Legal Opinion
Hall Laboratories, Inc. v. National Aluminate Corp.
District Court, D. Delaware
Decided September 20, 1950No. Civ. A. No. 1192PublishedCited by 4 opinions
1Opinion of the Court
LEAHY, Chief Judge.
On January 31, 1949, plaintiffs sought a. declaratory judgment that they need to pay-no royalties stipulated by the terms of, a, license agreement between defendant and’, plaintiffs under No. 2,358,222, the Fink-. Richardson patent, and that the license ■ agreement should be cancelled. Defendant. then asked for summary judgment and dis- - missal of the complaint.
Years before, on March 17, 1945, the-■plaintiffs sought declaratory judgment against defendant in 'this court — our C.A.. No. 538 — to adjudicate their non-infringe- - *377ment and the invalidity of the Fink-Richardson…
2Cases cited7 opinions
- Scott Paper Co. v. Marcalus Manufacturing Co.Supreme Court of the United States · 1945
- Westinghouse Electric & Manufacturing Co. v. Formica Insulation Co.Supreme Court of the United States · 1924
- Hall Laboratories, Inc. v. Economics Laboratory, Inc.Court of Appeals for the Eighth Circuit · 1948
- Automatic Paper Machinery Co. v. Marcalus Mfg. Co.Court of Appeals for the Third Circuit · 1945
- Atlas Imperial Diesel Engine Co. v. Lanova CorporationDistrict Court, D. Delaware · 1948
2 more not listed; retrieve them via the Exa API.
3Cited by4 opinions
- Hall Laboratories, Inc. v. National Aluminate Corp.District Court, D. Delaware · 1951
- Hall Laboratories, Incorporated, the Buromin Company, Calgon, Incorporated, and Hagan Corporation v. National Aluminate CorporationCourt of Appeals for the Third Circuit · 1955
- Hall Laboratories, Inc. v. National Aluminate Corp.District Court, D. Delaware · 1954
- Hall Laboratories, Incorporated, the Buromin Company, Calgon, Incorporated, and Hagan Corporation v. National Aluminate CorporationCourt of Appeals for the Third Circuit · 1955