News & Analysis as of

Inter Partes Review (IPR) Proceeding

DLA Piper

What is a “Clear and Unmistakable” Prosecution History Disclaimer?

DLA Piper on

The Federal Circuit’s March 21, 2025 decision in Maquet Cardiovascular LLC v. Abiomed Inc. et al. (No. 2023-2045) and the recent Patent Trial and Appeal Board (PTAB) Delegated Rehearing Panel decision in SynAffix B.V. v....more

McDonnell Boehnen Hulbert & Berghoff LLP

Treprostinil Saga Continues

United Therapeutics Corp. (UTC) and Liquidia Technologies Inc. have been battling for close to a decade over their respective inhaled formulations of treprostinil (UTC's Tyvaso®, Liquidia's Yutrepia™) for treatment of...more

Venable LLP

Federal Circuit Affirms PTAB’s Unpatentability Findings in Gene Therapy Hemgenix® IPRs

Venable LLP on

On May 22, 2025, the CAFC affirmed the PTAB’s (Board) Final Written Decisions in Pfizer’s IPR2021-00925 and IPR2021-00926 finding all challenged claims of uniQure’s U.S. Patent No. 9,982,248 (“the ’248 patent”) unpatentable...more

McDermott Will & Emery

X-Ray Vision: Court Sees Through Implicit Claim Construction

The US Court of Appeals for the Federal Circuit reversed the Patent Trial & Appeal Board’s final determination that challenged patent claims were not unpatentable, finding that the Board’s decision relied on an erroneous...more

WilmerHale

PTAB/USPTO Update - June 2025

WilmerHale on

On May 27, the USPTO announced the completion of a critical upgrade to the agency’s core financial system, Momentum, to streamline maintenance of the fee payment systems as well as several internal functions....more

DLA Piper

How Delayed Notice of Date Accorded Mailings May Affect Inter Partes Review

DLA Piper on

Inter partes review (IPR) practices have seen significant changes since US Patent and Trademark Office Acting Director Coke Stewart assumed her current role in January 2025. Perhaps the most significant change has been Acting...more

A&O Shearman

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

A&O Shearman on

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

WilmerHale

Federal Circuit Patent Watch: En Banc Federal Circuit Finds Lump Sum Settlement Licenses Insufficient to Support $X Royalty Rate...

WilmerHale on

Precedential and Key Federal Circuit Opinions - ECOFACTOR, INC. v. GOOGLE LLC [OPINION] (2023-1101, 5/21/2025) (Lourie, Dyk, Prost, Reyna, Taranto, Chen, Hughes, Stoll, Stark) - Moore, C.J. The en banc Court reversed...more

Sheppard Mullin Richter & Hampton LLP

Undetectable Amount of Magnification IS Magnification

This Federal Circuit Opinion analyzes invalidity based on anticipation and obviousness, more specifically based on implicit claim construction of the claim limitation and inherent disclosures....more

Jones Day

Acting Director Releases First Decisions Under New Bifurcated Process

Jones Day on

On May 16, 2025, USPTO Acting Director Coke Morgan Stewart released the first four discretionary denial decisions under the PTAB’s new process. Under the new process, the parties separately brief discretionary denial issues...more

Fish & Richardson

Navigating Change at the USPTO

Fish & Richardson on

While it may seem like the only constant at the United States Patent and Trademark Office (USPTO) is change, that sentiment rings especially true in 2025. With a new presidential administration in the White House and numerous...more

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

The USPTO Provides Further Guidance on Discretionary Denials Policy

The USPTO’s recent guidance on discretionary denials has shifted patent practitioners back to the Fintiv and Sotera Wireless framework....more

Alston & Bird

Patent Case Summaries | Week Ending May 23, 2025

Alston & Bird on

EcoFactor, Inc. v. Google LLC, No. 2023-1101 (Fed. Cir. (W.D. Tex.) May 23, 2025). En banc opinion by Moore, joined by Lourie, Dyk, Prost, Taranto, Chen, Hughes, and Stoll. Opinion concurring in part and dissenting in part by...more

