Legal Opinion
Particle Data Laboratories, Inc., and Counterclaim v. Coulter Electronics, Inc., and Counterclaimant
Court of Appeals for the Seventh Circuit
Decided December 30, 1969No. 17442PublishedCited by 24 opinions
1Opinion of the Court
HASTINGS, Senior Circuit Judge.
Particle Data Laboratories, Inc. 2 brought this declaratory judgment action against Coulter Electronics, Inc. 3 It sought a declaration of invalidity and non-infringement of a Coulter patent. Coulter filed three-counterclaims alleging patent infringement, trademark infringement and unfair competition. The district court dismissed Coulter’s third counterclaim and denied its motion to join Robert H. Berg as a party counterclaim defendant to its three counterclaims. Coulter appeals. We affirm.
Plaintiff Particle Data is an Illinois corporation. Robert H. Berg is its…
2Cases cited14 opinions
- United Mine Workers of America v. GibbsSupreme Court of the United States · 1966
- Hurn v. OurslerSupreme Court of the United States · 1933
- Maternally Yours, Inc. v. Your Maternity Shop, Inc.Court of Appeals for the Second Circuit · 1956
- Delno v. Market St. Ry. Co.Court of Appeals for the Ninth Circuit · 1942
- Harry A. Pursche v. Atlas Scraper and Engineering Co., a Corporation, Atlas Scraper and Engineering Co., a Corporation v. Harry A. PurscheCourt of Appeals for the Ninth Circuit · 1962
9 more not listed; retrieve them via the Exa API.
3Cited by24 opinions
- Abraham Scherr v. John VolpeCourt of Appeals for the Seventh Circuit · 1972
- Harrington v. DeVitoCourt of Appeals for the Seventh Circuit · 1981
- Edward L. STEVENS, Plaintiff-Appellant, v. GREYHOUND LINES, INC., Defendant-AppelleeCourt of Appeals for the Seventh Circuit · 1983
- Skil Corporation v. Rockwell International Corp.District Court, N.D. Illinois · 1974
- Chuck "c.o." Beshear v. Clara Weinzapfel and Esther Weinzapfel, D/B/A Weinzapfel TavernCourt of Appeals for the Seventh Circuit · 1973
19 more not listed; retrieve them via the Exa API.