News & Analysis as of

Appeals Summary Judgment Claim Construction

Sheppard Mullin Richter & Hampton LLP

Federal Circuit Addresses District Court Oversight of Expert Testimony on Infringement

In Steuben Foods Inc. v. Shibuya Hoppmann Corporation, the Federal Circuit addressed the boundaries a district court may impose on experts by deeming their testimony wrong as a matter of law. Background - Steuben Foods...more

Sheppard Mullin Richter & Hampton LLP

Federal Circuit Vacates Summary Judgement: Limitations from Specifications Should Not Have Been Imported Into the Claims

The Federal Circuit vacated and remanded the district court’s summary judgement of noninfringement, finding that the lower court had improperly construed the claim term “pull cord.” The district court had erroneously limited...more

Proskauer - The Patent Playbook

Federal Circuit Affirms That Expert Testimony Must Be Based on Competent and Reliable Evidence

Mirror Worlds Technologies, LLC (“Mirror Worlds”) sued Meta Platforms, Inc. (“Meta”)—formerly Facebook, Inc.—in the Southern District of New York for patent infringement. The lawsuit involved three patents related to storing,...more

McDermott Will & Emery

Get a Grip: Not All Cords Have Handles

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The US Court of Appeals for the Federal Circuit vacated a district court’s grant of summary judgment of noninfringement because the district court improperly narrowed a claim term during its construction. IQRIS Technologies...more

McDonnell Boehnen Hulbert & Berghoff LLP

DNA Genotek Inc. v. Spectrum Solutions LLC (Fed. Cir. 2025)

Sometimes important contributions to innovation can come from the mundane rather than the extraordinary. One (perhaps apocryphal) example comes from the story of the early development of television by Philo Farnsworth (the...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Steuben Foods, Inc. v. Shibuya Hoppman Corp.

Steuben Foods, Inc. v. Shibuya Hoppman Corp., Appeal No. 2023-1790 (Fed. Cir. Jan. 24, 2025) In its only precedential patent decision this week, the Federal Circuit addressed an “anachronistic exception, long mentioned but...more

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

2024 Design Patents Year in Review: Analysis & Trends: District Court Design Patent Cases: A Busy Year of Case Filings

2024 was another busy year for district court decisions! There were multiple jury trials, case-dispositive design patent decisions, and claim construction decisions across a range of venues and at a range of case postures. We...more

Fenwick & West LLP

Key Federal Circuit Patent Rulings Impacting Your Business - Recent Rulings - January 2025

Fenwick & West LLP on

Contour IP v. GoPro: Federal Circuit Offers Insight into Alice’s Step One Analysis. In Contour IP v. GoPro, the Federal Circuit reversed a summary judgment order invalidating two of Contour IP’s patents directed to...more

Knobbe Martens

Federal Circuit Review | December 2024

Knobbe Martens on

Bound to Happen: Inherent Property Leaves No Question of Reasonable Expectation of Success - In Cytiva Bioprocess R&D Ab v. Jsr Corp., Appeal No. 23-2074, the Federal Circuit held that a claim limitation merely reciting an...more

McDermott Will & Emery

Equivalence Requires Element-by-Element Proof With Linking Argument

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The US Court of Appeals for the Federal Circuit affirmed a district court determination that a patent owner had not provided the “particularized testimony and linking argument” required to demonstrate equivalence under the...more

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

Federal Circuit IP Appeals: Summaries of Key 2023 Decisions (8th Edition): Columbia Sportswear N. Am., Inc. v. Seirus Innovative...

Columbia sued Seirus, claiming that Seirus’s HeatWave products infringe Columbia’s ’093 design patent for “Heat Reflective Material.” The patent claims “[t]he ornamental design of a heat reflective material, as shown and...more

McDermott Will & Emery

Espresso Yourself: When Prosecution History as a Whole Doesn’t Demonstrate Clear, Unmistakable Disclaimer

The US Court of Appeals for the Federal Circuit reversed and remanded a district court’s claim construction and related summary judgment rulings after determining that the district court erred in construing a claim term by...more

McDermott Will & Emery

Downloaded: No Relief From Stipulated Claim Construction

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit ruled that a claim interpretation that flows naturally from the parties’ stipulated claim construction is binding on the parties even if the interpretation reads preferred...more

Sheppard Mullin Richter & Hampton LLP

OneSubsea IP UK Ltd. v. FMC Tech., Inc., No. 22-1099 (Fed. Cir. May 23, 2023)

This case addresses the proper standard for an appeal of a discretionary decision by a successor judge as well as requests for attorneys’ fees under 35 U.S.C. § 285 and certain circumstances that do not make a case...more

Sheppard Mullin Richter & Hampton LLP

2023 Federal Circuit Case Summaries

We are excited to share Sheppard Mullin’s inaugural quarterly report on key Federal Circuit decisions. The Spring 2023 Quarterly Report provides summaries of most key patent law-related decisions from January 1, 2023 to March...more

McDermott Will & Emery

It’s All in the Grammar: “A” Still Means “One or More,” but Single Component Must Perform All Claimed Functions

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The US Court of Appeals for the Federal Circuit affirmed a jury’s noninfringement verdict, finding that the district court correctly interpreted the article “a” and antecedent “said” in the asserted claims to require that a...more

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

2022 Design Patents Year in Review: Analysis and Trends: US District Courts: A Busy Year for Design Patents, Including a $17M Jury...

Last year, in our inaugural issue of “The Year in Review,” we reported that since the landmark jury verdict in the IP litigation between Apple and Samsung in 2012, which awarded more than $1B to Apple for infringement of...more

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

2022 Design Patents Year in Review: Analysis & Trends

Last year, in our inaugural issue of “The Year in Review,” we reported that since the landmark jury verdict in the IP litigation between Apple and Samsung in 2012, which awarded more than $1B to Apple for infringement of...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - December 2022 #4

Mosaic Brands, Inc. v. Ridge Wallet LLC, Appeal Nos. 2022-1001, -1002 (Fed. Cir. Dec. 20, 2022) - In our Case of the Week, the Federal Circuit discussed the corroboration requirement concerning the amount of evidence...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

McDermott Will & Emery

Family Matters, but Only Sometimes if Claim Construction Is Involved

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The US Court of Appeals for the Federal Circuit reversed a district court’s claim construction, explaining that the use of a restrictive term in a definition in an earlier application does not reinstate that term in a later...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - September 2022 #3

Polaris Innovations Ltd. v. Brent, Appeal No. 2019-1483 (Fed. Cir. Sept. 15, 2022) - In our Case of the Week, the Federal Circuit provided what appears to be its first precedential opinion construing Section 317 of the...more

McDermott Will & Emery

Claim Construction and Jurisdictional Discovery Are More Than Skin Deep

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Referencing the use of antecedents from a “wherein” clause, the US Court of Appeals for the Federal Circuit reversed a district court’s claim construction and vacated its summary judgment ruling of indefiniteness that relied...more

Fitch, Even, Tabin & Flannery LLP

Failure to Raise Claim Construction Issue at Jury-Instruction Phase Constituted Forfeiture

On May 20, in Michael Philip Kaufman v. Microsoft Corporation, the Federal Circuit issued an opinion illustrating the importance of raising claim construction disputes at trial to avoid forfeiting arguments in post-verdict...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

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