Hall Signal Co. v. General Ry. Signal Co.

Citations

• 153 F. 907
• 82 C.C.A. 653
• 1907 U.S. App. LEXIS 4479

Syllabus

<p>1. Injunction — Preliminary Injunction' — Sufficiency of Proofs.</p> <p>11. is a cardinal principle of equity jurisprudence that a preliminary injunction shall not issue in a doubtful case, and, unless the court is convinced with ^reasonable certainty that the complainant must succeed at final hearing, the writ should be denied.</p> <p>[Ed. Note. — For cases in point, see Cent. Dig. vol. 27, Injunction, § 309.]</p> <p>2. Patents — Suit fob Infringement — Preliminary Injunction.</p> <p>The showing on a motion for a preliminary Injunction to restrain infringement of a number of unadjudicated patents, relating to electric railway signals, held to present too many elements of doubt to warrant tlie granting of an injunction.</p> <p>[Ed. Note. — For cases in point, see Cent. Dig. vol. 38, Patents, § 409.</p> <p>Grounds for denial'of preliminary injunctions in patent infringement suits, see note to Jolmson v. Foos Mfg. Co., 72 C. C. A. 123.]</p>