics manufacturers seeking to open up the pharmaceuticals market. A source says: "She is vastly experienced and has probably done more patent revocation actions than anyone else in London," adding: "She has a friendly personality and is great to work with, so clients tend to stay with her."

Iain Connor is a contentious IP specialist with a distinguished record in trade mark, adword and database rights disputes. A source says: "He is a very experienced litigator, someone who sees the pitfalls in cases quite quickly."