Take Your First Step

Are You Ready to Make Your Intellectual Property Your Most Valuable Asset?

Heer Law™ is a Toronto-based intellectual property law firm dedicated to helping businesses grow and profit through intellectual property law, intellectual property litigation, patent agent and trademark agent services. We know any business can be made better by intellectual property and we work with you to figure out how.

We help businesses reach their full potential through effective acquisition, management, use and enforcement of intellectual property rights. Our services will help you protect and develop your intellectual property into formidable business and financial assets. When your intellectual property rights are infringed, we help you stop the infringer and obtain monetary compensation for the infringements. And if you are alleged to infringe, we help you defend and counter the allegations.
Our IP law firm was founded by Christopher Heer, who is a Canadian intellectual property lawyer, a registered patent agent and registered trademark agent in Canada and the United States. He is noted for excellence in advising on intellectual property matters relating to information technology and is a patent lawyer designated by the Law Society of Ontario as a certified specialist in patent law. His team of highly qualified lawyers and agents are here to help you with all of your intellectual property needs.

Investing in your intellectual property is an investment in your success. Schedule an initial telephone appointment to let us help you turn your ideas into assets!

We assess the patentability of new innovations, prepare and file patent applications, and advise on patent strategy and infringement issues. More about our Patent services »


We help you determine if trademarks are available to adopt and use and help you obtain trademark protection in Canada and abroad. More about our Trademark services »


We help you stop your competitors from infringing your intellectual property rights as well as defeat infringement claims made against you. More about our IP Litigation services »


We advise on all types of copyright issues and have the requisite technical expertise to analyze software and other digital works. More about our Copyright services »


We identify protectable designs and obtain design protection in Canada, the United States and elsewhere around the world. More about our Industrial Design services »


We draft and advise on assignments and licences of intellectual property rights, as well as joint ownership and non-disclosure agreements. More about our IP Agreement services »

Legal Updates

IAM Patent 1000 2024
June 5, 2024 - Christopher Heer has again been recommended for Patent Prosecution in the IAM Patent 1000 2024 guide.

May 31, 2024 - Georgina Danzig has been recognized as a Trade Mark Star and Christopher Heer as a Patent Star in the 2024 edition of the IP STARS Intellectual Property rankings from Managing IP.

WTR 1000 2024
February 7, 2024 - Georgina Danzig has been recognized in the Gold Band for Anti-Counterfeiting and the Silver Band for Enforcement and Litigation and Christopher Heer has been recognized in the Bronze Band for Enforcement and Litigation in the WTR 1000 2024 guide to the World's Leading Trademark Professionals.

Recent Work

Representing defendants in industrial design litigation relating to vaping systems

Representing a plaintiff in trade secret litigation relating to gift card displays

Representing a plaintiff in patent litigation relating to preparing burnt meat

Preparing, filing and prosecuting United States, Canadian and PCT patent applications relating to quantum computing, neural networks, computer vision, secure financial transactions, encryption, language processing, circuits, building-integrated solar technologies, and health care products

Preparing, filing and prosecuting Canadian trademark applications relating to goods and services in health and wellness, cannabis, building, design and construction, mobile and cloud-based software, educational products, wedding and baby, fintech, gourmet foods, clothing, oil, gas and mining