News & Analysis as of

Patent Validity Appeals Patent Trial and Appeal Board

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

The Evolution of “New” in the “Substantial New Question” Standard in Patent Reexamination

As the Patent Trial and Appeal Board and the Acting USPTO Director refocus challengers, and with them Patent Owners, towards reexamination from inter partes review proceedings, the need to understand the nuance of “new” in...more

MoFo Life Sciences

Is Your Claim Open or Closed? Claim Construction Takes on a New Meaning in Eye Therapies, LLC v. Slayback Pharma, LLC

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On June 30, 2025, the Federal Circuit issued a precedential decision in Eye Therapies, LLC v. Slayback Pharma, LLC, reversing the Patent Trial and Appeal Board’s (PTAB’s) claim construction of the phrase “consisting...more

Knobbe Martens

An Eye Toward Prosecution History

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EYE THERAPIES, LLC v. SLAYBACK PHARMA LLC - Before Taranto, Stoll and Scarsi (sitting by designation). The patent’s prosecution history required a restrictive interpretation of the term “consisting essentially of.”...more

Knobbe Martens

Reissue Applications Are Bound by the Scope of the Claims as Written, Not as Intended

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IN RE KOSTIC - Before Stoll, Clevenger, and Cunningham. Appeal from the Patent Trial and Appeal Board. When considering whether a reissue claim broadens the scope of the original patent, the PTAB determines the actual scope...more

Alston & Bird

Patent Case Summaries | Week Ending June 20, 2025

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Ancora Technologies, Inc. v. Roku, Inc., et al., Nos. 2023-1674, -1701 (Fed. Cir. (PTAB) June 16, 2025). Per curiam opinion, before Louri, Reyna, and Hughes. Ancora owns a patent directed to restricting unauthorized use of...more

A&O Shearman

Federal Circuit Rejects PTAB’s Implicit And Incorrect Claim Construction Of “Between 1 And 10”

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On May 23, 2025, the United States Court of Appeals for the Federal Circuit (“CAFC”) issued a precedential opinion reversing a final written decision from the U.S. Patent Trial and Appeal Board (“PTAB”) finding the challenged...more

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

Broadening on Reissue is Based on the Scope of the Language of the Claims, Not the Original Intention of the Applicant

Takeaways: - Claim construction for determining whether reissue claims are improperly broadened is based on fundamental claim construction cannons and not applicant intentions. - Patent Owners should check patented claims...more

Knobbe Martens

Federal Circuit Review | April 2025

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In Ams-Osram USA Inc. v. Renesas Electronics America, Inc., Appeal No. 22-2185, the Federal Circuit held that under Texas law, a trade secret becomes publicly accessible on the earliest date it could be reverse engineered...more

Proskauer - The Patent Playbook

Federal Circuit Affirms Stem Cell Product-by-Process Claims: Lessons in Claim Construction and Inherency from Restem LLV v. Jadi...

The Federal Circuit issued a precedential opinion on March 4, 2025, that serves as valuable guidance for product-by-process claims, particularly in the context of inherency in claim construction. In Restem, LLC v. Jadi Cell,...more

MoFo Tech

Federal Circuit Clarifies Requirements for Prior Art Under Pre-AIA 35 U.S.C. § 102(e)

MoFo Tech on

Knowing what qualifies as prior art is a core requirement of patent practitioners—whether in life sciences, in the technology sectors or in post-grant proceedings. It is important to keep abreast of changes to the rules,...more

McDermott Will & Emery

Validity Analysis for Product-by-Process Claim Focuses on Product

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The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board patentability finding, explaining that an anticipation analysis for a product-by-process claim focuses on the product and not the process....more

Rothwell, Figg, Ernst & Manbeck, P.C.

