News & Analysis as of

Patent Trial and Appeal Board Indefiniteness

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

WilmerHale

Federal Circuit Patent Watch: District Court’s “Seemingly Siloed and Inflexible Approach” to Obviousness “Ran Afoul” of KSR

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Precedential and Key Federal Circuit Opinions - 1.  JANSSEN PHARMACEUTICALS, INC. v. TEVA PHARMACEUTICALS USA, INC. [OPINION] (2022-1258, 2022-1307, 4/1/2024) (Dyk, Prost, and Hughes) - Prost, J. The Court affirmed...more

Knobbe Martens

Federal Circuit Review | March 2024

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Defining Indefiniteness: When Are Claim Limitations Contradictory? In Maxell, Ltd., v. Amperex Technology Limited, Appeal No. 23-1194, the Federal Circuit held that  two claim limitations are not contradictory if they...more

WilmerHale

Federal Circuit Patent Watch: Stick to the original idea in reissues

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Precedential Federal Circuit Opinions - IN RE: FLOAT'N'GRILL LLC [OPINION] (2022-1438, 7/12/2023) (Prost, Linn, and Cunningham) - Linn, J. The Court affirmed the Patent Trial and Appeal Board’s decision “affirming the...more

Sheppard Mullin Richter & Hampton LLP

2023 Federal Circuit Case Summaries

We are excited to share Sheppard Mullin’s inaugural quarterly report on key Federal Circuit decisions. The Spring 2023 Quarterly Report provides summaries of most key patent law-related decisions from January 1, 2023 to March...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions: Intel Corp. v. Qualcomm Inc., 21 F.4th 801 (Fed....

Intel filed three IPR petitions against Qualcomm’s ’949 patent, which is directed to “boot code” in a multi-processor system. Apple, who was not a party to any of the IPRs, uses Intel’s baseband processors in certain iPhone...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions

As part of the recovery from the global COVID-19 pandemic, the U.S. Court of Appeals for the Federal Circuit took steps to return to normal operations. It began requiring live oral arguments in August 2022 and, by November,...more

McDermott Will & Emery

Claim Construction and Jurisdictional Discovery Are More Than Skin Deep

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Referencing the use of antecedents from a “wherein” clause, the US Court of Appeals for the Federal Circuit reversed a district court’s claim construction and vacated its summary judgment ruling of indefiniteness that relied...more

McDermott Will & Emery

“Self-Similar” More Objective Than One Might Think

The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board (Board) decision holding that the term “self-similar” was not indefinite and denying leave to file a sanctions motion. ClearOne, Inc. v....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

Knobbe Martens

Federal Circuit Review - March 2021

Knobbe Martens on

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

Jones Day

District Court Indefiniteness Ruling Leads to Denial

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The PTAB exercised its discretion in Samsung Electronics Co., Ltd., v. Acorn Semi, LLC, IPR2020-01182, Paper 17 (Feb. 10, 2021) to deny inter partes review based on a district court finding the challenged claims indefinite....more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - March 2021 #2

Rain Computing, Inc. v. Samsung Electronics America, Inc., Appeal Nos. 2020-1646, -1656 (Fed. Cir. Mar. 2, 2021) - Our Case of the Week focuses on the issue of indefiniteness, and particularly, terms that are construed as...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - February 2021 #2

Amgen Inc. v. Sanofi, Appeal No. 2020-1074 (Fed. Cir. Feb. 11, 2021) - In this week’s Case of the Week, the Federal Circuit affirmed a district court’s JMOL ruling that asserted claims of two related pharmaceutical patents...more

Jones Day

Boardside Chat: SAS, MTAs, Fintiv, and Indefiniteness

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On January 28, 2021, the PTAB held a Boardside Chat webinar at which three PTAB judges discussed four recent developments related to America Invents Act (“AIA”) trials....more

Rothwell, Figg, Ernst & Manbeck, P.C.

The USPTO Clarifies its Approach to Indefiniteness in AIA Post-Grant Proceedings

Last month, in January 2021, the United States Patent and Trademark Office (“USPTO”) published a memorandum (the “January 2021 Memorandum”) clarifying how it will analyze claims for indefiniteness in AIA post-grant...more

McDermott Will & Emery

PTO: Board to Align Indefiniteness Approach in AIA and District Court Proceedings

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On January 6, 2021, US Patent and Trademark Office (PTO) Director Andrei Iancu, Commissioner for Patents Andrew Hirshfeld and Chief Administrative Patent Judge Scott Boalick issued a memorandum to the members of the Patent...more

BakerHostetler

The USPTO Harmonizes the Indefiniteness Standard Used for AIA Trials Making it More Difficult to Find a Claim Indefinite

BakerHostetler on

Recently, the United States Patent and Trademark Office (USPTO) issued a memorandum to the Patent Trial and Appeal Board (PTAB) requiring the PTAB to change the standard used to assess the definiteness requirement under 35...more

Jones Day

PTAB Adopts Nautilus Indefiniteness Standard

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In post-grant proceedings since 2018, the PTAB has applied the same claim construction standard as used in district court; a recent Memorandum confirms the PTAB will likewise apply the same standard that district courts use...more

Haug Partners LLP

USPTO Updates Indefiniteness Standard in AIA Post-Grant Proceedings to Match Those of the District Court Under Nautilus

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On January 6, 2021, the United States Patent and Trademark Office (“USPTO”) published a Memorandum that changed the indefiniteness analysis under 35 U.S.C. §112 that the Patent Trial and Appeal Board (“PTAB”) applies in...more

Dunlap Bennett & Ludwig PLLC

Most Notable Patent Decisions in the First Half of 2020

In the first half of 2020, several notable decisions further shaped the course of patent law, with rulings from the Supreme Court and Federal Circuit impacting PTAB proceedings, as described below...more

International Lawyers Network

Can Patent Claims be Cancelled Based on Indefiniteness by the PTAB during an IPR?

For the Patent and Trail Appeal Board (“PTAB”), the PTAB allows a petition for inter parties review (“IPR”) to request cancellation of claims in a U.S. patent. For an inter parties review of a patent, the PTAB institutes...more

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