Service interruption - all e-commerce applications

Due to maintenance activities, all e-commerce applications are unavailable on Saturday from 4:55 p.m. until 6:05 p.m. and Sunday from 12:30 a.m. until 9:00 p.m. (EST).

We apologize for any inconvenience.

Service interruption - Multiple applications (June 6 to 9)

Due to scheduled maintenance, the following Canadian Intellectual Property Office (CIPO) e-commerce applications will be unavailable from Friday, June 6, 2025 , at 12 pm until Monday, June 9, 2025 , at 6 am (ET):

• Patent Cooperation Treaty e-filing
• Trademark e-services
• Trademarks Opposition Board e-services
• Industrial design e-services
• Copyright e-services
• Create an agent account for correspondence

We apologize for any inconvenience. This downtime is necessary to enhance the performance and capabilities of our online platforms, allowing us to serve you better.

For date-sensitive material, please review CIPO's correspondence procedures for alternative ways to submit your request.

If you have any questions, please contact our Client Service Centre.