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64.1 Prior Art - Patent Cooperation Treaty
§ 64.1 Prior Art
(a) For the purposes of Article 33(2) and (3), everything made available to the public anywhere in the world by means of written disclosure (including drawings and other illustrations) shall be considered prior art provided that such making available occurred prior to the relevant date.
(b) For the purposes of paragraph (a), the relevant date will be:
(i) subject to item (ii), the international filing date of the international application under international preliminary examination;
(ii) where the international application under international preliminary examination validly claims the priority of an earlier application, the filing date of such earlier application.
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