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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 also one of a select few intellectual property lawyers 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 Disputes 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

Patent Act and Trademarks Act Amended to Recognize Agent-Client Privilege
June 24, 2016 — As of this date, the Patent Act and Trademarks Act, recognize statutory privilege for certain communications between patent agents and trademark agents and their clients in a manner similar to how solicitor-client privilege applies to communications with lawyers. The will privilege will apply to communications intended to be confidential and for the purpose of seeking or giving advice to the protection of an invention or to the protection of a trademark or similar rights.

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.

Recent Work

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

Consultations relating to alleged trademark, copyright and design infringement


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