28 U.S.C. § 1331 Cited 99,357 times 136 Legal Analyses
Finding that in order to invoke federal question jurisdiction, a plaintiff's claims must arise "under the Constitution, laws, or treaties of the United States."
28 U.S.C. § 1338 Cited 5,469 times 71 Legal Analyses
Granting exclusive jurisdiction to the district courts "of any civil action arising under any Act of Congress relating to patents, . . . copyrights and trademarks"