Legal Opinion
Pennwalt Corp. v. Zenith Laboratories, Inc.
District Court, E.D. Michigan
Decided June 21, 1979No. Civ. A. 8-71997PublishedCited by 32 opinions
1Opinion of the Court
MEMORANDUM OPINION AND ORDER
JOINER, District Judge.
This is an unfair competition and trademark infringement case. Plaintiff, Pennwalt Corporation, manufactures and sells an anorectic drug with the trademark name Ionamin. Defendant, Zenith Laboratories, Inc., manufactures and sells an anorectic drug called Phentermine Hydrochloride. 1 Pennwalt seeks a preliminary injunction prohibiting the continued manufacture, sale, and distribution by Zenith of phentermine products in capsules of confusingly similar size, shape, and color to Ionamin and prohibiting any comparison of Phentermine…
2Cases cited20 opinions
- Eastern Railroad Presidents Conference v. Noerr Motor Freight, Inc.Supreme Court of the United States · 1961
- United Mine Workers v. PenningtonSupreme Court of the United States · 1965
- California Motor Transport Co. v. Trucking UnlimitedSupreme Court of the United States · 1972
- Swift & Co. v. United StatesSupreme Court of the United States · 1905
- Sears, Roebuck & Co. v. Stiffel Co.Supreme Court of the United States · 1964
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3Cited by32 opinions
- New York Ex Rel. Schneiderman v. Actavis PLCCourt of Appeals for the Second Circuit · 2015
- American Civil Liberties Union Foundation of Colorado, Inc. , Amicus CuriaeCourt of Appeals for the Tenth Circuit · 2000
- Sk&f, Co. v. Premo Pharmaceutical Laboratories, Inc.Court of Appeals for the Third Circuit · 1980
- Coastal States Marketing, Inc. And Valero Energy Corporation, Cross-Appellees v. Nelson Bunker Hunt, Cross-AppellantsCourt of Appeals for the Fifth Circuit · 1983
- Leonardini v. Shell Oil Co.California Court of Appeal · 1989
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