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Trademarks Opposition Board

Hearings and decisions

Resources

Other resources

Representing yourself

Online services

Contact Us

 Online

Email:
cipotmobrec-opiccomcrec@ised-isde.gc.ca

TMOB's E-services:
Select the General Correspondence tab from the main menu

Hearing Coordinator:
cipohearing-opicaudience@ised-isde.gc.ca

 Phone

Please note that the TMOB returns all phone calls within 24 hours during normal business hours, from Monday to Friday.

Canada and the United States:
1-866-997-1936 (toll-free)

International calls:
1-819-934-0544

TTY:
1-866-694-8389

 Mailing address

Important: Paper correspondence relating to an opposition or section 45 proceeding must be clearly addressed to the attention of the TMOB as follows:

Attn: Trademarks Opposition Board
Canadian Intellectual Property Office
Place du Portage I
50 Victoria Street
Gatineau, QC K1A 0C9

Fax
819-953-CIPO (2476)