United Nickel Co. v. California Electrical Works

Sawyer, J.,

(orally.) In this ease it is objected on the part of the defendant that the complainant fails to make out a case in three particulars : “First, that the complainant is estopped from enforcing its right of action, if any such existed, by a course of conduct which amounted to an implied license to the defendant to pursue the work for which.it has been sued; second, that the complainant has not proved with reasonable certainty its allegation of infringement by defendant; third, that the matter covered by the letters patent was not novel or useful at the time of its alleged invention.”

I…