News & Analysis as of

Patent Invalidity Means-Plus-Function

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

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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

McDermott Will & Emery

Logic to Modify: Even Deceptive Intent Does Not Bar Inventorship Correction

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit vacated a district court invalidity determination finding that judicial estoppel prevented a patent owner from relisting an inventor previously removed for strategic litigation...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

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Patent Prosecution Tool Kit: Capturing After-Discovered Embodiments in Biotech Patents by Careful Prosecution

A Maddening Habit  - Biotechnology is an unpredictable science. When its practitioners wish to enforce their patents, they often run into a serious problem. Unlike chemists or pharmacologists, who for a century or so have...more

McDermott Will & Emery

Prior Art-Based Invalidity Analysis May Be Possible for Indefinite Claim

McDermott Will & Emery on

Addressing a decision by the US Patent and Trademark Office’s Patent Trial and Appeal Board (Board) declining to find certain claims unpatentable because they contained means-plus-function elements without any corresponding...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

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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

Knobbe Martens

Diebold Nixdorf, Inc. v. ITC

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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

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.

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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

Knobbe Martens

Federal Circuit Review - August 2017

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District Court Abused Discretion in Ignoring Federal Circuit Mandate to Reconsider Attorneys’ Fees Under Octane Fitness - In Adjustacam, LLC v. Newegg, Inc., Appeal No. 2016-1882, the Federal Circuit held that a district...more

McDermott Will & Emery

Skky Found the Limit for “Means” Terms

The US Court of Appeals for the Federal Circuit agreed that the Patent Trial and Appeal Board (PTAB) did not err in its conclusions that a claim element reciting “means” did not invoke § 112 ¶ 6 and that the challenged claims...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

Knobbe Martens

Federal Circuit Review | July 2015

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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

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

Womble Bond Dickinson

Practical Claim and Specification Drafting, Following Williamson v. Citrix

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Patent claims that use so-called “nonce words” in lieu of means plus function language can be correctly construed as applying the equivalent of means plus function language under 35 USC §112, sixth paragraph, and can be...more

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