Morgan Lewis

Blockbuster Biologics Review | Issue 27

Morgan Lewis on

Welcome to the latest issue of Blockbuster Biologics Review, which covers the status and developments of post-grant challenges and patent litigations implicating blockbuster biologics and legislative proposals related to...more

Dorsey & Whitney LLP

Federal Circuit Clarifies Scope of IPR Estoppel

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In a precedential opinion entered on May 7, 2025, the United States Court of Appeals for the Federal Circuit affirmed a jury verdict invalidating claims of two patents for anticipation and obviousness over the prior art....more

McDermott Will & Emery

It’s a Matter of Timing: The PTO’s Latest Decisions on Discretionary Denials

McDermott Will & Emery on

Since the US Patent & Trademark Office’s (PTO) decision to rescind former Director Vidal’s memo on procedures for post-grant proceedings where there is parallel district court litigation, Current Acting Director Coke Morgan...more

K&L Gates LLP

Estoppel Estopped?

K&L Gates LLP on

The Federal Circuit recently resolved a split among the district courts whether patent infringement defendants who bring inter partes review (IPR) challenges are estopped from raising new prior art challenges in a co-pending...more

Jones Day

Institution Denied for Insufficient Publication Evidence

Jones Day on

On October 29, 2024, BabyBjörn AB (“BabyBjörn”) filed two separate petitions for inter partes review (“IPR”) of U.S. Patent No. 11,786,055 (“the ’055 Patent”), which is assigned to The ERGO Baby Carrier, Inc. (“ERGO Baby”). ...more

Irwin IP LLP

CAFC Cleaves ‘Conception’ from ‘Reduction to Practice’: Conception Requires Neither Certainty Invention Will Work Nor Successful...

Irwin IP LLP on

Regents of the Univ. of California v. Broad Inst., Inc., No. 2022-1594, 2025 WL 1363125 (Fed. Cir. May 12, 2025) - On May 12, 2025, the U.S. Court of Appeals for the Federal Circuit vacated the Patent Trial and Appeals...more

Jones Day

Director Review: PTAB Instructed to Allow Narrowly Tailored Discovery Regarding Time Bar

Jones Day on

USPTO Acting Director Coke Morgan Stewart recently vacated and remanded three Final Written Decisions from the PTAB.  Semiconductor Components Indus. v. Greenthread, LLC, IPR2023-01242, IPR2023-01243, IPR2023-01244, Paper 94...more

Foley Hoag LLP

Reshaped IPR Landscape: Narrower Estoppel and Fewer New Cases

Foley Hoag LLP on

Key Takeaways - - A recent Federal Circuit decision in a case involving an inter partes review (IPR) significantly narrowed a patentee’s ability to rely on estoppel to block a defendant from raising invalidity grounds. -...more

Holland & Knight LLP

Section 101 Patent Eligibility Roundup: An Informative PTAB Decision, Squires Speaks

Holland & Knight LLP on

The Patent Trial and Appeal Board designated a recent decision as informative. In the decision, Coke Morgan Stewart, Acting Director of the U.S. Patent and Trade Office (USPTO), ended the petitioner's challenges, noting that...more

Jones Day

Estoppel Trumps Substance: ITC Bars Respondent’s Invalidity Grounds Raised in IPR

Jones Day on

Recently, an ITC Administrative Law Judge applied IPR statutory estoppel under 35 U.S.C. § 315(e)(2) in denying a Respondent’s motion for summary determination of invalidity in Certain Audio Players and Components Thereof,...more

Morrison & Foerster LLP

Discretionary Denials—Act II

On March 26, 2025, the Acting Director of the United States Patent and Trademark Office fundamentally changed how the Patent Trial and Appeal Board (“PTAB”) initially considers petitions in post grant proceedings under the...more

Troutman Pepper Locke

The Top Five Challenges of Pursuing Litigation at the ITC

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Patent litigation at the International Trade Commission (ITC) is characterized by its rapid pace, with proceedings for investigations under 19 U.S.C. § 1337 typically concluding within 15 to 18 months after the filing of the...more

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