pct filing date
PCT filing date. Patents. The date of an international application under the Patent Cooperation Treaty. — Also termed international filing date. See PATENT COOPERATION TREATY.
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patent cooperation treaty
Patent Cooperation Treaty. A 1970 treaty that streamlined the process of securing patents in multiple countries by establishing a single filing date and providing for a single preliminary patent search. • An inventor who wants to qualify for patents from several member countries files a standard application in one country, thus preserving the priority date,
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