Legal Opinion
Leishman v. General Motors Corp.
Court of Appeals for the Ninth Circuit
Decided August 13, 1951No. 12485PublishedCited by 23 opinions
1Opinion of the Court
POPE, Circuit Judge.
This is an appeal from a judgment holding claims 7 to 11 inclusive of appellant’s reissue patent No. 20,827, to be invalid.
The appellee General Motors Corporation, as plaintiff, filed its complaint against defendant, appellant Leishman, seeking a declaratory judgment that such claims of appellant’s patent were invalid and not infringed by the automatic radio tuning devices manufactured by the appellee. The defendant put in issue the allegations of the complaint and by counterclaim asserted that said claims of such patent were valid and infringed by appellee’s tuners. He…
2Cases cited19 opinions
- Cuno Engineering Corp. v. Automatic Devices Corp.Supreme Court of the United States · 1942
- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1949
- Sinclair & Carroll Co. v. Interchemical Corp.Supreme Court of the United States · 1945
- Potts v. CreagerSupreme Court of the United States · 1895
- Dow Chemical Co. v. Halliburton Oil Well Cementing Co.Supreme Court of the United States · 1945
14 more not listed; retrieve them via the Exa API.
3Cited by23 opinions
- Monroe Auto Equipment Company v. Heckethorn Manufacturing & Supply CompanyCourt of Appeals for the Sixth Circuit · 1964
- Inglett & Company, Inc. v. Everglades Fertilizer Company, Inc.Court of Appeals for the Fifth Circuit · 1958
- Schnading Corporation v. Gaines Manufacturing Co., Inc.Court of Appeals for the Sixth Circuit · 1974
- Deep Welding, Inc. v. Sciaky Bros., Inc.Court of Appeals for the Seventh Circuit · 1969
- Bernard H. Stauffer v. Slenderella Systems of California, Inc., a CorporationCourt of Appeals for the Ninth Circuit · 1957
18 more not listed; retrieve them via the Exa API.