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Expert Testimony Patent Infringement

WilmerHale

Federal Circuit Patent Watch: An Expert Need Not Have Acquired the Requisite Skill Level Prior to the Time of the Invention

WilmerHale on

Precedential and Key Federal Circuit Opinions - WISCONSIN ALUMNI RESEARCH FOUNDATION v. APPLE INC. [OPINION] (2022-1884, 8/28/2024) (Prost, Taranto, and Chen) - Prost, J. The Court affirmed two final judgments of the...more

BakerHostetler

Patent Experts: No Ordinary Skill in the Art at the Time of Invention? No Problem!

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The hypothetical person with ordinary skill in the art will have a certain amount of requisite experience in the subject matter of the patent at the time of the invention of the patent....more

Baker Botts L.L.P.

Intellectual Property Report - August 2024

Baker Botts L.L.P. on

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

Baker Botts L.L.P. on

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

The $X Factor: Demystifying Damages Calculations

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed a district court’s decision to deny a defendant’s motion for a new trial on damages, finding that the plaintiff’s damages expert sufficiently showed that prior license...more

Akin Gump Strauss Hauer & Feld LLP

District Court Precludes Experienced Patent Attorney from Testifying as Expert Based on Lack of Pertinent Technical Expertise

A district court recently precluded a patent attorney from testifying as an expert in a patent infringement lawsuit where the proposed expert lacked the requisite technical expertise to assist the trier of fact in...more

Jones Day

PTAB Issues Sanctions for Attempted Extortion During “Settlement Negotiations”

Jones Day on

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

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

Fish & Richardson

Amended FRE 702 on Expert Testimony Effective December 1, 2023

Fish & Richardson on

Experts play a key role in patent litigation as they explain complex technical issues including infringement, validity, and damages to judges and juries. The persuasiveness of their testimony can often mean the difference...more

Knobbe Martens

Federal Circuit Review - October 2023

Knobbe Martens on

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

Sheppard Mullin Richter & Hampton LLP

Cyntec Company, Ltd. v. Chilisin Electronics Corp., Chilisin America Ltd. Nos. 2022-1873, (Fed. Cir. October 16, 2023)

This case is primarily about the Daubert standard as applied to expert testimony on damages. The Federal Circuit reversed the Northern District of California’s admission of expert testimony on damages, which relied on...more

Axinn, Veltrop & Harkrider LLP

A Tale of Two Experts

It was a tough day for opposing patent damages experts in Ecolab Inc. v. Dubois Chemicals, Inc., as Judge Andrews of the District of Delaware granted Daubert motions directed to both experts' reasonable royalty opinions. The...more

McDermott Will & Emery

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

McDermott Will & Emery on

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

Axinn, Veltrop & Harkrider LLP

Panduit: A Test for All Seasons

8 The Panduit test for determining lost profits in a patent case is almost fifty years old. The four-factor test doesn't exactly roll off the tongue, but it has persevered. Therefore, it is always of interest anytime there's...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions: Kyocera Senco Indus. Tools v. Int’l Trade Comm’n,...

The patent holder, Kyocera, filed a complaint in the International Trade Commission against Koki in Certain Gas Spring Nailer Prods. & Components Thereof, Inv. No. 337-TA-1082, 2020 WL 2093834 (Apr. 28, 2020). Kyocera’s...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

Knobbe Martens

Expert Testimony Inconsistent With Agreed-Upon Claim Construction Is Properly Stricken

Knobbe Martens on

TREEHOUSE AVATAR LLC v. VALVE CORPORATION - Before Lourie, Reyna, and Stoll. Appeal from the U.S. District Court for the Western District of Washington. Summary: The district court did not abuse its discretion in...more

Knobbe Martens

Expert Testimony That Contradicts Patent Specification Fails to Create a Genuine Issue of Fact in a Patent Eligibility Dispute

Knobbe Martens on

CAREDX, INC. V. NATERA, INC. Before Lourie, Bryson, and Hughes - Summary: Expert testimony that steps of challenged patent claims were unconventional failed to preclude summary judgment of ineligibility where...more

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

PTAB Strategies and Insights Newsletter: May 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

McDermott Will & Emery

Game Reset: Extrinsic Evidence Can’t Limit Claim Scope Beyond Scope Based on Unambiguous Intrinsic Evidence

The US Court of Appeals for the Federal Circuit reversed a district court’s grant of summary judgment of noninfringement after concluding that the district court erred by relying on expert testimony to construe a claim term...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - April 2022

Genuine Enabling Technology LLC v. Nintendo Co., Ltd., Appeal No. 2020-2167 (Fed. Cir. Apr. 1, 2022) - The Federal Circuit’s only precedential patent opinion this week turned on issues of claim construction. In...more

Sunstein LLP

It’s Not Complicated: Make Sure the Technical Expert You Retain to Testify About Infringement Has Credentials That Match the Level...

Sunstein LLP on

In infringement suits, the patentee must show that each element of a patent claim is infringed either literally by an accused product or infringed under the doctrine of equivalents. Literal infringement means the accused...more

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit: Narrow Definition of Skill in the Art Dooms Expert’s Testimony

In Kyocera Senco Industrial Tools Inc. v. International Trade Commission, the Federal Circuit held that an expert who did not possess the specific defined level of ordinary skill in the art could not testify about...more

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

2021 PTAB Year in Review: Analysis & Trends

[co-author: Jamie Dohopolski] Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed...more

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