News & Analysis as of

Means-Plus-Function Patent Invalidity Patent Litigation

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

Procopio, Cory, Hargreaves & Savitch LLP

The Continued Impact on Patent Prosecutors and Litigators of the Federal Circuit’s Expanded Treatment of Means Plus Function...

In a new precedential Federal Circuit decision, Kyocera Senco Industrial Tools Inc. v. ITC, that impacts both patent prosecutors and litigators, the court again demonstrated the reach of its recent expansion of language that...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

Inventor Removed From Patent May Be Restored Due to Claim Construction

Knobbe Martens on

EGENERA, INC. v. CISCO SYSTEMS, INC. Before Prost, Stoll, and Reyna. Appeal from the United States District Court for the District of Massachusetts. Summary: A patentee that successfully petitioned to correct a patent’s...more

Jones Day

Indefinite Patent at the ITC May Survive in District Court

Jones Day on

In a recent order issued in the Northern District of Texas, Judge Godbey denied a Defendant’s Rule 12(b)(6) motion despite the Federal Circuit’s holding that the asserted patent was invalid as indefinite. Hyosung TNS, Inc. v....more

Mintz - Intellectual Property Viewpoints

District Court denies motion to dismiss despite Federal Circuit’s finding of patent invalidity in appeal of parallel ITC...

On December 5, 2019, Judge David C. Godbey of the Northern District of Texas denied the defendant Diebold Nixdorf, Inc.’s (“Diebold”) motion to dismiss under Rule 12(b)(6), in Nautilus Hyosung Inc. v. Diebold, Inc. et al.,...more

Knobbe Martens

Federal Circuit Review - September 2018

Knobbe Martens on

Federal Circuit Finds Claims Issued from Reexamination Co-Pending with Appeal Ineligible Where the Changes Did Not Affect Section 101 Eligibility - In SAP AMERICA, Inc. v. InvestPic, LLC, Appeal No. 2017-2081, the...more

WilmerHale

Federal Circuit Patent Updates - June 2018

WilmerHale on

Impax Laboratories Inc. v. Lannett Holdings Inc. (No. 2017-2020, 6/28/18) (Lourie, Dyk, Taranto) - Lourie, J. Affirming judgment of no invalidity for claims related to nasal spray for treatment of migraine....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

Proskauer - New England IP Blog

Forecast Unfavorable for Inventory Software Patent

Ever since the Supreme Court’s decision in Alice Corp. v. CLS Bank shifted the contours of patent-eligible subject matter, district courts have wielded the two-part test set forth in that decision to dispatch scores of...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

Morrison & Foerster LLP

IP Newsletter - July 2015

In This Issue: - En Banc Federal Circuit Abandons “Strong” Presumption That a Limitation Is Not Subject to 35 U.S.C. § 112, Paragraph 6 - Supreme Court Rejects Belief of Invalidity Defense for Inducement in...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

Akin Gump Strauss Hauer & Feld LLP

IP Newsflash - June 2015 #2

DISTRICT COURT CASES - District Court Required Identification of Prior Art in Defendant’s Counterclaim of Invalidity - In the Southern District of New York, the court granted plaintiff’s motion to dismiss...more

Ballard Spahr LLP

Fed Circuit Decision Gives Broad Patents New Concerns

Ballard Spahr LLP on

The Federal Circuit Court of Appeals overruled prior precedent this week in Williamson v. Citrix Online, LLC and lowered the standard for patent invalidity under 35 U.S.C. § 112 (f)—the statute that requires functional claims...more

Kelley Drye & Warren LLP

En Banc Federal Circuit Broadens What Constitutes A Means-Plus-Function Limitation (Williamson V. Citrix)

Yesterday, the Federal Circuit issued a decision in Williamson v. Citrix that includes an en banc portion that broadens the circumstances in which claim limitations may be deemed means-plus-function limitations. This appears...more

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