Legal Opinion

Pierce v. Allen B. Du Mont Laboratories, Inc.

District Court, D. Delaware

Decided September 12, 1958No. Civ. A. No. 1624PublishedCited by 1 opinion

1Opinion of the Court

LAYTON, District Judge.

This is a motion for summary judgment by the defendant in a suit wherein the plaintiff charges infringement of six patents issued to the plaintiff’s deceased husband, Professor George W. Pierce. The patents are Numbers 2,133,642 (642), 2,133,643 (643), 2,133,645 (645), 2,133,646 (646), 2,133,648 (648) and 2,133,070 (070).1 The first five patents were issued simultaneously on October 18, 1938, and have expired. Patent numbered 070, issued December 16, 1941, will expire on December 16, 1958.

The Complaint alleges that the defendant was or is infringing the plaintiff’s…

2Cases cited9 opinions

Mumm v. Jacob E. Decker & SonsSupreme Court of the United States · 1937
American Communications Co., Inc. v. PierceCourt of Appeals for the First Circuit · 1954
In Re CadyCourt of Customs and Patent Appeals · 1935
George Washington Pierce v. Hewlett-Packard CompanyCourt of Appeals for the First Circuit · 1955
Pierce v. American Communications Co.District Court, D. Massachusetts · 1953

4 more not listed; retrieve them via the Exa API.

3Cited by1 opinion

Pierce v. Allen B. Du Mont Laboratories, Inc.District Court, D. Delaware · 1959