News & Analysis as of

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

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

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

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

PTAB Issues Additional Information on New Pre-Institution Discretionary Briefing

On April 25, 2025, the USPTO issued additional information in response to frequently asked questions (FAQs) about the “Interim Processes for PTAB Workload Management” memorandum issued on March 26, 2025. As discussed in our...more

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

Recent Updates at the U.S. Patent Trial and Appeal Board

Recent changes at the U.S. Patent Trial and Appeal Board (PTAB) have brought uncertainty to inter partes review and post-grant review practitioners before the U.S. Patent and Trademark Office (PTO). These procedural and...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

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

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Apple Inc. v. Gesture Technology Partners

Apple Inc. v. Gesture Technology Partners, LLC, Appeal Nos. 2023-1475, -1533 (Fed. Cir. Mar. 4, 2025) Our Case of the Week is a high-stakes appeal from an inter partes review concerning a patent titled “Camera Based...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

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

Vorys, Sater, Seymour and Pease LLP

The Precedent: Federal Circuit Clarifies Timing Issues Associated with Pre-AIA Patent Applications in Lynk Labs, Inc. v. Samsung...

In this edition of The Precedent, we outline the recent federal circuit decision in Lynk Labs, Inc. v. Samsung Elecs. Co. This case addresses the date on which a pre-AIA published patent application obtains its status as...more

McDermott Will & Emery

It’s Obvious: Erroneous Claim Construction Can Be Harmless

McDermott Will & Emery on

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

Knobbe Martens

The Patent Trial and Appeal Board Has Jurisdiction Over IPRs Challenging Expired Patents

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Before Lourie, Dyk, and Hughes. Appeals from the United States Patent and Trademark Office. Summary: The Patent Trial and Appeal Board has jurisdiction over IPRs concerning expired patents because the review of such patents...more

Irwin IP LLP

2024 Patent Landscape -- Year In Review

Irwin IP LLP on

Over the course of 2024, the patent law landscape has continued to evolve as significant court rulings and emerging technologies shaped its direction. During 2024, activities at the Supreme Court, the Federal Circuit, various...more

Dinsmore & Shohl LLP

Apple Prevails and Federal Circuit Puts Expert Testimony in the Spotlight

Dinsmore & Shohl LLP on

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

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

Hudnell Law Group

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

Hudnell Law Group on

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

A&O Shearman

Federal Circuit Affirms That Published Patent Applications Are Prior Art in IPRs As Of Their Filing Dates, Not Their Publication...

A&O Shearman on

On January 14, 2025, the United States Court of Appeals for the Federal Circuit (“CAFC”) issued a precedential opinion affirming a final written decision from the U.S. Patent Trial and Appeal Board (“PTAB”) finding the...more

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

2024 Design Patents Year in Review: Analysis & Trends - Design Patents at the PTAB: 2024 in Review

Inter partes activity involving design patents at the Patent Trial and Appeal Board (PTAB) was relatively low in 2024. The PTAB rendered just two inter partes decisions involving design patents: Next Step Group, Inc. v....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

Knobbe Martens

A Published Patent Application Is IPR Prior Art as of Its Filing Date

Knobbe Martens on

Before Lourie, Prost, and Stark - Summary: In an IPR, a patent application is considered a “printed publication” as of the application’s filing date, not its publication date. Samsung filed a petition for IPR of a Lynk Labs...more

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

2024 Design Patents Year in Review: Analysis & Trends: Federal Circuit Appeals: A Very Big Decision in an Otherwise Quiet Year

The majority of 2024 was a quiet year for design patent cases at the Court of Appeals for the Federal Circuit. The court issued five opinions involving U.S. design patents: one Rule 36(a) affirmance, two decisions involving...more

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

2024 Design Patents Year in Review: Analysis & Trends

As we predicted in our 2023 report, 2024 was a banner year for design rights in the U.S. and elsewhere. In last year’s report, we noted that the U.S. Court of Appeals for the Federal Circuit (CAFC) agreed to consider en banc...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

McDonnell Boehnen Hulbert & Berghoff LLP

Lynk Labs, Inc. v. Samsung Electronics Co. (Fed. Cir. 2025)

Published Patent Applications Are Prior Art as of the Filing Date, Not the Publication Date - Lynk Labs raises a simple question of statutory interpretation with surprisingly important ramifications:  in inter partes review,...more

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