Legal Opinion
Sweetheart Plastics, Inc. v. Illinois Tool Works, Inc.
Court of Appeals for the First Circuit
Decided February 24, 1971No. 7731PublishedCited by 48 opinions
1Opinion of the Court
COFFIN, Circuit Judge.
Sweetheart Plastics, Inc. (hereinafter Sweetheart), plaintiff and appellant, seeks a declaratory judgment, under 28 U.S.C. §§ 2201, 2202, that certain plastic containers, which it manufactures, do not infringe patents Nos. 3,139,213 and 3,091,360, owned by defendant and ap-pellee, Illinois Tool Works, Inc. (hereinafter I.T.W.). Both the procedural and substantive issues involved require a discussion of the previous litigation in this case.
The patents concern plastic containers which, because of a nesting device, will not stick together when stacked one inside the other.…
2Cases cited17 opinions
- Aetna Life Insurance v. HaworthSupreme Court of the United States · 1937
- Maryland Casualty Co. v. Pacific Coal & Oil Co.Supreme Court of the United States · 1941
- Public Serv. Comm'n of Utah v. Wycoff Co.Supreme Court of the United States · 1952
- Dewey & Almy Chemical Co. v. American Anode, Inc.Court of Appeals for the Third Circuit · 1943
- Japan Gas Lighter Association v. Ronson Corp.District Court, D. New Jersey · 1966
12 more not listed; retrieve them via the Exa API.
3Cited by48 opinions
- Grafon Corporation v. Elmer P. Hausermann and Marten C. HausermannCourt of Appeals for the Seventh Circuit · 1979
- Societe De Conditionnement en Aluminium v. Hunter Engineering Co., Inc.Court of Appeals for the Ninth Circuit · 1981
- International Harvester Company v. Deere & CompanyCourt of Appeals for the Seventh Circuit · 1980
- Jervis B. Webb Company v. Southern Systems, Inc.Court of Appeals for the Federal Circuit · 1984
- Super Products Corporation, a Wisconsin Corporation v. D P Way Corporation, a Wisconsin CorporationCourt of Appeals for the Seventh Circuit · 1977
43 more not listed; retrieve them via the Exa API.