Hamilton Manfg. Co. v. Poll

This case was originally heard as upon bill for injunction to restrain infringement of a patent, and was so reviewed by this court in 253 Mich. 324, and remanded for more testimony. Further hearing appears to have been upon the same issue, as no other contention was mentioned in the well-considered opinion of the circuit court holding that jurisdiction is in the Federal court.

Counsel for plaintiff concede that the State court has no jurisdiction in an action for infringement of a patent, but now claim that the suit is to enjoin violation and to enforce specific performance of an agreement, in…