Legal Opinion
Printing Plate Supply Co. v. Curtis Publishing Co.
District Court, E.D. Pennsylvania
Decided January 15, 1968No. Civ. A. No. 42039PublishedCited by 10 opinions
1Opinion of the Court
OPINION
MASTERSON, District Judge.
Plaintiffs’ complaint in this action charges the defendant with infringement of four of plaintiffs’ patents, United States Letters Patent Nos. 2,507,347, 2,800,856, 2,814,990 and 3,062,139. Defendant has filed an answer and a counterclaim seeking a declaration that these patents are invalid and not infringed by the defendant. In its counterclaim defendant also seeks a declaration that a fifth patent held by the plaintiff, United States Letters Patent No. 3,228,330, referred to hereinafter as the ’330 patent, is invalid and not infringed by the defendant.
Plainti…
2Cases cited16 opinions
- Dewey & Almy Chemical Co. v. American Anode, Inc.Court of Appeals for the Third Circuit · 1943
- Treemond Co. v. Schering CorporationCourt of Appeals for the Third Circuit · 1941
- Simmonds Aerocessories, Limited, Appelant v. Elastic Stop Nut Corporation of AmericaCourt of Appeals for the Third Circuit · 1958
- Lear Siegler, Inc., a Corporation v. John S. AdkinsCourt of Appeals for the Ninth Circuit · 1964
- Dr. Beck and Co. G.M.B.H. v. General Electric CompanyCourt of Appeals for the Second Circuit · 1963
11 more not listed; retrieve them via the Exa API.
3Cited by10 opinions
- Young Women's Christian Ass'n of Princeton, NJ v. KuglerDistrict Court, D. New Jersey · 1972
- McCahill v. Borough of Fox ChapelCourt of Appeals for the Third Circuit · 1971
- Clark v. Associates Commercial Corp.District Court, D. Kansas · 1993
- Altman v. LIBERTY EQUITIES CORPORATIONDistrict Court, S.D. New York · 1971
- Tuckman v. Aerosonic Corp.Court of Chancery of Delaware · 1978
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