Service and Website Interruptions

Service interruption – CIPO website/all aplications – 2017-05-27

Due to maintenance activities, the CIPO's website and all applications will be intermittently unavailable from 7:00 a.m. to 8:00 a.m. on Saturday, May 27, 2017 (EDT).

We apologize for any inconvenience this may cause.

For more information, please call our Client Service Centre at: 1-866-997-1936. For date-sensitive material, please review our Correspondence procedures.

Service interruption – multiple applications – 2017-05-26 to 2017-05-29

Due to maintenance activities, the following will be intermittently available from 5:00 p.m. on Friday, May 26, 2017 to 6:00 a.m. on Monday, May 29, 2017 (EDT):

We apologize for any inconvenience this may cause.

For more information, please call our Client Service Centre at: 1-866-997-1936. For date-sensitive material, please review our Correspondence procedures.

Service interruption – multiple applications – 2017-05-29

Due to maintenance activities, the following will be unavailable from 6:00 a.m. to 2:00 p.m. on Monday, May 29, 2017 (EDT):

We apologize for any inconvenience this may cause.

For more information, please call our Client Service Centre at: 1-866-997-1936. For date-sensitive material, please review our Correspondence procedures.

Network maintenance

Network maintenance is scheduled every Saturday from 6:00 p.m. until 9:00 a.m. (ET) Sunday. During this period there may be disruptions to the CIPO Web site.

Online Forms maintenance

Online forms maintenance is scheduled every Sunday from 2:00 a.m. until 6:00 a.m. (ET). During this period, there may be disruptions to the online forms service.

Network maintenance (Patents)

Network maintenance is scheduled every Saturday from 6:00 p.m. until 4:00 p.m. (ET) Sunday. During this period there may be disruptions to the image database or to the database.

Database maintenance

Database maintenance is scheduled every Saturday from 5:00 p.m. until 7:00 p.m. (ET). During this period images may not be available.


We apologize for any inconvenience caused by these interruptions.

For more information, please contact the CIPO Client Service Centre at: 1-866-997-1936. For date-sensitive material, please review the Correspondence Procedures.

A complete list of the service interruptions to the CIPO site is available upon request.

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