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Patent Trial and Appeal Board Expert Testimony Patent Litigation

Akin Gump Strauss Hauer & Feld LLP

PTAB: Patent Drawings Without Precise Measurements May Be Relied Upon as Prior Art, but Only for What They Clearly Show

The Patent Trial and Appeal Board denied institution of an inter partes review petition because a prior art patent figure did not provide exact dimensions, and therefore could not meet the relevant claim limitation.  On...more

Baker Botts L.L.P.

Intellectual Property Report - August 2024

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Be an Expert: Precedential PTAB Decision on Conclusory Expert TestimonyStutti TilwaA recent precedential decision from the Patent Trial and Appeal Board (“PTAB”) may serve as a warning for those parties who plan on relying on...more

Baker Botts L.L.P.

Be an Expert: Precedential PTAB Decision on Conclusory Expert Testimony

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A recent precedential decision from the Patent Trial and Appeal Board (“PTAB”) may serve as a warning for those parties who plan on relying on expert declarations in their inter partes reviews (“IPR”). On August 24, 2022, the...more

McDermott Will & Emery

Is Evidence of All Claimed Elements in Prior Art Enough? Not Without Motivation to Combine

The US Court of Appeals for the Federal Circuit reversed a Patent Trial & Appeal Board obviousness decision, finding that disclosure in the prior art of all recited claim elements across multiple references, without more,...more

Jones Day

PTAB Issues Sanctions for Attempted Extortion During “Settlement Negotiations”

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Director Vidal recently issued sanctions against OpenSky Industries (“OpenSky”) for attempted extortion during settlement negotiations and abuse of the IPR process for US Patent 7,725,759 and awarded $413,264.15 to VLSI...more

Axinn, Veltrop & Harkrider LLP

Old Tricks/Bad Habits at the Federal Circuit

The Federal Circuit used to get a lot of flak for failing to defer to factual findings of the tribunal it was reviewing. My (highly unscientific) sense is that such criticism has eased somewhat, but I was reminded of it when...more

Manatt, Phelps & Phillips, LLP

Patent Office Director Designates Precedential Opinion on IPR Expert Evidence/Testimony

In Xerox Corp. v. Bytemark, Inc., the Director of the U.S. Patent and Trademark Office made precedential a prior decision of the Patent Trial and Appeal Board (the Board) over when an expert declaration from an inter partes...more

Knobbe Martens

Federal Circuit Review - October 2023

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Substantial Evidence in Determining Obviousness - In Schwendimann v. Neenah, Inc, Appeal No. 22-1335, the Federal Circuit held that the PTAB’s finding on obviousness is supported by substantial evidence that a skilled...more

McDermott Will & Emery

No Money, Mo’ Problems: Speculative Damages Award Cannot Stand

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The US Court of Appeals for the Federal Circuit upheld a district court’s claim construction and jury instructions but reversed a premature judgment as a matter of law (JMOL) on obviousness and an imprecise damages award....more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - October 2023 #3

Cyntec Company, Ltd. v. Chilisin Electronics Corp., Appeal No. 2022-1873 (Fed. Cir. Oct. 16, 2023) In this week’s Case of the Week, the Federal Circuit reversed and remanded a California district court’s judgment as a...more

McCarter & English, LLP

Patent Office Cancels Patents for Inadequate Voluntary Disclosure in IPRs

Inter partes reviews (IPRs) are litigation-like procedures held before the Patent Trial and Appeal Board (PTAB) of the United States Patent and Trademark Office that are used to challenge the validity of patents. Typically,...more

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

PTAB Strategies and Insights Newsletter - May 2023: Case Highlights: PTAB Precedential and Informative Decisions, Director Review...

This recurring feature highlights any new PTAB precedential and/or informative decisions, any new substantive Director review decisions, and any new substantive decisions issued by the Precedential Opinion Panel (POP). The...more

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

PTAB Strategies and Insights Newsletter - May 2023: Kyocera and the Brewing Debate Over Expert Qualifications at the PTAB

Technical experts play a key role in patent litigation, including in PTAB litigation. Indeed, experts are often the only witnesses to provide testimony in PTAB proceedings, and final written decisions often hinge on which...more

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

PTAB Strategies and Insights Newsletter - May 2023

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

Akin Gump Strauss Hauer & Feld LLP

PTAB Precedential Ruling: Expert Declaration Devoid of Supporting Evidence Dooms IPR Petition

The Patent Trial and Appeal Board recently rejected an inter partes review petition that relied on a conclusory and unsupported expert declaration. The expert’s written testimony, which repeated portions of the petition...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions: Almirall, LLC v. Amneal Pharmaceuticals LLC, 28...

Almirall’s patent claims recite: [a]bout 4% w/w of a polymeric viscosity builder comprising acrylamide/sodium acryloyldimethyl taurate copolymer…. The Board instituted an IPR on the patent, where the primary reference...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions: Best Medical Int’l, Inc. v. Elekta Inc., 46 F.4th...

Varian filed two petitions for IPR of BMI’s ’096 patent, which the Board instituted. Elekta filed copycat petitions and successfully joined Varian’s two instituted IPRs. A previously filed, parallel ex parte reexamination on...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

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

[Webinar] Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions - February 2nd, 1:00 pm - 2:00 pm EST

In conjunction with the release of the firm's year-in-review report, speakers will offer case summaries and analysis of the significant 2022 appellate rulings discussed in the report. Topics of the featured intellectual...more

Fitch, Even, Tabin & Flannery LLP

Federal Circuit Looks to Expert Testimony to Construe Patent with Ambiguous Intrinsic Record

On December 15, in Uniloc 2017 LLC v. Netflix, Inc. (nonprecedential), the Federal Circuit affirmed a Patent Trial and Appeal Board (PTAB) determination that a claim of Uniloc’s U.S. 6,584,229 patent was unpatentable as...more

McDermott Will & Emery

Bad Connection: Claim Construction Argument without Explanation Given No Weight

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The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board (Board) obviousness decision after finding that the patent owner failed to explain how its cited extrinsic evidence supported its proposed...more

Jones Day

Experts and Expert Testimony in PTAB Proceedings

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In a recent Boardside Chat webinar, a panel made up of PTAB judges and practicing attorneys discussed the use of experts and expert testimony in American Invents Act (AIA) proceedings. The panelists stressed that...more

Akin Gump Strauss Hauer & Feld LLP

PTAB Applies Director’s Guidance and Holds that Compelling Evidence of Unpatentability Precludes Fintiv Denial

In an IPR institution decision issued shortly after the USPTO issued interim guidance on discretionary denials, the PTAB held that the petition presented “compelling evidence of unpatentability,” foreclosing a Fintiv...more

McDonnell Boehnen Hulbert & Berghoff LLP

ClearOne, Inc. v. Shure Acquisition Holdings, Inc. (Fed. Cir. 2022)

Self-similarity is a characteristic found in many physical, natural, and human-made systems.  In short, it describes a class of structures or behaviors that are at least partially-invariant to time or scale.  Thus, these...more

Akin Gump Strauss Hauer & Feld LLP

Interim USPTO Guidance: Compelling Evidence of Unpatentability Forecloses Fintiv Denial

Key Points - On June 21, 2022, USPTO Director Katherine K. Vidal issued a memorandum titled “Interim Procedure for Discretionary Denials in AIA Post-Grant Proceedings With Parallel District Court Litigation.” Under...more

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