Denis V. Keseris

About Denis V.

Denis Keseris is a partner at Bereskin & Parr LLP, and a member of the Electrical & Computer Technology practice group. His practice covers all aspects of patents, particularly strategic patent procurement in the fields of artificial intelligence, fintech, medical devices, software and telecommunications.

Denis has over 15 years of IP experience in Europe and North America. Prior to relocating to Canada in 2017, Denis was a partner at one of the U.K.’s leading intellectual property firms. His practice focused on helping clients develop and manage commercially useful patent portfolios in the fields of optical communication technology, artificial intelligence and cleantech, as well as advising clients on contentious matters and the commercialization of medical devices and computer-implemented inventions. Denis also practiced at two other prominent IP law firms in the U.K. and France, as well as in-house counsel at a well-known technology company, where he was responsible for growing the European optical technologies patent portfolio. Before entering private practice, Denis was a member of the examination branches of both the Canadian Intellectual Property Office and the U.K. Intellectual Property Office.

When not working, Denis enjoys spending time outdoors with his young family. “Progress is impossible without change, and those who cannot change their minds cannot change anything” – George Bernard Shaw