# 27.204-2 Use of patented technology under the General Agreement on Tariffs and Trade (GATT).

Article 31 of Annex 1 C, 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.