Legal Opinion

Hercules Powder Co. v. Rohm & Haas Co.

District Court, D. Delaware

Decided July 9, 1946No. Civ. A. 301PublishedCited by 6 opinions

1Opinion of the Court

LEAHY, District Judge.

This is a declaratory judgment action. Defendant, charging plaintiff’s insecticide, “Thanite”, infringes claims 1, 2, 3 and 7 of defendant’s Heckert patent No. 1,808,-893, 1 manufactures and sells a number of compounds containing aliphatic thiocyanates under the name “Lethane”. “Lethane” is a mark registered as No. 251,904. Plaintiff seeks a declaration that the Heckert patent is invalid and not infringed. In addition, plaintiff charges defendant with unfair competition and violation of the antitrust laws by misuse of patent by attempted restraint of interstate commerce.…

2Cases cited16 opinions

  1. Mercoid Corp. v. Mid-Continent Investment Co.Supreme Court of the United States · 1944
  2. McClain v. OrtmayerSupreme Court of the United States · 1891
  3. General Electric Co. v. Wabash Appliance Corp.Supreme Court of the United States · 1938
  4. White v. DunbarSupreme Court of the United States · 1886
  5. Hartford-Empire Co. v. United StatesSupreme Court of the United States · 1945

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3Cited by6 opinions

  1. American MacHine & Foundry Co. v. Liggett & Myers Tobacco Co.District Court, D. New Jersey · 1959
  2. National Research Development Corp. v. Great Lakes Carbon Corp.District Court, D. Delaware · 1975
  3. Teleflex Incorporated v. American Chain & Cable Co.District Court, S.D. New York · 1967
  4. La Maur, Inc. v. L. S. Donaldson Co.District Court, D. Minnesota · 1961
  5. Application of PruttonCourt of Customs and Patent Appeals · 1952

1 more not listed; retrieve them via the Exa API.

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