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 January 1, 2003) . - World Intellectual Property Organization (Geneva World Intellectual Property Organization, 2003)
WIPO Publication No. 274 (E).
Keywords: Patents (International law).