Federal Circuit Reverses PTAB’s holding of Non-Obviousness of Standard Adopted 3G Technology

The recent decision by the Federal Circuit in Honeywell International Inc. v. 3G Licensing, S.A., issued on January 2, 2025, overturned the Patent Trial and Appeal Board’s (“the Board”) factual and legal holdings in the final...more

Knobbe Martens

Platinum Cannot Stand on Speculation

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Before Moore. Appeal from the Patent Trial and Appeal Board. Summary: Standing based on potential infringement liability requires concrete plans for future activity which will create a substantial risk of future infringement...more

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit Finds Written Description Support for Narrow Claim Range via Disclosure of Broader Ranges, Vacates PTAB Decision

The Federal Circuit recently vacated a PTAB decision that claims of an “e-cigarette” patent were unpatentable for lack of written description under 35 U.S.C. § 112. The question on appeal was whether a claimed range was...more

McDermott Will & Emery

Wave Goodbye: Arguments Incorporated by Reference Are Waived

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed the Patent Trial & Appeal Board’s patentability determination, finding that the patent challenger waived an argument it attempted to incorporate by reference to another...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions: Qualcomm Inc. v. Intel Corp., 6 F.4th 1256 (Fed....

Intel Corp. petitioned for six inter partes reviews (IPRs) challenging the validity of U.S. Patent No. 9,608,675, a patent directed to power management in wireless devices. In each proceeding, Intel and patent-owner Qualcomm...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions

[co-author: Jamie Dohopolski] Last year, the continued global COVID-19 pandemic forced American courts to largely continue the procedures set in place in 2020. The U.S. Court of Appeals for the Federal Circuit was no...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - October 2021 #2

Kannuu Pty Ltd. v. Samsung Electronics Co., Appeal No. 2021-1638 (Fed. Cir. Oct. 7, 2021) - In our Case of the Week, the Federal Circuit addressed whether a forum selection clause in an NDA may prohibit a party from...more

WilmerHale

CAFC Patent Cases - September #2

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Precedential Federal Circuit Opinions - In Re MAXPOWER SEMICONDUCTOR, INC. [ORDER]  (2021-146, 9/8/21) (O’Malley, Reyna, Chen) - Reyna, J.  Denying mandamus petition and dismissing appeal.  The Court declined to...more

Harris Beach Murtha PLLC

Important 2020 Patent Law Decisions from the Court of Appeals for the Federal Circuit

Whether you are pursuing patents on your new technology, thinking about bringing patent infringement litigation or defending patent infringement claims in court, knowing the important developments in patent law will help you...more

Jones Day

Staying Still: District Court Extends Stay Pending Appeal

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District courts commonly stay patent litigation cases pending inter parties review (IPR) that assesses the validity of the patents-in-suit before the Patent Trial and Appeal Board (PTAB). Such stay may be lifted or extended...more

Ladas & Parry LLP

Thryv Inc. v. Click-to-call Technologies LP

Ladas & Parry LLP on

The question of whether the United States Court of Appeals for the Federal Circuit Court of Appeals has any right to examine a decision of the Patent Trial and Appeal Board (PTAB) to institute inter partes review or post...more

Sunstein LLP

FanDuel Learns the Hard Way: An IPR Challenge to Any Patent Claim May be Lost if Not Comprehensive and Rigorous Enough

Sunstein LLP on

As we demonstrated in our own successful appeal, Arendi S.A.R.L. v. Apple Inc. (Fed. Cir. 2016), a petition for inter partes review (“IPR”) may fail when an expert declaration lacks detailed explanation. An expert’s...more

Morrison & Foerster LLP - Federal Circuitry

Observations on Cancelled Argument Cases: Appellees Always Win, Right? (Mostly)

Next week is Court week. Readers may remember that, after the Court released the September calendar, we predicted that the submission trend would continue. Were we right? Sort of....more

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

PTAB Strategies and Insights - July 2020: Federal Circuit Confirms PTAB's Ability to Consider Subject Matter Eligibility of...

On July 22, 2020, the U.S. Court of Appeals for the Federal Circuit (Federal Circuit) issued an opinion in Uniloc 2017 LLC v. Hulu, LLC & Netflix, Inc., No. 2019-1686 (Fed. Cir. 2020) authorizing the U.S. Patent Trial &...more

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