Legal Opinion
Phillips Petroleum Co. v. Esso Standard Oil Co.
District Court, D. Maryland
Decided April 12, 1950No. Civ. 3065PublishedCited by 3 opinions
1Opinion of the Court
WILLIAM C. COLEMAN, Chief Judge.
This is a patent suit in which the plaintiff, Phillips Petroleum Company, a Delaware corporation, claims that the defendant, Esso Standard Oil Company, also a Delaware corporation, which maintains and operates an oil refinery in Baltimore, has infringed patent No-. 2,002,394, issued May 21, 1935 to the plaintiff as assignee of the inventor, F. E. Frey, this patent being for a process for converting hydrocarbons. The defendant denies infringement and also asserts that the patent is invalid because anticipated by the prior art.
The alleged invention of the patent…
2Cases cited17 opinions
- MacHine Co. v. MurphySupreme Court of the United States · 1878
- Boyden Power-Brake Co. v. Westinghouse Westinghouse v. Boyden Power-Brake Co.Supreme Court of the United States · 1898
- General Electric Co. v. Wabash Appliance Corp.Supreme Court of the United States · 1938
- Tilghman v. ProctorSupreme Court of the United States · 1881
- Westinghouse v. Boyden Power Brake Co.Supreme Court of the United States · 1898
12 more not listed; retrieve them via the Exa API.
3Cited by3 opinions
- Phillips Petroleum Co. v. Esso Standard Oil Co.District Court, D. Maryland · 1950
- Phillips Petroleum Co. v. Esso Standard Oil Co.Court of Appeals for the Fourth Circuit · 1950
- Amador v. The RondaDistrict Court, S.D. New York · 1956