News & Analysis as of

Inter Partes Review (IPR) Proceeding United States Patent and Trademark Office Claim Construction

Irwin IP LLP

Fair Shot at Privity: Director Reverses PTAB on Discovery Ruling 

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Semiconductor Components Indus., LLC v. Greenthread LLC, IPR2023-01242, -01243, -01244 (USPTO Apr. 30, 2025) - The USPTO Director’s recent decision in Semiconductor Components v. Greenthread squarely addresses a recurring...more

McDonnell Boehnen Hulbert & Berghoff LLP

Valve Corp. v. Ironburg Inventions Ltd. (Fed. Cir. 2025)

On April 23, 2025, the Federal Circuit rendered an opinion in Valve Corp. v. Ironburg Inventions Ltd. surrounding U.S. Patent No. 9,289,688 (the '688 patent").  This marks the second time that the Federal Circuit has weighed...more

Sheppard Mullin Richter & Hampton LLP

Breaking Down the Bifurcated PTAB Review Process: What the USPTO’s Recent FAQ Drop Reveals

On March 26, 2025, the U.S. Patent and Trademark Office released a memorandum introducing a new interim process for handling institution decisions in inter partes reviews (IPRs) and post-grant reviews (PGRs). The Office just...more

Jones Day

PTAB Institutes IPR Despite Concurrent Ex Parte Reexamination

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In Thermaltake Technology Co., Ltd. et al v. Chien-Hao Chen et al, IPR2024-01230, Paper 12 (PTAB Feb. 19, 2025), the PTAB granted the institution of inter partes review (“IPR”) while an ex parte reexamination (“EPR”) on the...more

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

Understanding the PTAB’s Recent Informative Decision: Cambridge Mobile Telematics, Inc. v. Sfara, Inc.

The Patent Trial and Appeal Board (PTAB) recently designated its decision in Cambridge v. Sfara (IPR2024-00952) as an informative decision.[1] This designation addresses an important issue in inter partes review (IPR)...more

Fish & Richardson

EPRx 201: The Risks and Rewards of Ex Parte Reexamination

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Ex parte reexamination (EPRx) comes with risks and rewards for both patent challengers and patent owners. Patent challengers enjoy a lower threshold for institution and avoid the estoppel risk of other post-grant proceedings...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Actavis Labs. FL, Inc. v. United States

Actavis Labs. FL, Inc. v. United States, Appeal No. 2023-1320 (Fed. Cir. Mar. 21, 2025) Our Case of the Week, in the words of its author, Circuit Judge Stark, “is not actually a patent case. It is, instead, a tax case.” In...more

Vorys, Sater, Seymour and Pease LLP

The Precedent: Federal Circuit Vacates Claim Construction But Upholds PTAB’s Determination of Obviousness and Motivation to...

In this edition of The Precedent, we outline the Federal Circuit's decision in HD Silicon Solutions LLC v. Microchip Technology Inc. In HD Silicon Solutions LLC, the Federal Circuit addressed an appeal from the USPTO Patent...more

Jones Day

Federal Circuit Rules That Order Of Steps Sometimes Does Matter

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Back in May of 2020, European patent-licensing company Sisvel filed a flurry of lawsuits against a dozen tech companies who had allegedly infringed Sisvel’s portfolio of wireless communication and networking patents. A...more

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

Reexamination of Expired Patents

Takeaways - - Expired patents may be eligible for reexamination. - Owner’s options during reexamination of an expired patent are severely limited. Similar to reexamination practice, which has long allowed reexamination...more

Knobbe Martens

Every Word Counts: Specification Naming Conventions Can Limit Claim Scope

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A patent’s specification established a naming convention that applied to terms in the patent’s claims. Microchip Technology filed an IPR, arguing all claims of HD Silicon Solutions’ patent were invalid. The challenged patent...more

McDermott Will & Emery

It’s Obvious: Erroneous Claim Construction Can Be Harmless

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The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board obviousness determination even though it found the Board had improperly construed a claim term, because the Court found the error harmless...more

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

2024 PTAB Year in Review: Analysis & Trends – 2024 PTAB Case Highlights

Abuse of Process and/or Sanctions – 37 C.F.R. § 42.12 - Spectrum Solutions LLC v. Longhorn Vaccines & Diagnostics, LLC, IPR2021-00847, IPR2021-00850, IPR2021-00854, IPR2021-00857 & IPR2021-00860 - Decision...more

