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Innovative IP Solutions for Your Business

Heer Law is an award-winning Toronto intellectual property law firm providing a full range of 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 get and stay out of litigation.

The firm is led by Christopher Heer, who is a Canadian intellectual property lawyer, a registered patent agent in Canada and the United States, and a registered trademark agent in Canada and the United States. He is best known as a patent lawyer and an intellectual property litigation lawyer and has over a decade of experience in patent and other areas of IP law including ten years on Bay Street at a prominent full-service law firm and a top IP boutique law firm. He is noted for excellence in advising on intellectual property matters relating to information technology and is also one of a select few intellectual property lawyers designated by the Law Society of Upper Canada as a certified specialist in patent law, a designation given only to patent lawyers who are recognized and experienced in their field and who have met high standards.


We represent clients in all types of intellectual property disputes. Contact us as soon as possible should an intellectual property dispute arise to explore the possibilities for an early resolution. More about our IP Litigation services »


We assess the patentability of new innovations, prepare and file patent applications in Canada and the United States, 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 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 licenses of intellectual property rights, as well as joint ownership and non-disclosure agreements. More about our IP Agreement services »

Legal Updates

Acquisition International 2016 Intellectual Property Awards
May 20, 2016 — Christopher Heer has been named Best Patent Attorney - North America in Acquisition International's 2016 Intellectual Property Awards.

Federal Court of Appeal Rules on Trademarks Having a Geographic Component
December 18, 2015 — The Federal Court of Appeal in Lum v Dr. Coby Cragg, 2015 FCA 293 held that a trademark referring to the actual origin of goods or services is clearly descriptive of the goods or services’ place of origin irrespective of whether consumers, as a first impression, recognize the trademark as a place of origin for the particular goods or services.

Federal Court of Appeal's Remarks Leave Door Open on Metatags Infringing Trademark and Copyright Rights
December 18, 2015 — While upholding the trial judge's decision on the particular facts, the Federal Court of Appeal remarks in Red Label Vacations v 411 Travel Buys Limited, 2015 FCA 290 that use of third party trademarks as metatags may constitute trademark infringement and copying of third party metatags may constitute copyright infringement in some situations.

Recent Work

Commencing a copyright infringement action relating to computer software code used without consent

Concluding a settlement of copyright and trademark litigation between two online retailers of fashion jewellery

Defending a claim of passing off brought against a retail store in Toronto by a competitor relating to the use of a trade name

Preparing and filing patent applications relating to computer networking equipment, interlocking flooring, orthopedic supports and muscle rehabilitation technologies

Preparing and filing trademark applications for exam preparation, real estate, beauty products, gift giving, clothing and information security businesses

Preparing and filing copyright applications for sets of exam preparation questions

Assisting with the purchase and assignment of a United States patent


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