Legal Opinion
Hopkins v. Waco Products, Inc. Alan's Sales Engineers v. Hopkins
Court of Appeals for the Seventh Circuit
Decided June 23, 1953No. 10780_1PublishedCited by 16 opinions
1Opinion of the Court
DUFFY, Circuit Judge.
Hopkins, doing business as Lake City Products, brought an action against Waco Products, Inc. (hereinafter called Waco) for infringement of his design patent D-156,008. Alan’s Sales Engineers, Inc., in a separate suit against Hopkins, sought a declaratory judgment that design patent D-156,008 was invalid for lack of invention. The two actions were consolidated and tried together. The district court found the patent invalid. Hopkins had also alleged unfair competition and violation of the Illinois State Fair Trade Act, S.H.A.Ill. ch. 1211/2, § 188 et seq., but these claims…
2Cases cited13 opinions
- Jungersen v. Ostby & Barton Co.Supreme Court of the United States · 1949
- Nat Lewis Purses, Inc. v. Carole Bags, Inc.Court of Appeals for the Second Circuit · 1936
- Zangerle & Peterson Co. v. Venice Furniture Novelty Mfg. Co.Court of Appeals for the Seventh Circuit · 1943
- Smith v. Dental Products Co.Court of Appeals for the Seventh Circuit · 1944
- Hueter v. Compco CorporationCourt of Appeals for the Seventh Circuit · 1950
8 more not listed; retrieve them via the Exa API.
3Cited by16 opinions
- Chicago, Rock Island and Pacific Railroad Company v. IgoeCourt of Appeals for the Seventh Circuit · 1955
- John P. O'Brien v. Westinghouse Electric CorporationCourt of Appeals for the Third Circuit · 1961
- Hygienic Specialties Co. v. H. G. Salzman, Inc., Hutzler Mfg. Co., and C. B. Cotton & Co., Inc.Court of Appeals for the Second Circuit · 1962
- Laskowitz v. Marie Designer, Inc.District Court, S.D. California · 1954
- Day-Brite Lighting, Inc. v. Compco Corporation, Day-Brite Lighting, Inc. v. Compco CorporationCourt of Appeals for the Seventh Circuit · 1963
11 more not listed; retrieve them via the Exa API.