Take Your First Step

Build Value in Your Business with Our Intellectual Property Solutions

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 firm was founded by Christopher Heer, who is a Canadian intellectual property lawyer, and 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 any and 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

IP STARS (Managing IP)
May 18, 2023Christopher Heer has been recognized as a Patent Star and Georgina Danzig has been recognized as a Trademark Star in the 2023 IP Stars rankings.

World Trademark Review 2023
February 16, 2023 Georgina Danzig is ranked in the Gold tier for Anti-Counterfeiting and Christopher Heer is ranked in the Bronze tier for Enforcement in Canada WTR 1000 2023 leading trademark professionals.

Law Firm 500 2022
January 16, 2023 — Heer Law has been recognized as the 99th fastest-growing law firm in North America in the 2022 Law Firm 500 awards.

The Legal 500 Canada 2023
November 9, 2022 — Heer Law has been recognized as an Elite Boutique in Intellectual Property in the 2023 edition of The Legal 500 Canada.

Recent Work

Representing a defendant agricultural show in trademark litigation

Representing a defendant in the mining door industry in patent litigation

Preparing, filing and prosecuting United States, Canadian and PCT patent applications relating to quantum computing, neural networks, computer vision, secure financial transactions, alert systems, fluid technologies, blockchain-related technology, computer networking equipment, children’s products, pet care products, winter outdoor accessories, safety products, educational games, vertical garden technology 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