Trademarks Opposition Board
Learn about the role and activities of the Trademarks Opposition Board and obtain more information about the opposition proceedings and the section 45 proceedings.
The Trademarks Opposition Board (TMOB) acts on behalf of the Registrar with respect to two types of proceedings: opposition proceedings and section 45 proceedings.
The TMOB comprises of a chairperson, members, hearing officers, a manager and clerks. The chair, members and hearing officers each has delegated authority from the Registrar to conduct hearings and render decisions pursuant to the Trade-marks Act and Trade-marks Regulations.
The responsibilities of the TMOB with respect to opposition and section 45 proceedings include:
- assessing the initial request;
- corresponding with both parties;
- ruling on various interlocutory matters (oppositions proceedings only);
- scheduling and conducting oral hearings; and
- rendering decisions.
Opposition
Section 45
Decisions and upcoming hearings
E-Services
Database Search
Contact Us
For general enquiries, call our Client Service Centre at 1-866-997-1936 (toll-free) or 819-934-0544 (international).
Important: When writing to TMOB, you must indicate:
- Attention: Oppositions or
- Attention: Section 45
Facsimile: 819-953-CIPO (2476)
Mail:
Trademarks Opposition Board
Canadian Intellectual Property Office
Innovation, Science and Economic Development Canada
Place du Portage, Phase 1
50 Victoria Street
Gatineau, QC K1A 0C9
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