Treaties and Contracting Parties
Contracting Parties > Patent Cooperation Treaty > United States of America
|Signature||June 19, 1970|
|Ratification||November 26, 1975|
|Entry into Force||January 24, 1978|
Declarations, Reservations etc.Ratification contained a declaration provided for in Article 64(1)(a). This declaration was withdrawn on April 1, 1987, with effect from July 1, 1987.
With the declarations provided for in Articles 64(3)(a) and 64(4)(a).
Territorial InformationExtends to all areas for which the United States of America has international responsibility.