NOTES TO CHAPTER 99. TRADE MARKS. 6522. How to secure right to. The state courts have jurisdiction to enjoin a person from infringing the trade mark of a competitor. The act of congress assuming to confer exclusive jurisdiction on the federal courts in trade mark cases has been pronounced unconstitutional (United States v. Steffens, 100 U. S., 82). An injunction in such a case will issue when there is a wrongful imitation, for a fraudulent purpose of another's name and label; Smail v. Sanders, 118-106. |