Legal Opinion

Mercantile National Bank of Chicago v. Howmet Corporation

Court of Appeals for the Seventh Circuit

Decided November 24, 1975No. 75-1081PublishedCited by 13 opinions

1Opinion of the Court

TONE, Circuit Judge.

We are asked in this appeal to reexamine the issue of the validity of the patent held valid by this court five years ago in Mercantile National Bank of Chicago v. Quest, Inc., 431 F.2d 261 (7th Cir. 1970), cert. denied, 401 U.S. 956, 91 S.Ct. 977, 28 L.Ed.2d 239 (1971). The District Court decided this issue, as well as issues of infringement, inventorship, and enforceability, in favor of the patent owner. We affirm.

The patent, which covers a portable device for providing continuous-suction evacuation of a closed surgical wound through a needle and tube connected to a…

2Cases cited12 opinions

  1. Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
  2. Precision Instrument Manufacturing Co. v. Automotive Maintenance MacHinery Co.Supreme Court of the United States · 1945
  3. United States v. OregonSupreme Court of the United States · 1935
  4. Popeil Brothers, Inc. v. Schick Electric, Inc.Court of Appeals for the Seventh Circuit · 1974
  5. American Photocopy Equipment Company v. Rovico, Inc.Court of Appeals for the Seventh Circuit · 1967

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

3Cited by13 opinions

  1. Lektro-Vend Corp. v. Vendo Co.Court of Appeals for the Seventh Circuit · 1981
  2. Robert L. Mendenhall, and Cmi Corporation v. Cedarapids, Inc., Defendant/cross-AppellantCourt of Appeals for the Federal Circuit · 1993
  3. Oscar Gruss & Son v. First State Bank of Eldorado and Philip Kane and Ralph W. ChoiserCourt of Appeals for the First Circuit · 1978
  4. Magnavox Co. v. APF Electronics, Inc.District Court, N.D. Illinois · 1980
  5. Mymail, Ltd. v. America Online, Inc.Court of Appeals for the Federal Circuit · 2007

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

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