If you have specific questions about your application, please use the contact numbers listed below based on the stage of your application.
Always mention your application number for quick service.
If your application is refused, you have the right to appeal to the Federal Court of Canada. Within two months of the advertisement, others can oppose your application.
If that happens, we will wait until the matter has been settled before we continue working with your application.
In order to receive a filing date, you must send (addressed to the Commissioner of Patents at the Canadian Intellectual Property Office) the following: A description of an invention is not a statement of what the idea of the invention is.