Is patent CA 2561773 A1 still valid or pending? Event shows: dead in 2008 Please inform of risk of patent infringement.

1 Answer 1


Citing the Canadian patent office website as reached through the Google Patents link on "dead" applications:

The date that an abandoned application could normally no longer be reinstated.

Dead Application 2009-09-21

Unless the owner is in a coma and can therefore reinstate the right after waking up (I don't know if this is possible in Canada), the patent application is most probably "dead".

  • I think it cannot be reinstate the dead patent, only if the application erroneously became dead
    Apr 6, 2017 at 8:53
  • 1
    Just a little nit to pick, but I hate when applications are referred to as patents.
    – Eric S
    May 29, 2019 at 19:18

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