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Innovative IP Solutions to Grow Your Business

Heer Law is an award-winning Toronto intellectual property law firm providing intellectual property law, intellectual property litigation, patent agent and trademark agent services. We help businesses grow and profit 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.

The 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 Upper Canada as a certified specialist in patent law.

We assess the patentability of new innovations, prepare and file patent applications, and counsel on patent strategies, infringement and freedom to practice.More about our Patent services »


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


We help businesses stop their competitors from infringing their intellectual property rights as well as defeat infringement claims made against them. 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

Christopher Heer Speaks at the Ontario Bar Association's Intellectual Property Litigation Program
November 22, 2016 — Christopher was a panelist on a panel entitled "Tactical Considerations in Bringing Motions Before the Federal Court" at the Ontario Bar Association's program on Intellectual Property Litigation. The panel shared techniques and tactics for successfully bringing motions before the Federal Court.

Heer Law Wins 2016 Excellence Award: Most Outstanding Patent Attorney
November 16, 2016 — Heer Law has been awarded Most Outstanding Patent Attorney in Acquisition International's 2016 Global Excellence Awards.

Recent Work

Won a two-day trial in a breach of contract case over unpaid invoices for a software developer

Commencing and defending Canadian trademark oppositions relating to restaurant services and demountable office partitions

Preparing, filing and prosecuting United States, Canadian and PCT patent applications relating to computer software, computer hardware, computer networking equipment, air filter systems, interactive mailers, digital audio processing, and health care products

Preparing, filing and prosecuting Canadian trademark applications for beauty products, children's games, digital audio processing, convertible bags, smart appliances, bicycle technician training, interior design services, gourmet food products, and dietary and nutritional supplements


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