The several courts having jurisdiction of cases under this title may grant injunctions in accordance with the principles of equity to prevent the violation of any right secured by patent, on such terms as the court deems reasonable. (July 19, 1952, ch. 950, 66 Stat. 812 .) Historical and Revision Notes Based on Title 35, U.S.C., 1946 ed., § 70, part (R.S. 4921, amended (1) Mar. 3, 1897, ch. 391, § 6, 29 Stat. 694 , (2) Feb. 18, 1922, ch. 58, § 8, 42 Stat. 392 , (3) Aug. 1, 1946, ch. 726, § 1, 60 Stat. 778 ). This section is the same as the provision which opens R.S. 4921 with minor changes in language.