News & Analysis as of

Appeals Inter Partes Review (IPR) Proceeding Prior Art

Sheppard Mullin Richter & Hampton LLP

A Line in the Sand: Federal Circuit Bounds IPR Estoppel in Ingenico v. IOENGINE

In a significant development for patent litigants, the Federal Circuit in Ingenico Inc. v. IOENGINE, LLC, affirmed an important limitation on the scope of IPR estoppel under 35 U.S.C. § 315(e)(2). Specifically, the court held...more

A&O Shearman

The CAFC Holds That IPR Estoppel Does Not Shield Patentees From System Prior Art

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On May 7, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) affirmed a decision by the U.S. District Court for the District of Delaware (“district court”) that found claims of two IOENGINE, LLC (“IOENGINE”)...more

Vinson & Elkins LLP

Federal Circuit Defines Scope of IPR Estoppel

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In Ingenico Inc. v. IOENGINE, LLC, the Federal Circuit defined for the first time the scope of inter partes review (“IPR”) estoppel in district court and International Trade Commission (ITC) proceedings: IPR estoppel applies...more

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

Ingenico: Federal Circuit Narrows the Scope of IPR Estoppel Under § 315(e)(2)

On May 7, 2025, the Federal Circuit issued a precedential decision in Ingenico Inc. v. IOENGINE, LLC that narrows the scope of inter partes review (IPR) estoppel under 35 U.S.C. § 315(e)(2), resolving a longstanding district...more

Paul Hastings LLP

Federal Circuit Clarifies the Scope of IPR Estoppel

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The Federal Circuit recently clarified the scope of statutory estoppel that applies in District Court after the PTAB issues a final written decision in a related inter partes review (IPR). Ingenico Inc. v. IOENGINE, LLC, No....more

Venable LLP

Federal Circuit Interprets IPR Estoppel Under 35 U.S.C. § 315(e)(2) to Permit at Trial Invalidity Theories Based on Prior Use or...

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On May 7, 2025, the Federal Circuit issued a decision in Ingenico, Inc. v. IOENGINE, LLC, effectively holding that 35 U.S.C. § 315(e)(2) estoppel cannot preclude an IPR petitioner from advancing in a district court trial an...more

Proskauer - The Patent Playbook

Ingenico Inc. v. IOENGINE, LLC: Federal Circuit Resolves the IPR Estoppel Split

In what is certain to become a landmark decision, the Federal Circuit has resolved a long-standing question that divided patent litigators and judges alike: does IPR estoppel apply to physical systems (“system art”) described...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

Alston & Bird

Patent Case Summaries | Week Ending April 25, 2025

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Qualcomm Inc. v. Apple Inc., et al., Nos. 2023-1208, -1209 (Fed. Cir. (PTAB) Apr. 23, 2025). Opinion by Reyna, joined by Lourie and Prost. Qualcomm owns a patent related to integrated circuit devices using multiple power...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Qualcomm Inc. v. Apple Inc.

Qualcomm Inc. v. Apple Inc., Appeal Nos. 2023-1208, -1209 (Fed. Cir. Apr. 23, 2025) - For a second time in this case, the Federal Circuit considered the proper role of “Applicant Admitted Prior Art” in an inter partes...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

McDermott Will & Emery

Transatlantic Terminology: Skilled Artisan Could Equate UK, US Word Meanings

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The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board unpatentability determination, finding that a skilled artisan would have found the term “sterile” in a UK publication to mean the same as...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

Knobbe Martens

No Error: The Board Committed No Procedural Error by Relying on Evidence Outside of the Prior Art Reference

Knobbe Martens on

SAGE PRODUCTS, LLC v. STEWART [OPINION] - Before Reyna, Cunningham, and Stark. Appeal from the United States Patent and Trademark Office, Patent Trial and Appeal Board. The Board did not abuse its discretion by relying on...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Recentive Analytics, Inc., v. Fox Corp.

Recentive Analytics, Inc., v. Fox Corp., Appeal No. 2023-2437 (Fed. Cir. Apr. 18, 2025) In our Case of the Week, the Federal Circuit addressed a question of first impression concerning whether developments in machine...more

A&O Shearman

Federal Circuit Affirms PTAB Decision On Unpatentability, With The PTO Stepping In After Appellee Withdrew

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On April 15, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) affirmed the Patent Trial and Appeal Board’s (“Board”) decision finding all challenged claims of Sage Products, LLC’s patents anticipated based on...more

Sheppard Mullin Richter & Hampton LLP

Don’t Get Lazy, Timely Complete Your Arguments

This Federal Circuit Opinion analyzes statutory estoppel under 35 U.S.C. § 315(e)(1) and examines offensive and defensive arguments related to § 103 obviousness.  Gesture Technology Partners, LLC is the owner of U.S....more

Knobbe Martens

Federal Circuit Review | March 2025

Knobbe Martens on

Limits of Inherent Anticipation in Product-by-Process Claims - In Restem, LLC v. Jadi Cell, LLC, Appeal No. 23-2054, the Federal Circuit held that inherency in product-by-process claims requires the prior art to inevitably...more

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

The Federal Circuit Opines on a Motivation to Combine

The Federal Circuit’s holding in United Servs. Auto. Ass’n v. PNC Bank N.A., No. 2023-2171, 2025 WL 339662 (Fed. Cir. Jan. 30, 2025) reversed a Patent Trial and Appeal Board (“PTAB”) decision finding no motivation to combine....more

McDermott Will & Emery

When “It’s Obvious” Just Isn’t Enough: Challenger’s Burden to Prove Obviousness

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The US Court of Appeals for the Federal Circuit affirmed the Patent Trial & Appeal Board’s decision that a patent was not obvious because the petitioner failed to show sufficient support of obviousness based on prior art. AMP...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

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit: Private Sale by Inventor Does Not Trigger Prior Art Exception Under the AIA

The Federal Circuit affirmed a Patent Trial and Appeal Board (PTAB) final written decision holding that the prior art exception of AIA Section 102(b)(2)(B) does not apply to a prior sale by an inventor when the sale is...more

McDermott Will & Emery

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

McDermott Will & Emery on

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

Knobbe Martens on

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

Knobbe Martens on

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

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