Legal Opinion
Illinois Tool Works, Inc. v. Sweetheart Plastics, Inc., Maryland Cup Corporation, and Sweetheart Cup Corporation
Court of Appeals for the Seventh Circuit
Decided February 22, 1971No. 18215_1PublishedCited by 72 opinions
1Opinion of the Court
SWYGERT, Chief Judge.
This is a patent infringement action against Maryland Cup Corporation and its subsidiaries, Sweetheart Cup Corporation and Sweetheart Plastics, Inc., brought by Illinois Tool Works, Inc., the assignee of United States Patents Nos. 3,139,213 and 3,091,360. It has been consolidated with the defendants’ declaratory judgment action filed prior to the commencement of the infringement action by plaintiff. The district court found the patents valid and infringed by certain of defendants’ accused containers and entered its final judgment permanently enjoining further infringement…
2Cases cited13 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
- Anderson's-Black Rock, Inc. v. Pavement Salvage Co.Supreme Court of the United States · 1969
- McCullough Tool Co. v. Well Surveys, Inc.Court of Appeals for the Tenth Circuit · 1965
- Brooks Walker v. General Motors Corporation and Les Vogel Chevrolet CompanyCourt of Appeals for the Ninth Circuit · 1966
8 more not listed; retrieve them via the Exa API.
3Cited by72 opinions
- William Rodger Starnes v. Honorable Matthew F. McGuire Arthur Everett Small, Jr. v. Honorable George L. Hart, JrCourt of Appeals for the D.C. Circuit · 1974
- Margaret E. Coffey v. Van Dorn Iron Works, an Ohio CorporationCourt of Appeals for the Seventh Circuit · 1986
- Roofing & Sheet Metal Services, Inc. v. La Quinta Motor Inns, Inc.Court of Appeals for the Eleventh Circuit · 1982
- Peter Gabor Kalman v. Kimberly-Clark CorporationCourt of Appeals for the Federal Circuit · 1983
- Ronco, Inc. v. Plastics, Inc.District Court, N.D. Illinois · 1982
67 more not listed; retrieve them via the Exa API.