Legal Opinion
Technitrol, Inc. v. Control Data Corporation
Court of Appeals for the Fourth Circuit
Decided March 8, 1977No. 75-1857PublishedCited by 15 opinions
1Opinion of the Court
WIDENER, Circuit Judge:
This patent case concerns an automatic reset feature, a device to prevent information loss in a magnetic data storage system. Technitrol, Inc., the patent owner, brought an infringement suit for an injunction and damages against Control Data Corp., a manufacturer, seller, and user of such systems. Control Data filed a counterclaim asking the court to declare Technitrol’s patent invalid and moved for summary judgment for failing to comply with 35 U.S.C. § 112, para. 2, which reads in pertinent part:
“The specification shall conclude with one or more claims particularly…
2Cases cited26 opinions
- Adickes v. S. H. Kress & Co.Supreme Court of the United States · 1970
- Continental Paper Bag Co. v. Eastern Paper Bag Co.Supreme Court of the United States · 1908
- Topliff v. TopliffSupreme Court of the United States · 1892
- Smith v. Goodyear Dental Vulcanite Co.Supreme Court of the United States · 1877
- Halliburton Oil Well Cementing Co. v. WalkerSupreme Court of the United States · 1946
21 more not listed; retrieve them via the Exa API.
3Cited by15 opinions
- Photo Electronics Corporation v. John M. England, Trustee in Bankruptcy for Ferrex Corporation, Photo Electronics Corporation v. Ferrex CorporationCourt of Appeals for the Ninth Circuit · 1978
- Garter-Bare Company, an Unincorporated Association (A Limited Partnership), and Knut L. Bjorn-Larsen v. Munsingwear, Inc., a CorporationCourt of Appeals for the Ninth Circuit · 1980
- General Electric Co. v. United StatesUnited States Court of Claims · 1978
- Duplan Corp. v. Deering Milliken, Inc.District Court, D. South Carolina · 1977
- Garter-Bare Co. v. Munsingwear, Inc.Court of Appeals for the Ninth Circuit · 1980
10 more not listed; retrieve them via the Exa API.