Sinclair & Carroll Co., Inc. v. Interchemical Corp.Annotate this Case
325 U.S. 327 (1945)
U.S. Supreme Court
Sinclair & Carroll Co., Inc. v. Interchemical Corp., 325 U.S. 327 (1945)
Sinclair & Carroll Co., Inc. v. Interchemical Corporation
Argued April 5, 1945
Decided May 21, 1945
325 U.S. 327
1. In suits in the federal courts for infringement of patents, the better practice usually is for the court to inquire fully into the validity of the patent. P. 325 U. S. 330.
2. It is essential to the validity of a patent that the subject matter reveal "invention," "more ingenuity . . . than the work of a mechanic skilled in the art." P. 325 U. S. 330.
3. Patent No. 2,087,190, claims 3, 10, 11, 12 and 13, to Gessler, for a printer's ink which is nonvolatile at room temperature and highly volatile when heated, which involved merely the selection of a known compound to meet known requirements, held invalid for want of invention. P. 325 U. S. 334.
144 F.2d 842, reversed.
Certiorari, 323 U.S. 705, to review a decree which, upon appeal from a decree holding a patent invalid and not infringed, 50 F.Supp. 881, held the patent valid and infringed.
Official Supreme Court caselaw is only found in the print version of the United States Reports. Justia caselaw is provided for general informational purposes only, and may not reflect current legal developments, verdicts or settlements. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or information linked to from this site. Please check official sources.