Legal Opinion
Benz v. J. Laskin & Sons Corp.
District Court, E.D. Wisconsin
Decided March 12, 1942No. Civ. A. No. 367PublishedCited by 5 opinions
1Opinion of the Court
DUFFY, District Judge.
The complaint herein alleges infringement of U. S. Letters Patent No. 2,211,645 issued to plaintiff Calva for an invention for process of treating animal pelts. The answer, filed December 16, 1940, sets forth the defenses of invalidity and non-infringement.
There are two motions now before the court. The first is by the defendant for leave to amend its answer in three particulars : (1) to plead an additional prior art patent issued since the original answer was filed, and two additional prior publications; (2) to plead a counterclaim for a declaratory judgment,…
2Cases cited20 opinions
- E. Edelmann & Co. v. Triple-A Specialty Co.Court of Appeals for the Seventh Circuit · 1937
- Leach v. Ross Heater & Mfg. Co.Court of Appeals for the Second Circuit · 1939
- Whitmore v. Salt Lake CitySupreme Court of the United States · 1937
- Chicago Metallic Mfg. Co. v. Edward Katzinger Co.Court of Appeals for the Seventh Circuit · 1941
- Hann v. Venetian Blind CorporationDistrict Court, S.D. California · 1936
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3Cited by5 opinions
- Peters & Russell, Inc. v. DorfmanCourt of Appeals for the Seventh Circuit · 1951
- Trico Products Corporation v. Anderson Co.Court of Appeals for the Seventh Circuit · 1945
- Brunswick Corp. v. Chrysler Corp.District Court, E.D. Wisconsin · 1968
- Cover v. SchwartzCourt of Appeals for the Second Circuit · 1942
- Cover v. SchwartzCourt of Appeals for the Second Circuit · 1942