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Patent Trial and Appeal Board Means-Plus-Function

WilmerHale

Disclosure of Antibody’s Equivalents Not Necessary to Satisfy Written Description and Indefiniteness Requirements for a...

WilmerHale on

The United States Patent and Trademark Office’s (“USPTO”) Appeals Review Panel (“the Panel”) recently clarified that means-plus-function claims do not require that the specification disclose equivalents. See Ex parte...more

Goodwin

The Appeals Review Panel’s In Re Xencor Decision: The USPTO Provides Its Position on Written Description and Means-Plus-Function...

Goodwin on

On May 17, 2024, an Appeals Review Panel (ARP) of the United States Patent and Trademark Office (“USPTO”) released its decision in Ex parte Chamberlain (referred to in Federal Circuit proceedings as In re Xencor;...more

Womble Bond Dickinson

USPTO Addresses Ambiguities in Means-Plus-Function, Step-Plus-Function Claims

Womble Bond Dickinson on

United States Patent and Trademark Office (USPTO) officials recently reiterated to all patent examiners that they must provide clear, consistent analysis regarding means-plus-function and step-plus-function limitations. ...more

McDermott Will & Emery

Decoding Algorithms: Structural Sufficiency for Means-Plus-Function Claim Judged From Skilled Artisan’s Perspective

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit reiterated that in the context of construing computer-implemented means-plus-function limitations, if the specification discloses some arguable algorithm, even if a party...more

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

PTAB Strategies and Insights Newsletter - March 2022

The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...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

Fitch, Even, Tabin & Flannery LLP

Indefiniteness Does Not Necessarily End PTAB’s Patentability Inquiry

On December 28, in Intel Corp. v. Qualcomm Inc., the Federal Circuit held that the Patent Trial and Appeal Board (PTAB) may not decline to consider the patentability of a claim challenged in an inter partes review (IPR)...more

Morrison & Foerster LLP - Federal Circuitry

Last Two Weeks in the Federal Circuit (December 27 - January 7)

The Federal Circuit is holding its first argument session of 2022 this week (with a return to telephonic arguments in light of the Omicron variant).  In this post, we take a look back at how the Court closed out 2021 and...more

McDermott Will & Emery

Improper Claim Construction Requires Partial Remand of Obviousness Determination

The US Court of Appeals for the Federal Circuit issued decisions in two separate inter partes reviews (IPRs), one involving a patent related to radio frequency communication systems and the other involving a patent related to...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - January 2022

Intel Corp. v. Qualcomm Inc., Appeal Nos. 2020-1828, -1867 (Fed. Cir. Dec. 28, 2021) - The Federal Circuit issued two precedential decisions this week—both arising from IPRs filed by Intel against patents owned by...more

Morrison & Foerster LLP - Federal Circuitry

Last Week in the Federal Circuit (July 26-30): Sua sponte claim construction

The Federal Circuit has its August sitting this week—its last before September’s scheduled return to in-person arguments. Before taking the virtual bench for the final time, the Court issued six opinions last week. Below we...more

Knobbe Martens

Federal Circuit Review - March 2021

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Corresponding Structure Snafu: Lack of Algorithm Renders Claims Indefinite - In Rain Computing, Inc. v. Samsung Electronics Co. Ltd., Appeal No. 20-1646, the Federal Circuit held that the structure for performing a...more

Mintz - Intellectual Property Viewpoints

Tip #2 for Avoiding IPR Institution: Focus on a few arguments that will affect all challenged claims

If you are a patent owner facing an inter partes review (“IPR”) or other post-grant review at the Patent Trial and Appeal Board (“PTAB”), your best chance of success is to convince the PTAB not to institute a trial. But that...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

Morrison & Foerster LLP - Federal Circuitry

Last Week in the Federal Circuit (August 24-28): No Judicial Estoppel from Inventorship About-Face

Last week the summer was winding down and the Federal Circuit was gearing up for its September argument session. But the Court still found time to hand down a number of decisions—17 in total. Below we provide our usual weekly...more

Jones Day

Black Box Structure Insufficient for MPF Element

Jones Day on

In Samsung Elecs Co., Ltd., et al. v. Cellect, LLC, IPR2020-00474, Paper 14 (P.T.A.B. Aug. 17, 2020), the PTAB denied institution of U.S. Patent No. 6,982,740 (“the '740 patent”), finding that the specification did not...more

Jones Day

Failure to Identify MPF Structure Tanks Petition

Jones Day on

On June 18, 2020, the PTAB denied an IPR petition because the Petitioner failed to sufficiently construe the means-plus-limitations of the challenged claims. Mattersight Corporation (“Mattersight”) owns the challenged...more

Knobbe Martens

Federal Circuit Clarifies Not All § 112 ¶ 6 Indefiniteness Prevents Prior Art Invalidity Analysis by PTAB

Knobbe Martens on

COCHLEAR BONE ANCHORED SOLUTIONS AB V. OTICON MED. AB - Before Taranto, O’Malley, and Newman. Appeal from the Patent Trial and Appeal Board. Summary: Anticipation and obviousness analysis by the PTAB is not impossible...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - May 2020 #3

PATENT CASE OF THE WEEK - Schwendimann v. Arkwright Advanced Coating, Inc., Appeal Nos. 2018-2416, et al. (Fed. Cir. May 5, 2020) (unsealed May 13, 2020) - In this recently unsealed precedential opinion, the Federal...more

Jones Day

MPF – Corresponding Structure = Trouble For Petitioners

Jones Day on

Means-plus-function claim limitations can present troublesome § 112 issues for IPR petitioners, and a recent PTAB decision further demonstrates how § 112 problems can derail an IPR petition. Samsung Electronics America, Inc....more

Jones Day

CAFC Holds PTAB May Not Cancel Claims For Indefiniteness In An IPR

Jones Day on

The Federal Circuit’s recent decision in Samsung Electronics America, Inc. v. Prisua Engineering Corp., — F.3d —, 2020 WL 543427, at *4 (Fed. Cir. Feb. 4. 2020), could not be more clear: “[W]e hold that the Board may not...more

Foley & Lardner LLP

PTAB Cannot Invalidate Challenged Claims for Indefiniteness in an IPR

Foley & Lardner LLP on

The Federal Circuit definitively rejected arguments to cancel challenged claims for reasons other than anticipation or obviousness in an inter partes review proceeding. In Samsung Electronics America, Inc., v. Prisua...more

McDermott Will & Emery

Sharp Turnaround on Applicability of § 112, ¶6 Analysis

McDermott Will & Emery on

Addressing the applicability of 35 USC § 112, ¶6 to the term “mechanical control assembly,” the US Court of Appeals for the Federal Circuit found that the Patent Trial and Appeal Board (PTAB) gave undue weight to the patent’s...more

McDermott Will & Emery

Algorithm Required Where Corresponding Structure to Means-Plus-Function Term Is Computer-Implemented

The US Court of Appeals vacated a Patent Trial and Appeal Board (PTAB) obviousness decision, finding that the disputed means-plus-function term was computer-implemented and therefore required the corresponding structure to...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - May 2019 #4

PATENT CASE OF THE WEEK - Papst Licensing GMBH & Co. KG v. Samsung Electronics America, Inc., Appeal No. 2018-1777 (Fed. Cir. May 23, 2019) - In a sternly-worded decision this week, the Federal Circuit held claims to...more

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