List of Trademark Agents & Register of Patent Agents

Publication Date: 2011-01-21

Note: This practice notice is intended to provide guidance on current Patent and Trademarks Office practice and interpretation of relevant legislation. However, in the event of any inconsistency between this notice and the applicable legislation, the legislation must be followed.


Section 15 of the Patent Act provides that a register of patent agents shall be kept in the Patent Office on which shall be entered the names of all persons and firms entitled to represent applicants in the presentation and prosecution of applications for patents or in other business before the Patent Office. Section 2 of the Patent Rules stipulates that the expression "patent agent" means any person or firm whose name is entered on the register of patent agents pursuant to section 15. Paragraph 15(c) of the Patent Rules provides that the Commissioner shall enter on the register of patent agents, on payment of the fee set out in item 33 of Schedule II, the name of any firm, if the name of at least one member of the firm is entered on the register.

Subsection 28(2) of the Trademarks Act provides that the list of trademark agents shall include the names of all persons and firms entitled to represent applicants in the presentation and prosecution of applications for the registration of a trademark or in other business before the Trademarks Office. Paragraph 21(d) of the Trademark Regulations stipulates that the Registrar shall, on written request and payment of the fee set out in item 19 of the schedule, enter on a list of trademark agents the name of any firm having the name of at least one of its members entered on the list as a trademark agent.

The Patent Office and the Trademarks Office are hereinafter jointly referred to as "the Offices". Both the patent and trademark legislation provide that firms may act as agents before the Offices, as long as one of their members is entered on the register or list of agents. The Offices consider that any firm may be entered on the list of trademark agents and registered as a patent agent and entitled to act as agents before the Offices regardless of the firm's underlying corporate or business structure.

Therefore, the Offices will enter upon request, on the register or list of agents any firm, including partnerships, limited partnerships and professional corporations that otherwise meets the requirements set out in the patent and trademark legislation.

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