Patent cooperation treaty (PCT), done at Washington on June 19, 1970, amended on October 2, 1979, and modified on February 3, 1984, and regulations under the PCT (as in force on January 1, 1985) by World Intellectual Property Organization

Patent cooperation treaty (PCT), done at Washington on June 19, 1970, amended on October 2, 1979, and modified on February 3, 1984, and regulations under the PCT (as in force on January 1, 1985)