Opinion · Supreme Court of the United States

Richards v. Chase Elevator Co.

15 S. Ct. 831

Type
Opinion
Court
Supreme Court of the United States
Jurisdiction
Federal
Date
1895-05-20
Topic
general

Mr. Justice Brown, after stating the case, delivered the opinion of the court. While patent cases are usually disposed of upon bill, answer, and proof, there is -no objection, if the patent be manifestly invalid upon its face, to the point being raised on demurrer, and the case being determined upon the issue so formed. We have repeatedly held that a patent may be declared invalid for want of novelty, though no such defence be set up in the answer. Dunbar v.

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