Legal Opinion
I. U. Technology Corp. v. Research-Cottrell, Inc.
Court of Appeals for the Fifth Circuit
Decided April 2, 1981No. 79-1158PublishedCited by 9 opinions
1Opinion of the Court
POLITZ, Circuit Judge:
In this patent suit I.U. Technology Corporation (IUT) seeks a declaration that Research-Cottrell et aL, are infringing and will further infringe U.S. Patent No. 3,785,-840 (’840 patent) involving “Lime-Fly AshSulfite Mixtures.” Defendants counterclaim for a declaratory judgment that the ’840 patent is invalid. The case was tried to a jury which returned six special verdicts: (1) defendants’ operations at an existing plant have infringed the patent, (2) defendants’ intended operation at another plant will infringe the patent, (3) the invention claimed by the patent was…
2Cases cited49 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- McClain v. OrtmayerSupreme Court of the United States · 1891
- Sinclair & Carroll Co. v. Interchemical Corp.Supreme Court of the United States · 1945
- Sakraida v. Ag Pro, Inc.Supreme Court of the United States · 1976
- Universal Athletic Sales Co., a Corporation v. American Gym, Recreational & Athletic Equipment Corporation, Inc.Court of Appeals for the Third Circuit · 1976
44 more not listed; retrieve them via the Exa API.
3Cited by9 opinions
- Rohm and Haas Co. v. Dawson Chemical Co., Inc.District Court, S.D. Texas · 1983
- State of Tex. v. MosbacherDistrict Court, S.D. Texas · 1992
- LD Schreiber Cheese Co., Inc. v. Clearfield Cheese Co.District Court, W.D. Pennsylvania · 1982
- Atlas Powder Co. v. E.I. Du Pont De Nemours & Co.District Court, N.D. Texas · 1983
- Marvin I. May v. American Southwest Waterbed Distributors, Inc., a Texas Corporation and Frank Lucas, an IndividualCourt of Appeals for the Fifth Circuit · 1983
4 more not listed; retrieve them via the Exa API.