I. P. Frink, Inc. v. Erickson

ANDERSON, Circuit Judge.

The plaintiff and defendant are competitors in the business of selling and installing electric illuminating fixtures and devices. This is a patent infringement case, with an added allegation of unfair competition. The latter allegation is entirely unsupported by evidence, and calls for no discussion.

*497The defenses are invalidity and noninfringement. There is also a counterclaim of unfair competition, based on threats, known to be groundless, and false statements as to preliminary injunction sustaining plaintiff’s patent, directed by the plaintiff against the defendant’s…