About Geoffrey

Geoffrey Langen is an associate lawyer and trademark agent at Macera & Jarzyna LLP, focusing on patent and trademark litigation. With more than 15 years as a litigator, he has represented clients before the Federal Court, the Federal Court of Appeal, the Trademarks Opposition Board and the Patent Appeal Board, across industries including pharmaceuticals, finance, oil and gas, clothing and food services. He was called to the bar as a barrister and solicitor in 2006 and is a registered trademark agent, holding a B.Sc. (Hons), an M.Sc. and a J.D.

Practice areas

Intellectual Property

Listing compiled from public sources in July 2026. Confirm Geoffrey Langen’s licence and standing in the Law Society of Ontario directory ↗