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United States Patent and Trademark Office › Patent Applications › Patent Litigation

The U.S. Patent and Trademark Office is an agency of the United States Department of Commerce that serves a fundamental role in the U.S. intellectual property system by issuing patents and registering trademarks.... more +
The U.S. Patent and Trademark Office is an agency of the United States Department of Commerce that serves a fundamental role in the U.S. intellectual property system by issuing patents and registering trademarks.    less -
K&L Gates LLP

First Denial Based on USPTO’s New Discretionary Denial Factors

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Earlier this year, Chief Judge Boalick issued guidance on the USPTO’s recission of “Interim Procedure for Discretionary Denials in AIA Post-Grant Proceedings with Parallel District Court Litigation,” explaining how the Fintiv...more

Proskauer - The Patent Playbook

Discretionary Denials in Action: iRhythm Technologies Inc. v. Welch Allyn Inc.

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The U.S. Patent and Trademark Office (“USPTO”) Acting Director’s recent decision to deny institution of inter partes review (“IPR”) in iRhythm Technologies Inc. v. Welch Allyn Inc. offers valuable lessons for both patent...more

Volpe Koenig

When an IDS Comes Back to Haunt You: Lessons from iRhythm v. Welch Allyn

Volpe Koenig on

Patent attorneys are well-versed in the function of the Information Disclosure Statement (IDS) during prosecution. We understand that listing prior art in an IDS satisfies the duty of candor, helps insulate patents from...more

Fitch, Even, Tabin & Flannery LLP

Priority Denied, Patent Derailed: When One Filing Cancels Out the Other

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On April 22, 2025, the Federal Circuit issued a decision In re: Bonnie Iris McDonald Floyd that underscores a critical and often overlooked risk in design patent prosecution: relying on a utility patent application for...more

Wolf, Greenfield & Sacks, P.C.

Practical Guide to Claiming Small Molecules with Functional Language

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Patent claims reciting compounds where at least one group of a compound genus is defined by its function are common. For example, familiar claim terms such as “chelating moiety,” “linker,” and “binding moiety” describe a...more

DLA Piper

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

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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

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

A&O Shearman

Court Of Appeals For The Federal Circuit Holds That Conception Does Not Require Certainty of Success

A&O Shearman on

On May 12, 2025, the Court of Appeals for the Federal Circuit vacated-in-part and remanded a Patent Trial and Appeal Board (“PTAB”) decision in an interference proceeding concluding that the Broad Institute, Inc. (“Broad...more

McDermott Will & Emery

Take That Conception Out of the Oven – It’s CRISPR Even If the Cook Doesn’t Know

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Addressing the distinction between conception and reduction to practice and the requirement for written description in the unpredictable arts, the US Court of Appeals for the Federal Circuit explained that proof of conception...more

Downs Rachlin Martin PLLC

One Year of LKQ v. GM: How Much Has Really Changed?

Downs Rachlin Martin PLLC on

One year ago today, the en banc Federal Circuit decided LKQ Corporation v. GM Global Technology Operations LLC, where it overturned the decades-old Rosen-Durling test for obviousness of a design patent for being “improperly...more

Wilson Sonsini Goodrich & Rosati

Federal Circuit Revives CRISPR-Cas9 Patent Priority Dispute

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The CRISPR-Cas9 patent landscape remains complex and unsettled. The Federal Circuit’s latest decision in University of California v. Broad Institute1 revived the high-stakes dispute between UC2 and Broad3 over foundational...more

Bracewell LLP

Recentive v. Fox: Machine-Learning Claims Fail to Make the Grade

Bracewell LLP on

The patent eligibility of claims involving the use of machine learning (ML) was recently considered by the US Court of Appeals for the Federal Circuit (CAFC) in Recentive Analytics, Inc. v. Fox Corp., Case No. 2023-2437 (Fed....more

