This document contains the confidential draft intellectual property chapter from negotiations of the Trans-Pacific Partnership (TPP) agreement between 12 countries, including the US, Japan, Canada, and Australia. It covers proposed international obligations and enforcement mechanisms for copyright, trademark, and patent law. The document combines the negotiating positions of all parties as of August 30, 2013 and was distributed to the chief negotiators after the 19th round of negotiations in Brunei. It includes proposed provisions on objectives of the chapter, definitions, national treatment, enforcement, technological protection measures, geographical indications, patents, trademarks, copyright, and other issues.