News & Analysis as of

Means-Plus-Function Indefiniteness Patent Invalidity

McDermott Will & Emery

“Payment Handler”: A Nonce Term Without Instructions

The US Court of Appeals for the Federal Circuit affirmed a district court’s ruling that a software term was a “nonce” term that invoked 35 U.S.C. § 112, sixth paragraph (i.e., a means-plus-function claim element). The Court...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Fintiv, Inc. v. Paypal holdings, Inc.

Fintiv, Inc. v. Paypal holdings, Inc., Appeal No. 2023-2312 (Fed. Cir. Apr. 30, 2025) In its only precedential patent opinion last week, the Federal Circuit affirmed a district court’s determination that the terms “payment...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - March 2022 #4

Hunting Titan, Inc. v. DynaEnergetics Europe GMBH, Appeal Nos. 2020-2163, -2191 (Fed. Cir. March 24, 2022) - In a notable review of the USPTO’s new Precedential Opinions Panel, the Federal Circuit discussed the...more

Mintz - Intellectual Property Viewpoints

Failing to Adequately Support a Means-Plus-Function Claim Term Renders a Claim Invalid

Claim language is important. Particularly when dealing with software systems, claims may be held invalid as being indefinite when the claim language is characterized as “means-plus-function” under pre-AIA 35 U.S.C. §112 ¶ 6...more

Morrison & Foerster LLP - Federal Circuitry

Last Week in the Federal Circuit (March 1-5): Purely Functional Claiming And Means-Plus-Function Elements

Last week was argument week, and the Federal Circuit previewed its new YouTube channel for streaming live arguments (sadly, audio only for now).  Still, that didn’t slow the Federal Circuit down in issuing opinions, including...more

Knobbe Martens

Corresponding Structure Snafu: Lack of Algorithm Renders Claims Indefinite

Knobbe Martens on

RAIN COMPUTING, INC. v. SAMSUNG ELECTRONICS CO. LTD. Before Lourie, Dyk, and Moore. Appeal from the United States District Court for the District of Massachusetts. Summary:  The structure for performing a function of...more

Knobbe Martens

Diebold Nixdorf, Inc. v. ITC

Knobbe Martens on

Federal Circuit Summary - Before Prost, Bryson, and O’Malley. Appeal from the United States International Trade Commission (“ITC”). Summary: Evidence intrinsic to a patent may be sufficient to overcome the presumption...more

Knobbe Martens

Zeroclick, LLC v. Apple Inc.

Knobbe Martens on

Federal Circuit Summaries - Before Reyna, Taranto, and Hughes. Appeal from the Northern District of California. Summary: Failure to use the word “means” creates a rebuttable presumption that the term is not a...more

Schwabe, Williamson & Wyatt PC

2017 Supreme Court and Precedential Patent Cases From the Federal Circuit, With Some Significant Cases from 2016

Arbitration - Waymo v. Uber Technologies, 870 F.3d 1342 (Fed. Cir. 2017) - Waymo sued Uber and others for trade secret misappropriation and patent infringement. Uber contends that Waymo should be compelled to...more

McDonnell Boehnen Hulbert & Berghoff LLP

Driessen v. Sony Music Entertainment (Fed. Cir. 2016)

On February 10, 2016, the Federal Circuit issued a nonprecedential opinion in a case captioned Driessen v. Sony Music Entertainment, Best Buy Stores, Fye, & Target Corp. addressing issues related to means-plus-function claims...more

McDonnell Boehnen Hulbert & Berghoff LLP

Media Rights Technologies, Inc. v. Capital One Financial Corp. (Fed. Cir. 2015) - Broad Claim Terms and Inadequate Support in...

In Media Rights Technologies, Inc. v. Capital One Financial Corp. (September 4, 2015), the Federal Circuit first transformed a broadly described element in a claim into a means-plus-function claim term, and then found the...more

Knobbe Martens

Federal Circuit Review | July 2015

Knobbe Martens on

Nunc Pro Tunc Assignments Insufficient To Confer Retroactive Standing - In ALPS SOUTH, LLC v. OHIO WILLOW WOOD CO., Appeal Nos. 2013-1452, 2013-1488, 2014-1147, and 2014-1426, the Federal Circuit reversed the denial of a...more

McDermott Will & Emery

Only Basic Functions of a Processor Avoid Need for Disclosed Algorithm - EON Corp. IP Holdings LLC v. AT&T Mobility LLC

Addressing the question of what corresponding structure must be disclosed to support a means-plus-function claim element, the U.S. Court of Appeals for the Federal Circuit upheld a district court finding that eight...more

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