Use of patented technology under the General Agreement on Tariffs and Trade (GATT).

Article 31 of Annex 1C, Agreement on Trade-Related Aspects of Intellectual Property Rights, to GATT (Uruguay Round) addresses situations where the law of a member country allows for use of a patent without authorization, including use by the Government. Article 20.40 of the United States-Mexico-Canada Agreement preserves parties' rights under Article 31. [72 FR 63049, Nov. 7, 2007, as amended at 87 FR 73893, Dec. 1, 2022]