Canadian Intellectual Property Office

Accepted means of filing

Online: through ePCT or as a WASP file created by the PCT-SAFE client software (however, it is then uploaded and submitted to the receiving Office through the CIPO website).

On physical media: not accepted.


Accepted digital certificates

Valid certificates issued by the WIPO Customer CA


Accepted formats

This Office accepts the filing of the application body (description, claims and abstract) in character-coded (e.g. XML) and image format (e.g. PDF). It also accepts the inclusion of application documents in any pre-conversion format according to Administrative Instruction 706.

Sequence listing should preferably be filed, as a separate part of the description, in WIPO's ST.25 text format (no additional fees).



Online payment by credit card is possible through the CIPO website.



Help desk available between 8:30 am and 4:30 pm Monday to Friday excluding official holidays; it may be contacted:

  • by telephone: 1-866-997-1936 (toll-free from anywhere in Canada and the United States); 819-934-0544 (international calls only)
  • by facsimile at (+819) 953 2476
  • through the support website.