Patrick is one of Canada’s top IP litigators, serving as counsel in more than 100 reported decisions over the course of his 25+ year career. He has extensive experience supporting clients in the oil & gas, agricultural, biotech, chemical, and pharmaceutical industries, including prominent clients such as Pfizer, Eli Lilly, Janssen, Secure Energy, NCS Multistage, Dow AgroSciences, Purdue Pharmaceuticals, and Baker Petrolite. The Supreme Court of Canada adopted his submissions in Teva v. Pfizer (2012) as the framework by which courts now judge “utility” in patent cases. He successfully acted for TA Foods in summarily dismissing an entire patent infringement action on the basis of Canada’s newly enacted file wrapper estoppel provision. Patrick is a Registered Patent Agent who advises and represents clients in matters concerning patents, trademarks and regulation. He is a former adjunct professor of law at the University of Ottawa and served as President of the Intellectual Property Institute of Canada (IPIC) for 2018–19. Currently, Patrick is the chair of IPIC’s Intervention Committee. He is a frequent writer and speaker on IP related topics. Prior to his legal education, Patrick obtained his professional engineering designation after graduating from the University of Waterloo.