Legal Opinion

Hancock Oil Co. v. Universal Oil Products Co.

Court of Appeals for the Ninth Circuit

Decided June 13, 1941No. 9530PublishedCited by 19 opinions

1Opinion of the Court

STEPHENS, Circuit Judge.

On March 12, 1935, the predecessor of the Universal Oil Products Company [hereinafter referred to as “Universal”] brought suit against the Hancock Oil Company [hereinafter referred to as “Hancock”] for an alleged infringement of three patents for the cracking of oil.

On March 31, Í936, Universal filed a bill in the nature of a supplemental bill of complaint alleging inter alia its succession to the original plaintiff and to the patents and all rights of action arising thereunder.

Hancock answered the complaint on July 30, 1936, denying infringement and setting up the…

2Cases cited1 opinion

  1. Hancock Oil Co. v. Universal Oil Products Co.Court of Appeals for the Ninth Circuit · 1940

3Cited by19 opinions

  1. Lesnik v. Public Industrials CorporationCourt of Appeals for the Second Circuit · 1944
  2. Horner v. FerronCourt of Appeals for the Ninth Circuit · 1966
  3. Stepp v. United StatesCourt of Appeals for the Fourth Circuit · 1953
  4. Psg Co., a Corporation, and Philip S. Greenberg v. Merrill Lynch, Pierce, Fenner & Smith, Inc.Court of Appeals for the Ninth Circuit · 1969
  5. Pisciotta v. Teledyne Industries, Inc.Court of Appeals for the Ninth Circuit · 1996

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