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Appeals Expert Testimony

McDermott Will & Emery

Smart Choice: Survey Design Didn’t Render Survey Unreliable

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Underscoring its faith in a jury’s competency to use its “common sense and experience” in evaluating evidence, the US Court of Appeals for the Ninth Circuit affirmed a district court’s judgment in favor of the defendants in a...more

McDermott Will & Emery

The $X Factor: Demystifying Damages Calculations

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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

McDermott Will & Emery

Late Expert Report Dooms Copyright Case

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The US Court of Appeals for the Sixth Circuit weighed in for a third time on an eight-year copyright battle, this time finding that a district court did not abuse its discretion in excluding the plaintiff’s proposed expert or...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

Proskauer - Minding Your Business

New California Evidentiary Standard Makes Admitting Defense Expert Testimony More Challenging

California’s evidentiary rules have changed. As of January 1, 2024, defense expert testimony in medical causation cases is subject to a higher threshold....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

Goldberg Segalla

NJ Appellate Court Reverses $223.8 J&J Talc Verdict on Causation Grounds

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Court: The Superior Court of New Jersey, Appellate Division - Johnson & Johnson has successfully appealed a $223.8 judgment against it following a trial involving allegations of asbestos-contaminated talcum powder in...more

Bradley Arant Boult Cummings LLP

Court Allows Expert Testimony Regarding Measured Mile Analysis Comparing Work on Different Projects

Loss of productivity damages are commonly estimated using a “measured mile” analysis, which compares unimpacted construction work to work which has been disrupted to determine the cost impact of the disruption. Such analyses...more

McDermott Will & Emery

Breaking Up Is Hard to Do: Validity Upheld Based on Expert Separation Testimony

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The US Court of Appeals for the Federal Circuit affirmed a district court decision finding that two patents covering enantiomerically pure compositions of the psoriasis drug Otezla® (apremilast) were valid and one patent...more

Jenner & Block

Client Alert: Fifth Circuit Guidance for Newly-Offered Expert Opinions and the Concurrent Causation Doctrine in Insurance Coverage...

Jenner & Block on

The United States Court of Appeals for the Fifth Circuit’s recent opinion in Majestic Oil, Inc. v. Certain Underwriters at Lloyd's, London Subscribing to Policy Number W1B527170201, No. 21-20542 (5th Cir. Mar. 17, 2023),...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

McDermott Will & Emery

Game Over when Expert Fails to Use Correct Claim Construction

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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

Fox Rothschild LLP

What Rulings Should You Include in a Notice of Appeal?

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For both civil and criminal appeals, the North Carolina Rules of Appellate Procedure require an appealing party who is filing a written notice of appeal to identify “the judgment or order from which appeal is taken.”...more

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

PTAB Strategies and Insights Newsletter: May 2022: Split Panel Weighs General Skepticism Differently in Obviousness Inquiry

In a recent opinion by the Federal Circuit, Auris Health, Inc. v Intuitive Surgical Operations, Inc., Case 2021-1732, the panel split on the weight of general industry skepticism in an obviousness analysis and split on...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

Nutter McClennen & Fish LLP

Massachusetts Court Bars “Reasonable Royalty” Evidence Based on Law of the Case Doctrine

After successfully appealing a judgement and obtaining a remand of its Chapter 93A claim to the Massachusetts BLS, the Governo Law Firm moved to admit expert testimony about a “reasonable royalty” measure of damages. Governo...more

Faegre Drinker Biddle & Reath LLP

It’s not what happened, but why: First Circuit rejects conclusory, unsupported expert opinions

It is not uncommon for an opposing expert to opine that the existence of injury alone implies negligence, nor is it unusual to find that such opinions are supported only by general reliance on “literature” with no discernible...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

Bradley Arant Boult Cummings LLP

30(b)(6) vs. 702 – Is Your Witness a Party or an Expert?

Earnest v. Sanofi U.S. Services et al, U.S. Circuit Court of Appeals for the Fifth Circuit, No. 20-30184 (Feb. 10, 2022) - The plaintiff sued Sanofi U.S. Services, Inc. and Sanofi-Aventis U.S., LLC in the Eastern District...more

Smith Debnam Narron Drake Saintsing & Myers,...

Court Of Appeals Clarifies That Expert Testimony Required in Nearly All Faulty Construction Cases

In a recent decision touching on many interesting issues, North Carolina’s Court of Appeals effectively determined that, in all but the most obvious cases, expert testimony is required to establish a failure to perform...more

Fitch, Even, Tabin & Flannery LLP

Federal Circuit Nails Unqualified Expert

On January 21, in Kyocera Senco Industrial Tools Inc. v. ITC, the Federal Circuit found that the patent owner’s expert witness on infringement was unqualified under the definition of the level of ordinary skill in the art...more

Knobbe Martens

A Generic Motivation Is Still a Motivation

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INTEL CORPORATION v. QUALCOMM INCORPORATED - Before Prost, Taranto, and Hughes. Appeal from the Patent Trial and Appeal Board. Summary: A “generic” motivation to combine that has broad appeal or applicability is not...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - August 2021 #5

MLC Intellectual Property, LLC v. Micron Technology, Inc., Appeal No. 2020-1413 (Fed. Cir. Aug. 26, 2021) - For those interested in an important Section 112 written description case, we recommend reading the Juno...more

Faegre Drinker Biddle & Reath LLP

Eleventh Circuit Holds Expert Qualified in Surgical Tool Suit Despite Lack of Experience Using the Product

The Eleventh Circuit recently reinstated a case alleging a surgical tool caused internal burns during a hysterectomy surgery, holding that the district court erred in disqualifying an expert on the basis that he had never...more

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