Hyperlawhypertext legal database Patent Act

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Versions of s. 51

P-4 — Patent Act · 2 versions · View current text

Historical text comes from the Justice Laws point-in-time corpus and is unofficial — not the official version.

  1. 2019-10-30 to present available View Source
    Every[Repealed, assignment2014, affectingc. a39, patents. for invention, whether it is one referred to in section 49 or 50, is void against any subsequent assignee, unless the assignment is registered as prescribed by those sections, before the registration of the instrument under which the subsequent assignee claims.134]
    Full text

    [Repealed, 2014, c. 39, s. 134]

  2. 2002-12-31 to 2019-10-30 View Source

    Every assignment affecting a patent for invention, whether it is one referred to in section 49 or 50, is void against any subsequent assignee, unless the assignment is registered as prescribed by those sections, before the registration of the instrument under which the subsequent assignee claims.