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Indefiniteness Prior Art Patents

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

Morrison & Foerster LLP - Federal Circuitry

Recently in the Federal Circuit: More on Indefiniteness in IPRs

Means-plus-function claim elements can be a sticky wicket during an inter partes review, to borrow a phrase from the cricket lovers out there. These are claim elements drafted under 35 U.S.C. § 112(f) (or its predecessor...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

Establishing Indefiniteness Requires More Than Identifying “Unanswered Questions”

The US Court of Appeals for the Federal Circuit reversed a district court finding of indefiniteness for focusing solely on the language of the claims and ignoring the specification and prosecution history. Nature Simulation...more

Robins Kaplan LLP

Janssen Pharms., Inc. v. Teva Pharms. USA, Inc.

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Case Name: Janssen Pharms., Inc. v. Teva Pharms. USA, Inc., No. 18-cv-734, 2021 WL 5323737 (D.N.J. Nov. 16, 2021) (Cecchi, J.)  Drug Product and Patent(s)-in-Suit: Invega Sustenna® (paliperidone palmitate); U.S. Patent No....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

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

Knobbe Martens

Contradictory Positions Render Claims Indefinite

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Infinity Computer Products v. Oki Data Americas, Inc. Before Prost, Clevenger, and Taranto. Appeal from the U.S. District Court for the District of Delaware. Summary: Contradictory positions taken during prosecution...more

Goodwin

ITC 337 Quarterly Insider Q2 2020

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Goodwin’s 337 Quarterly Insider remains the premiere publicly available source for keeping up to date on all meaningful decisions coming out of the Commission. Please find below Goodwin’s insights on the months of April, May,...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

Knobbe Martens

Federal Circuit Review - February 2020

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PTAB May Not Cancel Claims on the Grounds of Indefiniteness in an IPR Proceeding - In Samsung Electronics America v. Prisua Engineering Corp., Appeal No. 19-1169, the Federal Circuit held that the Patent Trial and Appeal...more

Goodwin

Issue Twenty-Four: PTAB Trial Tracker

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The availability of post-grant proceedings at the Patent Trial and Appeal Board (PTAB) has changed the face of patent litigation. This monthly digest is designed to keep you up-to-date by highlighting interesting PTAB,...more

Jones Day

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

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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

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - February 2020 #2

PATENT CASE OF THE WEEK - Samsung Electronics America, Inc. v. Prisua Engineering Corp., Appeal No. 2019-1169, -1260 (Fed. Cir. Feb. 4, 2020) - Our case of the week concerns issues particular to inter partes review...more

Knobbe Martens

PTAB May Not Cancel Claims on the Grounds of Indefiniteness in an IPR Proceeding

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SAMSUNG ELECTRONICS AMERICA v. PRISUA ENGINEERING CORP. Before Prost, Newman, and Bryson. Appeal from the Patent Trial and Appeal Board. Summary: The Patent Trial and Appeal Board (“PTAB”) may not cancel claims on the...more

Troutman Pepper

The PTAB Definitely Cannot do That

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Samsung Electronics America, Inc. v. Priusa Engineering Corp., Appeal Nos. 2019-1169, -1260 (Fed. Cir. Feb. 4, 2020). Samsung filed an IPR petition against claims 1-4, 8 and 11 of U.S. Patent No. 8,650,591 owned by Priusa....more

Mintz - Intellectual Property Viewpoints

PTAB allows Amending Claims on Grounds not raised by Petitioner, but were Addressed by the District Court in its Finding of...

To amend challenged claims during an Inter Partes Review (IPR), the patent owner must show that the proposed amendment responds to a ground of unpatentability at issue in the IPR trial. But in a recent final written decision...more

Bradley Arant Boult Cummings LLP

The Risk of Using “Consisting Essentially of” in Patent Claims

The legal meaning of the transition language “consisting essentially of” is well-established in Federal Circuit case law and is generally construed to mean that the composition or formulation (a) necessarily includes the...more

Sheppard Mullin Richter & Hampton LLP

“Addressing Video Game Claims Under the Phillips Standard at the PTAB”

Last fall, the PTAB modified its procedures for IPR claim construction, eliminating the use of the broadest reasonable interpretation standard. Since the rule change last year, companies challenging the validity of patents at...more

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

PTAB Strategies and Insights - May 2019: Court's Infringement Indefiniteness Does Not Dictate Validity Indefiniteness at PTAB

In IPR2018-00272, the Board denied a motion to terminate brought by a Patent Owner who argued that a district court’s finding of indefiniteness required termination of the PTAB proceedings for U.S. Patent. 9,393,208....more

Foley & Lardner LLP

District Court Finds PK Targets Of VIMOVO Patents Indefinite

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In an opinion issued November 19, 2018, Judge Chesler of the U.S. District Court for the District of New Jersey found two Orange Book-listed patents for VIMOVO® invalid for indefiniteness in the way certain pharmacokinetic...more

Jones Day

After SAS, Indefinite Claims Can Be A Definite Problem For IPR Petitioners

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The definiteness requirement for patent claims is set forth in Section 112(b), mandating that a patent specification conclude with one or more claims “particularly pointing out and distinctly claiming subject matter which the...more

Schwabe, Williamson & Wyatt PC

Fresh From the Bench - August 2018 #2

PATENT CASE OF THE WEEK - Click-to-Call Technologies, LP v. Ingenio, Inc., Appeal No. 2015-1242 (Fed. Cir. Aug. 16, 2018) In an appeal of an inter partes review, the Federal Circuit reviewed for the first time the...more

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