Legal Opinion
Phillips Petroleum Co. v. United States Steel Corp.
District Court, D. Delaware
Decided March 8, 1985No. Civ. A. 83-143, 83-148, 83-547, 83-801 and 84-79 MMSPublishedCited by 4 opinions
1Opinion of the Court
OPINION
MURRAY M. SCHWARTZ, District Judge.
The invention of solid crystalline polypropylene has given rise to protracted litigation spanning several decades. In this action, Phillips Petroleum Company (“Phillips”), awarded a product patent in March, 1983 for crystalline polypropylene, has filed a suit against United States Steel Corporation (“U.S. Steel”) and Hercules Incorporated for patent infringement. Separate actions have been brought against Phillips by Shell Oil Company, Northern Petrochemical Company, and El Paso Products Company (“El Paso”) to obtain a declaratory judgment that the…
2Cases cited32 opinions
- American Hoist & Derrick Company, Cross-Appellee v. Sowa & Sons, Inc., Cross-AppellantCourt of Appeals for the Federal Circuit · 1984
- South Corporation and Seal Fleet, Inc. v. The United StatesCourt of Appeals for the Federal Circuit · 1982
- Studiengesellschaft Kohle Mbh, as Trustee for the Max-Planck-Institut Fur Kohlenforschung v. Eastman Kodak CompanyCourt of Appeals for the Fifth Circuit · 1980
- Application of Virgil W. Vogel and Paul W. VogelCourt of Customs and Patent Appeals · 1970
- Carman Industries, Inc. v. Eugene A. Wahl and Vibra Screw, Inc.Court of Appeals for the Federal Circuit · 1983
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3Cited by4 opinions
- Phillips Petroleum Co. v. United States Steel Corp.District Court, D. Delaware · 1987
- Takeda Pharmaceutical Co., Ltd. v. DollCourt of Appeals for the Federal Circuit · 2009
- Takeda Pharmaceutical Co., Ltd. v. DudasDistrict Court, District of Columbia · 2007
- Takeda Pharmaceutical Co., Ltd. v. DollCourt of Appeals for the Federal Circuit · 2009