World Intellectual Property Organization

Treaties and Contracting Parties

Treaties and Contracting Parties

Contracting Parties  >   Patent Cooperation Treaty > Japan 

SignatureJune 19, 1970
RatificationJuly 1, 1978
Entry into forceOctober 1, 1978

Declarations, reservations etc.

Ratification contained a declaration provided for in Article 64(2)(a)(i) and (ii). This declaration was withdrawn on September 8, 1987, with effect from December 8, 1987.

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