Patent cooperation treaty (PCT) : done at Washington on June 19, 1970, amended on September 28, 1979, modified on February 3, 1984, and on October 3, 2001 and regulations under the PCT (as in force from July 1, 2014)

I. International application and international search; II. International preliminary examination; III. Common provisions; IV. Technical services; V. Administrative provisions; VI. Disputes; VII. Revision and amendment; VIII. Final provisions.