Charles (Chuck) Larsen is an intellectual property partner based in White & Case’s Boston office, with a dual practice in London. He concentrates his practice on providing strategic patent advocacy and is licensed to practice before the US Patent and Trademark Office, the European Patent Office (EPO), US district courts, and the UK High Court.

Larsen’s patent practice includes advising on multijurisdictional disputes, conducting patent validity, infringement and freedom-to-operate studies, and IP due diligence for patents held in the US and Europe. He advises clients in inter partes review, European oppositions, litigation strategies and other post-grant proceedings.

He has served as counsel of record in nine Patent Trial and Appeal Board proceedings and reexaminations and in numerous EPO oppositions.