You may need an intellectual property lawyer if someone uses your work without permission, if you want to licence your idea, or if you need to register a trademark or patent with the Canadian Intellectual Property Office.
This page lists intellectual property lawyers in Calgary, AB available through Lawzen. Listings are compiled from public sources and from information supplied by lawyers who have claimed their profile, so always confirm current details directly with the office you contact.
Before retaining anyone, confirm the lawyer is licensed and in good standing with the law society of the province or territory where your matter will be handled, ask how fees are calculated, and ask who will actually work on your file.