Cassan Maclean
5 lawyers · City of Ottawa
One of 439 law firms listed in Ottawa, and one of 40 handling Intellectual Property.
Cassan Maclean is an Ottawa-based intellectual property firm operating through two affiliated practices: Cassan Maclean IP Agency Inc., which handles patent and trademark filing and prosecution, and Cassan Maclean, which provides IP legal and litigation services. The firm was founded by Lynn Cassan and Scott Maclean, who together bring more than 60 years of experience in patent prosecution in electronics, communications, and biotechnology. It practices in all areas of intellectual property law, including patents, trademarks, copyright, industrial designs, and domain name disputes.
Practice areas
Good to know
Wheelchair accessibleLawyers 5
Who handles what
Where to find them
190 O'Connor Street, Suite 710, Ottawa, ON K2P 2R3 · 613-238-6404
Similar firms in City of Ottawa
Simmonds Law is a litigation-focused law firm with offices in Ottawa and Toronto. It handles civil litigation, estate litigation, wills and estates, corporate law, tax litigation, trademark and intellectual property, …
Civil Litigation & Dispute Resolution
Wills, Estates & Trusts
Business & Corporate Law
Tax Law
DÉCODE (formerly Benoît & Côté) is an independent, multidisciplinary Montréal intellectual property boutique made up of lawyers, patent agents and trademark agents. Founded in 2009, the firm advises on patents, tradem…
Intellectual PropertyMaclaren Corlett LLP is a business law firm with offices in Ottawa and Toronto, tracing its roots to 1873. It practises business and commercial law, employment law, real estate, wills and estates, and intellectual pro…
Business & Corporate Law
Employment & Labour Law
Real Estate LawWills, Estates & TrustsListing compiled from the firm’s public website in July 2026. Verify licence status in the Law Society of Ontario directory ↗