Home2011 Treaties and Agreements ...China (11-1121.1) – Trade Agreement on Intellectual Property Rights Cooperation hide China (11-1121.1) – Trade Agreement on Intellectual Property Rights Cooperation TIAS Office of Treaty Affairs November 21, 2011 Trade and Investment: Intellectual Property Rights Cooperation Agreement signed at Chengdu November 21, 2011; entered into force November 21, 2011. Download attachment [366 KB] Tags China Trade and Investment Treaties