Aird & Berlis | Aird & McBurney Partners Recognized as 2025 IP STARS

We are proud to share that two of our patent agents and three of our intellectual property lawyers have been recognized in the 2025 edition of IP STARS, Managing Intellectual Property’s guide to the world's leading IP firms and practitioners. Lola Bartoszewicz and Kitt Sinden are recognized as Patent Stars, Ken Clark and Timothy Lowman as Trademark Stars, and Ryan Evans as a Notable Practitioner. 

Lola Bartoszewicz is a registered Patent Agent in Canada and the United States, with a PhD in clinical biochemistry. Lola’s practice focuses on patent drafting and prosecution, strategic portfolio management, patentability and freedom-to-operate opinions and due diligence reviews. She specializes in the fields of biotechnology and life sciences, chemical sciences, cleantech, materials sciences, medical devices, nanotechnology and pharmaceuticals.

Ken Clark is a Certified Specialist in Intellectual Property Law (Patent, Trademark and Copyright) and a registered Canadian Trademark Agent. Ken’s practice focuses primarily on intellectual property law enforcement, with a particular interest in mass copyright enforcement. He has a background in engineering and broad experience as a barrister and solicitor in IP, technology and energy law matters.

Ryan Evans is a registered Canadian Trademark Agent. Ryan handles enforcement and infringement cases and has extensive experience in patent, trademark and design, copyright and trade secret matters. He has a background in chemical and bio-chemical engineering and represents a diverse range of clients, including companies in the petrochemical, consumer goods, manufacturing and agricultural science industries.

Timothy Lowman is co-head of the firm’s Intellectual Property Group. He is a Certified Specialist in Civil Litigation by the Law Society of Ontario as well as a registered Canadian Trademark Agent, Certified Arbitrator and Certified Licensing Professional. Tim has more than 40 years of experience as counsel in a broad range of intellectual property litigation matters, including patent, trademark, copyright, professional errors and omissions, trade secrets, invention ownership, product liability and employment law claims.

Kitt Sinden is a registered Patent Agent in Canada and the United States. Kitt specializes in the areas of pharmaceuticals, biotechnology, chemistry, medical devices, agriculture, food science and engineering, oil & gas and mechanics. He has extensive experience in representing clients before the Canadian Patent Appeal Board, the Canadian Patent Reissue Board and the Patented Medicines Prices Review Board. Kitt also has extensive experience in advising and assisting counsel in pharmaceutical patent litigation.

Aird & Berlis is also proud to be recognized as a firm in the areas of Patent Prosecution, Patent Disputes, Copyright & Related Rights, Trademark Prosecution and Trademark Disputes.

Aird & Berlis LLP and Aird & McBurney LP provide integrated intellectual property services to clients ranging from startups to multinational corporations. Learn more about our Intellectual Property Group here.