35 U.S.C. § 173
Term of design patent
Patents for designs shall be granted for the term of 15 years from the date of grant.
( July 19, 1952, ch. 950 , 66 Stat. 805 ; Pub. L. 97–247, § 16 , Aug. 27, 1982 , 96 Stat. 321 ; Pub. L. 103–465, title V, § 532(c)(3) , Dec. 8, 1994 , 108 Stat. 4987 ; Pub. L. 112–211, title I, § 102(7) , Dec. 18, 2012 , 126 Stat. 1532 .)