Legal Opinion

Atlas Imperial Diesel Engine Co. v. Lanova Corporation

District Court, D. Delaware

Decided August 24, 1948No. Civil Action 980PublishedCited by 8 opinions

1Opinion of the Court

LEAHY, District Judge.

This is an action in which the plaintiff, a Diesel engine manufacturer, seeks a judgment declaring a certain license agreement with defendant invalid; declaring that no claim of any of the 39 patents under license is infringed by plaintiff’s engines of a design upon which plaintiff has paid royalties to defendant under the license agreement; and further declaring that each of the 39 license patents is invalid. In addition, plaintiff seeks a judgment requiring defendant to refund all monies paid to plaintiff as royalties plus interest from date of payment. Plaintiff also…

2Cases cited8 opinions

  1. Sola Electric Co. v. Jefferson Electric Co.Supreme Court of the United States · 1942
  2. Pratt v. Paris Gas Light & Coke Co.Supreme Court of the United States · 1897
  3. Dewey & Almy Chemical Co. v. American Anode, Inc.Court of Appeals for the Third Circuit · 1943
  4. MacGregor v. Westinghouse Electric & Manufacturing Co.Supreme Court of the United States · 1947
  5. Chicago Pneumatic Tool Co. v. ZieglerCourt of Appeals for the Third Circuit · 1945

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3Cited by8 opinions

  1. Thiokol Chemical Corp. v. Burlington Industries, Inc.District Court, D. Delaware · 1970
  2. Hall Laboratories, Inc. v. National Aluminate Corp.District Court, D. Delaware · 1951
  3. Enka B. V. v. E. I. Du Pont De Nemours & Co.District Court, D. Delaware · 1981
  4. Bela Seating Company v. Poloron Products, Inc.District Court, N.D. Illinois · 1968
  5. JFD Electronics Corp. v. Channel Master Corp.District Court, S.D. New York · 1964

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