Marginal note:Admissible in evidence
53.1 (1) In any action or proceeding respecting a patent, a written communication, or any part of such a communication, may be admitted into evidence to rebut any representation made by the patentee in the action or proceeding as to the construction of a claim in the patent if
(a) it is prepared in respect of
(i) the prosecution of the application for the patent,
(ii) a disclaimer made in respect of the patent, or
(iii) a request for re-examination, or a re-examination proceeding, in respect of the patent; and
(b) it is between
(i) the applicant for the patent or the patentee; and
(ii) the Commissioner, an officer or employee of the Patent Office or a member of a re-examination board.
Marginal note:Divisional application
(2) For the purposes of this section, the prosecution of a divisional application is deemed to include the prosecution of the original application before that divisional application is filed.
Marginal note:Reissued patent
(3) For the purposes of this section, a written communication is deemed to be prepared in respect of the prosecution of the application for a reissued patent if it is prepared in respect of
(a) the prosecution of the application for the patent that was surrendered and from which the reissued patent results; or
(b) the application for reissuance.
- 2018, c. 27, s. 191
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