Legal Opinion
Katz v. American Airlines, Inc.
Court of Appeals for the Federal Circuit
Decided February 18, 2011No. Nos. 2009-1450, 2009-1451, 2009-1452, 2009-1468, 2009-1469, 2010-1017PublishedCited by 130 opinions
1Opinion of the Court
BRYSON, Circuit Judge.
In this multi-district litigation patent case, the plaintiff Ronald A. Katz Technology Licensing LP (“Katz”) appeals from final judgments entered by the United States District Court for the Central District of California in a group of consolidated cases. The judgments held numerous claims from Katz’s patent portfolio either invalid or not infringed. We affirm in part, vacate in part, and remand.
I
Katz owns a number of patents on interactive call processing systems and call conferencing systems. The 14 patents that Katz asserts in this appeal all relate to interactive call…
2Cases cited26 opinions
- Mathews v. EldridgeSupreme Court of the United States · 1976
- Texas Department of Community Affairs v. BurdineSupreme Court of the United States · 1981
- In Re Phenylpropanolamine (Ppa) Products Liability Litigation, Shantell Allen, on Behalf of Allen, Vera v. Bayer Corporation, Leon Anderson, Jr. v. Bayer Corporation, Leslie Ackel v. Bayer Corporation, Bridgett Arrington v. Bayer Corporation, Calvin McGriggs v. Delaco Company, Betty Clinton v. Delaco Company, Donna Sasseen v. Ide Interstate Inc., Elizabeth Page v. Bayer Corporation, Marie Riley v. Wyeth, Obo Itself and Its Unincorporated Division, Wyeth Consumer Healthcare, Fka Whitehall-Robins Healthcare Formerly Known as American Home Products Corporation, and Keva K. Alford, on Behalf of All Wrongful Death Beneficiaries of Henry Dexter, and Eddie Bullock v. Wyeth, Obo Itself and Its Unincorporated Division, Wyeth Consumer Healthcare, Fka Whitehall-Robins Healthcare Formerly Known as American Home Products Corporation, and Novartis Pharmaceuticals Corporation, Bobby Holmes v. Bayer Corporation, Melody McDaniel v. Wal-Mart Stores, Inc., Samantha Samuels v. Bayer CorporationCourt of Appeals for the Ninth Circuit · 2006
- KSR International Co. v. Teleflex Inc.Supreme Court of the United States · 2007
- Cardinal Chemical Co. v. Morton International, Inc.Supreme Court of the United States · 1993
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3Cited by130 opinions
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- Blue Calypso, LLC. v. Groupon, Inc.Court of Appeals for the Federal Circuit · 2016
- Mastermine Software, Inc. v. Microsoft CorporationCourt of Appeals for the Federal Circuit · 2017
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