Government of Canada / Gouvernement du Canada
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Patent Rules

Version of section 68 from 2006-03-22 to 2007-06-01:

  •  (1) Subject to subsection (2), documents filed in paper form in connection with patents and applications shall

    • (a) be on sheets of good quality white paper that are free of creases and folds and that are 21.6 cm x 27.9 cm or 21 cm x 29.7 cm (A4 format);

    • (b) be so presented as to permit direct reproduction by photography, electrostatic processes, photo offset, and microfilming, in any number of copies; and

    • (c) be free from interlineations, cancellations or corrections.

  • (2) Transfer documents, other documents concerning ownership, and certified copies of documents may be submitted on sheets of paper that are no larger than 21.6 cm x 35.6 cm.

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