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Prior Art Inter Partes Review (IPR) Proceeding Intellectual Property Protection

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

Jones Day

PTAB Allows Three Concurrent IPR Petitions for Unusual Patent Claims

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Recently, the Patent Trial and Appeal Board (“the Board”) was persuaded to consider the merits of three out of seven concurrent petitions for an inter partes review of a single patent due to the patent’s complicated claiming...more

Alston & Bird

Patent Case Summaries | Week Ending April 18, 2025

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Recentive Analytics, Inc. v. Fox Corp., et al., No. 2023-2437 (Fed. Cir. (D. Del.) Apr. 18, 2025). Opinion by Dyk, joined by Prost and Goldberg (sitting by designation). Recentive sued Fox for infringing four patents that...more

Jones Day

Expert Testimony Supporting POPR Can Be An Effective Strategy

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It is relatively uncommon for parties to submit expert declarations in the preliminary-response phase of an IPR proceeding, but recently the Patent Owner in Imperative Care, Inc. v. Inari Medical, Inc. effectively used that...more

Jones Day

Provisionals’ Disclosures Must Fully Support an Issued Claim for Pre-AIA Priority

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The PTAB recently provided a pre-AIA priority analysis for reference patents in Roku, Inc. v. Anonymous Media Research Holdings, LLC, No. IPR2024-01057, Paper 10 (P.T.A.B. Feb. 10, 2025). This decision highlights the...more

Fish & Richardson

EPRx 101: Getting to Know Ex Parte Reexamination

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Ex parte reexamination (EPRx) is a powerful tool that allows any party — including the patent owner — to request that the United States Patent and Trademark Office (USPTO) reassess the validity of an issued patent based on...more

McDermott Will & Emery

Palette of Evidence: PTAB Must Consider Entire Record to Determine Prior Art Status

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The US Court of Appeals for the Federal Circuit vacated and remanded a Patent Trial & Appeal Board patentability determination, finding that the Board failed to consider the entire record regarding the prior art status of a...more

Knobbe Martens

Limits of Inherent Anticipation in Product-By-Process Claims

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RESTEM, LLC v. JADI CELL, LLC - Before Moore, Schall, and Taranto. Appeal from the Patent Trial and Appeal Board. Inherency in product-by-process claims requires the prior art process to inevitably produce the claimed...more

Knobbe Martens

Where Method Claim Steps Are Connected by “And,” a Covered Method Must Perform Each Step

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SIERRA WIRELESS, ULC V. SISVEL S.P.A. Before Moore, Schall, and Taranto. Appeal from the Patent Trial and Appeal Board. The Board erred by finding method-claim steps connected by “and” to be conditional and by never...more

Mintz - Intellectual Property Viewpoints

Federal Circuit Affirms PTAB’s Analysis Finding Product-by-Process Claim Narrowed During Prosecution Valid Over Prior Art

In a precedential opinion issued on March 4, 2025, in Restem, LLC v. Jadi Cell, LLC, No, 23-2054, the U.S. Court of Appeals for the Federal Circuit affirmed the PTAB’s claim construction and ruling that product-by-process...more

Jones Day

Petitioner’s Proof of Printed Publication Falls Short

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On February 6, 2025, the PTAB denied IPR institution because the Petitioner failed to establish that its key prior art reference qualified as a printed publication under Section 102(b). The PTAB’s decision hinged on whether...more

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

Antedating Prior Art in Reissue and Reexamination: Part 1

Takeaways - - Pre-AIA patents may be able to “swear behind” prior art applied in reissue and reexamination. - “Swearing behind” has limits and obtaining sufficient evidence to establish prior invention may be difficult to...more

Jones Day

Two Separate Analyses: Nonobviousness vs Enablement

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Recently, a Director Review was granted where Director Vidal vacated the Patent Trial and Appeals Board’s (“PTAB”) Final Written Decision and remanded back to the PTAB for further consideration of enablement.  Duration Media...more

Jones Day

Speculative IPR Discovery Request Not in the Interest of Justice

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“Because Congress intended inter partes reviews to serve as a faster and more cost-effective alternative to litigating validity in district courts, discovery in inter partes reviews is limited.” See Garmin Int’l, Inc. v....more

Venable LLP

Spotlight On: Actemra® (tocilizumab) / Tofidence™ (tocilizumab-bavi) / Tyenne® (tocilizumab-aazg) / Avtozma® (tocilizumab-anoh) -...

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Tocilizumab Challenged Claim Types in IPRs: Claims are counted in each IPR, so claims from the same patent challenged in multiple IPRs are counted more than once. Within each IPR, claims are counted only once, whether they...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

Jones Day

Federal Circuit Remands Based On Inadequate Explanation

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Palo Alto Networks (PAN) filed a petition for inter partes review of Centripetal Networks’ patent—U.S. Patent No. 10,530,903—which is directed to a computing system for correlating packets in communication networks with a...more

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

2024 PTAB Year in Review: Analysis & Trends

The Patent Trial and Appeal Board (PTAB) continues to play a pivotal role in shaping the intellectual property landscape. In 2024, several developments affecting PTAB practice emerged, from new rulemaking at the USPTO to key...more

Jones Day

PTAB Denies Motion for Joinder After Unsuccessful District Court Invalidity Challenge

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On June 6, 2024, Shenzhen Waydoo Intelligence Technology Co., Ltd. (“Waydoo”) filed a petition for inter partes review (“IPR”) of U.S. Patent No. 9,359,044 (“the ’044 Patent”) (“IPR998”), assigned to MHL Custom, Inc. (“MHL”)....more

Hudnell Law Group

Published but not Public? Federal Circuit Confirms Published Patent Applications Count as Prior Art from Filing Date in IPRs.

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On January 14, 2025, the United States Court of Appeals for the Federal Circuit issued a precedential decision in Lynk Labs, Inc. v. Samsung Electronics Co., No. 23-2346 (Fed. Cir. Jan. 14, 2025), addressing whether a...more

Alston & Bird

Patent Case Summaries | Week Ending January 17, 2025

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Lynk Labs, Inc. v. Samsung Electronics Co., Ltd., No. 2023-2346 (Fed. Cir. (PTAB) Jan. 14, 2025). Opinion by Prost, joined by Lourie and Stark....more

Fitch, Even, Tabin & Flannery LLP

IP Alert: Federal Circuit Clarifies What Is Deemed Prior Art in an IPR

On January 14, in Lynk Labs, Inc. v. Samsung Electronics Co., Ltd., the Federal Circuit held that a published patent application can be prior art in an inter partes review (IPR) based on the application’s filing date, not the...more

McDermott Will & Emery

A Lynk to the Past: Published Applications Are Prior Art as of Filing Date

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The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board decision finding challenged claims invalid based on a published patent application that, in an inter partes review (IPR) proceeding, was...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - January 2025 #3

Bearbox LLC v. Lancium LLC, Appeal No. 2023-1922 (Fed. Cir. Jan. 13, 2025) In this week’s Case of the Week, the Federal Circuit affirmed a district court’s determination that appellants Bearbox and Austin Storms—Bearbox’s...more

Jones Day

When Is a Published Patent Application Prior Art in an IPR?

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On appeal from an inter partes review (“IPR”), the Federal Circuit held that, under pre-America Invents Act (“pre-AIA”) law, a published patent application is prior art as of its filing date as opposed to its later date of...more

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