- The Lanham Act (Chapter 22 of Title 15 of the United States Code)
- United States Patent and Trademark Office
- United States PTO–Trademark Information
- United States PTO–Trademark Electronic Search System
- United States PTO–Trademark Rules of Practice
- United States PTO–Trademark Manual of Examining Procedure
- United States PTO–Examination Guide No. 1-99
- United States PTO–Trademark Registration of Internet Domain Names
- United States PTO–Trademark Trial and Appeal Board Manual of Procedure
- Final Decisions of the Trademark Trial and Appeal Board
- United States PTO Trademark Official Gazette
- International Trademark Association
- Overview of United States Trademark Law
- Findlaw collection of trademark law resources
- Paris Convention for the Protection of Industrial Property of March 20, 1883, as revised and amended through September 28, 1979
- Madrid Agreement Concerning the International Registration of Marks of April 14, 1891, as revised and amended through September 28, 1979
- Protocol Relating to the Madrid Agreement Concerning the International Registration of Marks, as adopted at Madrid on June 27, 1989, as amended through November 12, 2007
- Nice Agreement Concerning the International Classification of Goods and Services for the Purposes of the Registration of Marks of June 15, 1957, as revised and amended through September 28, 1979
- Trademark Law Treaty (adopted at Geneva on October 27, 1994)
- Singapore Treaty on the Law of Trademarks (adopted March 2006)
- EC Trademark Directive, FIRST COUNCIL DIRECTIVE of 21 December 1988 to approximate the laws of the Member States relating to trade marks (89/104/EEC)
- EC Trademark Regulation, COUNCIL REGULATION (EC) No 40/94 of 20 December 1993 on the Community trade mark
- Office for Harmonization in the Internal Market (OHIM), The Community Trademark
- 1911 Encylcopedia Brittanica entry for “Trade Marks”
- 1911 Encyclopedia Brittanica entry for “Trade Organization”