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Oxon IP is a boutique that focuses exclusively on post-grant patent oppositions and appeals, acting for clients in the pharmaceutical, household goods and chemicals industries before the EPO. Founder Leythem Wall, who is admitted in the UK in addition to before the EPO, advises a variety of US-based clients before the EPO, and is also qualified to plead cases at the UPC.

Legal 500 Editorial commentary

Key clients

  • Lonza
  • SWM International
Abbreviated data is displayed for this firm.

Work highlights

  • Opposed European patents belonging to Proctor & Gamble covering their commercial nappy products on behalf of Ontex.
  • Defended the European patent covering a commercial silica catalyst product in EPO opposition and appeal proceedings brought by SABIC.
Abbreviated data is displayed for this firm.