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From 01 December 2025, the Canadian Patent Act and Rules may allow patentees to apply for an extension of the term of an issued Canadian patent beyond the statutory twenty (20) year period….

Effective 11 October 2025, Canada Post is engaged in a rotating strike across Canada. It is expected that there will be mail delivery delays. Once the corporation and the union reach an agreement, there will continue to be delays until delivery returns to normal. Please contact riches@patents-toronto.com for further details or how to request electronic

Effective 26 September 2025, there is no national postal service due to a strike by Canada Post. The mail and parcels already in the system will be held until the service resumes. Once the corporation and the union reach an agreement there will be delays until delivery returns to normal. Please contact riches@patents-toronto.com for further

EXAMINER’S REQUISITION DEADLINES

POTENTIAL FOR IMMEDIATE DUE DATES AS A RESULT OF CANADIAN PATENT OFFICE DELAYS IN PROVIDING PATENT MAINTENANCE FEE NOTICES…

DELAYS IN RECEIVING PATENT OFFICE MAINTENANCE FEE NOTIFICATIONS APPROACH TWELVE (12) MONTHS.

Effective 23 May 2025, there is a threatened national postal service interruption due to a potential strike by Canada Post. It is possible that mail delivered will be suspended at any time until…

Effective November 29, 2024, the United States Postal Service (“USPS”) has temporarily suspended mail to Canada due to the ongoing strike by Canada Post workers. Accordingly, at this time, USPS is not accepting any mail addressed to Canadian addresses, and any mail addressed to a Canadian address that was sent after the strike began on November 15, 2024, will not be delivered until the Canada Post strike is concluded…

Effective November 15, 2024, there is a national postal service interruption due to a strike by Canada Post. During this time, no mail will be delivered until Canada Post has reached a resolution. Please note that this may result in some service delivery delays…