Dinsmore & Shohl LLP

Apple Prevails and Federal Circuit Puts Expert Testimony in the Spotlight

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The U.S. Court of Appeals for the Federal Circuit (“CAFC”) recently issued its opinion in Apple Inc. v. Gesture Technology Partners, LLC, a case that focuses on obviousness under 35 U.S.C. §103, claim breadth and the...more

Akin Gump Strauss Hauer & Feld LLP

Voluminous Expert Testimony and Exhibits Insufficient on Their Own to Warrant Denial of IPR Institution

The Patent Trial and Appeal Board granted institution of inter partes review of a patent directed to delivery of targeted television advertisements. The board rejected patent owner’s argument that a lack of particularity as...more

Pillsbury Winthrop Shaw Pittman LLP

Navigating the PREVAIL Act: Key Impacts on Litigants as It Advances in the Senate

The PREVAIL Act is now subject to debate before the full Senate. The Act will require petitioners to certify standing, two new categories of which were recently added via a manager’s amendment....more

Erise IP

Eye on IPRs: November 2024: USPTO Director to Step Down, Did Fed. Circuit DISH Asks Full Fed. Cir. Panel to Reconsider Vacating...

Erise IP on

Every month, Erise’s patent attorneys review the latest inter partes review cases and news to bring you the stories that you should know about: USPTO Director Vidal to Step Down - On November 12, Under Secretary of...more

Fish & Richardson

Recapping a Busy Summer for Director Review

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United States Patent and Trademark Office (USPTO) Director Kathi Vidal had a busy end to her summer, issuing six decisions as part of the Director Review process between July 10 and August 22. In the six decisions, the...more

Sheppard Mullin Richter & Hampton LLP

Federal Circuit Clarifies Test for Exception to Increasingly Rare Interference Proceedings

Speck v. Bates, No. 2023-1147 (Fed. Cir. May 23, 2024) addressed two issues, (1) whether courts should apply a one-way test or a two-way test to determine if pre-critical claims materially differ from post-critical claims,...more

Knobbe Martens

Federal Circuit Review | July 2024

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In Natera, Inc v. Neogenomics Laboratories, Inc., Appeal No. 24-1324 the Federal Circuit held that  preliminary injunction may be valid if a substantial question of invalidity was not raised, even if the asserted patent is...more

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

Sterne Kessler’s Reissue, Reexamination, and Supplemental Examination Practice Tips – May 2024

In the mid-2000s, the U.S. Patent Office (USPTO) determined that reexaminations would be more consistent and legally correct if performed by a centralized set of experienced and specially trained Examiners. As a result, the...more

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

IP Hot Topic: USPTO Publishes Long-awaited Notice of Proposed Rulemaking with Updates to PTAB Practice and Procedure

On April 19, 2024, the USPTO published a long-awaited Notice of Proposed Rulemaking (NPRM) that followed its April 2023 Advance Notice of Proposed Rulemaking (ANPRM). The proposed rules package, Patent Trial and Appeal Board...more

Erise IP

Eye on IPRs, April 2024: PTAB’s Analogous Art Finding Upheld by Federal Circuit, Blockchain Gemstone Identifying Process Patent...

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Every month, Erise’s patent attorneys review the latest inter partes review cases and news to bring you the stories that you should know about: Federal Circuit Affirms PTAB’s Analogous Art Finding - As IP Watchdog...more

McDermott Will & Emery

New PTAB Claim Construction? Give the Parties Review Opportunity

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The US Patent & Trademark Office (PTO) Director vacated Final Written Decisions issued by the Patent Trial & Appeal Board that presented a sua sponte construction of a claim term in dispute, holding that the parties were not...more

Erise IP

Eye on IPRs, March 2024: PTAB’s Claim Construction of Cooling Patent is Hot Issue, SCOTUS Won’t Hear IPR Joinder Challenge

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Every month, Erise’s patent attorneys review the latest inter partes review cases and news to bring you the stories that you should know about: Cooling Patent Restored by Federal Circuit Over PTAB’s Claim Construction - ...more

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