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Expert Testimony Claim Construction

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!

BakerHostetler on

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

Axinn, Veltrop & Harkrider LLP

Alexa: What Is Plain and Ordinary Meaning?

Is “milk” an item, or just a word? This question, among others, is set to be answered on January 12, 2024, as Freshub Inc. (Freshub) and Amazon.com, Inc. (Amazon) argue before the Federal Circuit (Nos. 22-1391, 2022-1425). ...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

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

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.

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

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

McDermott Will & Emery on

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

Haug Partners LLP

Treehouse Avatar LLC v. Valve Corp.: District Court Did Not Abuse Its Discretion in Striking Expert Testimony That Failed to Rely...

Haug Partners LLP on

I. Introduction - In Treehouse Avatar LLC v. Valve Corp., the Federal Circuit affirmed the Western District of Washington’s decisions to (i) strike portions of an expert report that failed to apply the parties agreed upon...more

McDermott Will & Emery

Game Over when Expert Fails to Use Correct Claim Construction

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit concluded that a district court did not abuse its discretion in striking expert testimony where the testimony did not rely on an agreed and court-adopted claim construction....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

Weintraub Tobin

District Court Considers Acceptable Limits to Attorney Participation in Drafting of Expert Reports

Weintraub Tobin on

In Munchkin, Inc. v. Tomy International, Inc., 1-18-cv-06337 (NDIL May. 24, 2022) the Court considered the permissible extent of attorney participation in the preparation of an expert report. The Court did so in response to...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: Editors' Introduction

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 patent litigation. In its first...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

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

PTAB Strategies and Insights: January 2022 - Federal Circuit Holds that Your Technical Expert Must be a POSA

In Kyocera Senco Industrial Tools Inc. v. International Trade Commission, the Federal Circuit held in a precedential opinion that expert witnesses must at least have ordinary skill in the art. Because Kyocera’s expert did not...more

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

PTAB Strategies and Insights: January 2022 - Does the Limit Exist?: Negative Limitations in Novartis v. Accord

In an appeal, Novartis Pharmaceuticals v. Accord Healthcare, Inc., the issue of whether a patent provides sufficient written description of a negative limitation split the panel at the Federal Circuit. Novartis...more

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

PTAB Strategies and Insights: January 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

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