BakerHostetler

US Patents Set to Issue 33 Percent Faster from the Notification Date

BakerHostetler on

Starting May 13, the U.S. Patent and Trademark Office (USPTO) will accelerate the time between issue notification and the issue date of a patent. That is, the time frame will be cut from about three weeks to two weeks –...more

Quarles & Brady LLP

New Federal Circuit Decision - Expect Getting AI/Machine Learning Patents Past 101 to Get Tougher

Quarles & Brady LLP on

The Federal Circuit recently issued a decision in Recentive Analytics, Inc. v. Fox Corp., invalidating the patent claims at issue as directed to ineligible subject matter under 35 U.S.C. § 101. In what it noted was a case of...more

Wilson Sonsini Goodrich & Rosati

Method of Treatment Claim’s Limiting Preamble Must Satisfy the Written Description Requirement

Wilson Sonsini Goodrich & Rosati on

On March 13, 2025, the U.S. Court of Appeals for the Federal Circuit issued a decision in the case of In Re: Xencor, Inc. In this Appeal from the Appeals Review Panel of the Patent Trial and Appeal Board (ARP), with regard to...more

Kilpatrick

Federal Circuit Clarifies Patent Eligibility of Inventions Involving the Use of Machine Learning Models

Kilpatrick on

In Recentive Analytics, Inc. v. Fox Corp., No. 2023-2437, slip op. at 18 (Fed. Cir. April 18, 2025), the Federal Circuit held that “patents that do no more than claim the application of generic machine learning to new data...more

American Conference Institute (ACI)

[Event] 23rd Advanced Summit on Life Sciences Patents - May 19th - 20th, New York, NY

American Conference Institute (ACI) on

At ACI’s 23rd Advanced Summit on Life Sciences Patents, you can expect informational overviews and thorough discussion of every facet of the industry. In a time of major legislative, regulatory, and judicial change, you can't...more

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

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

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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

Alston & Bird

Patent Case Summaries | Week Ending April 4, 2025

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In re: Forest, No. 2023-1178 (Fed. Cir. (PTAB) Apr. 3, 2025). Opinion by Chen, joined by Taranto and Schall.  In 2016, an inventor filed a patent application that claimed priority to an application filed in 1995. The Patent...more

McDermott Will & Emery

A Patent Without a Pulse: Provisional Rights Don’t Outlive the Patent

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The US Court of Appeals for the Federal Circuit dismissed an appeal from a patent applicant seeking provisional rights on a patent that would issue only after it had already expired, finding that the applicant lacked the...more

Fitch, Even, Tabin & Flannery LLP

Federal Circuit Limits Reliance on Provisional Priority Date Under Section 102(e)(1)

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On March 24, the Federal Circuit held in In re Riggs that for a published non-provisional patent application to be prior art under pre-AIA 35 U.S.C. § 102(e)(1) based on an earlier provisional filing date, all citations to...more

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

Key Patent Considerations for Antibody Drug Conjugates (ADCs)

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In 1910, German scientist Paul Ehrlich introduced a groundbreaking concept to the world: chemical compounds could be engineered to interact with unique receptors on disease-causing cells while avoiding interaction with...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: In re Forest

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In re Forest, Appeal No. 2023-1178 (Fed. Cir. Apr. 3, 2025) In an appeal from a Patent Office decision denying a patent that would have been expired upon issuance, the Federal Circuit dismissed. Applicant Forest had filed...more

Foley & Lardner LLP

Jepson Claim Format Does Not Avoid Written Description Scrutiny

Foley & Lardner LLP on

Current written description jurisprudence can make it difficult to obtain broad antibody patents, leading practitioners to explore alternative claiming strategies in an effort to bypass the limited scope afforded under the...more

Proskauer - The Patent Playbook

The Uncertain Future of Section 101: Patent Eligibility in the Wake of Recent Supreme Court (In)Action

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Patent eligibility under 35 U.S.C. § 101 remains one of the most hotly contested and unpredictable areas of U.S. patent law. In the years following the Supreme Court’s landmark decisions in Alice Corp. v. CLS Bank Int’l...more

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