Western Electric Co. v. Keystone Tel. Co.

Citations

• 115 F. 809
• 1902 U.S. App. LEXIS 4971

Syllabus

<p>1. Patents — Preliminary Injunction against Infringement — Effect of Prior Decision.</p> <p>Wliile the decision of one federal court sustaining the validity of a patent after a contest will be accepted by another such court, in interlocutory proceedings, as- conclusive upon the issues determined, and the effect of the proofs on which it was based, other issues and added proofs must, of necessity, be considered by the court to which they are submitted in the subsequent case, where the parties are not the same; and a preliminary injunction will not be granted where, giving such effect to a prior decision, the proofs leave the court in doubt either as to the validity of the complainant’s patent, or as to its infringement by defendant.</p> <p>2, Same — Switch Boards.</p> <p>A preliminary injunction against infringement of the Seely patent, No. 330,067, for an improvement in grouping spring jacks and annunciators for multiple switch boards denied.</p>