Legal Opinion

In re Chatfield

Court of Customs and Patent Appeals

Decided November 18, 1976No. Patent Appeal No. 76-551PublishedCited by 44 opinions

1Opinion of the Court

MARKEY, Chief Judge.

This is an appeal from the decision of the Patent and Trademark Office Board of Appeals affirming the rejection of claims 1-6 and 9-16, constituting all of the claims in appellant’s application serial No. 243,951, filed April 14, 1972, entitled “Method of Operating a Multiprogrammed Computing System.” We reverse.

The Invention

Chatfield’s invention resides in the field of computer technology and specifically in the area of multiprogrammed computer systems. Computer systems generally include one or more central processing units (CPU’s)1 and one or more peripheral units, e.…

2Cases cited12 opinions

  1. Cohens v. VirginiaSupreme Court of the United States · 1821
  2. Gottschalk v. BensonSupreme Court of the United States · 1972
  3. O'Reilly v. MorseSupreme Court of the United States · 1854
  4. Dann v. JohnstonSupreme Court of the United States · 1976
  5. Application of Charles D. Prater and James WeiCourt of Customs and Patent Appeals · 1969

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

3Cited by44 opinions

  1. Parker v. FlookSupreme Court of the United States · 1978
  2. ASTRAZENECA LP v. Apotex, Inc.Court of Appeals for the Federal Circuit · 2010
  3. State Street Bank & Trust Co. v. Signature Financial Group, Inc.Court of Appeals for the Federal Circuit · 1998
  4. In re FreemanCourt of Customs and Patent Appeals · 1978
  5. In re AbeleCourt of Customs and Patent Appeals · 1982

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

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