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Patent Applications Obviousness

Volpe Koenig

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

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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

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

ArentFox Schiff

Designers Beware: Prior Utility Patent Lacking Written Support Can Anticipate Later-Filed Design Patents

ArentFox Schiff on

In its recent In re Floyd opinion, the US Court of Appeals for the Federal Circuit upheld a decision by Patent Trial and Appeal Board (PTAB) to reject a design applicant’s priority claim to an earlier utility filing for...more

Downs Rachlin Martin PLLC

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

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

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

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

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

Federal Circuit Reaffirms “Carried Forward” Requirement for Provisional Priority in Reexams and Reissues

Requesters should make sure to double cite to non-provisional and provisional if they require a provisional filing date for prior art....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

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

McDermott Will & Emery on

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)

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

DLA Piper

Federal Circuit Refines Obviousness Framework for Drug and Biologic Dosing Regimens

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The United States Court of Appeals for the Federal Circuit recently affirmed a district court ruling that a pharmaceutical dosing claim limitation was unpatentable due to obviousness-type double patenting. The court found...more

McDermott Will & Emery

Detour Ahead: New Approach to Assessing Prior Art Rejections Under § 102(e)

The US Court of Appeals for the Federal Circuit established a more demanding test for determining whether a published patent application claiming priority to a provisional application is considered prior art under pre-America...more

Lathrop GPM

Significant Federal Circuit Decision Redefines Prior Art Requirements

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Last week a remarkably interesting Federal Circuit case was decided concerning whether an asserted reference was properly shown to qualify as prior art in the rejection of a pending patent application. The pending application...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: In re: Riggs

In re: Riggs, Appeal No. 2022-1945 (Fed. Cir. Mar. 24, 2025) Our Case of the Week explores the power of an examiner to request a rehearing after the Board has entered a decision on an application. The case also relates to...more

Baker Botts L.L.P.

The Impact of Prosecution Length on Infringement Outcomes in Patent Litigation

Baker Botts L.L.P. on

This article continues our analysis of over 89,000 patents to determine how the number of office actions to allowance during prosecution impacts litigation outcomes. Last month we discussed how prosecution length impacts...more

McDermott Will & Emery

Inventor’s Motivation to Combine Does Not Control Obviousness

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed a district court decision rejecting claims of a patent application directed to a dosing regimen for a cancer treatment, finding the claims to be obvious where the...more

McDonnell Boehnen Hulbert & Berghoff LLP

Immunogen, Inc. v. Stewart (Fed. Cir. 2025)

After creating something of a frisson due to the apprehension that the Federal Circuit might be convinced to re-evaluate whether it was a necessary element for establishing obviousness for the skilled artisan to have had a...more

Foley & Lardner LLP

Leveraging USPTO Delays To Maximize Patent Term

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Before the USPTO was subject to a hiring freeze, it assumed it would onboard 400 new examiners between fiscal year 2025 and fiscal year 2026, and still predicted an increase in the backlog of unexamined patent applications....more

Polsinelli

Federal Circuit Affirms District Court’s Obviousness Judgment on ImmunoGen Patent Application

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1. Background: ImmunoGen’s Patent Application & Dispute - In 2014, ImmunoGen, Inc. (Immunogen) filed U.S. Patent Application No. 14/509,809 (the ’809 application)....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

Baker Botts L.L.P.

The Impact of Prosecution Length on Invalidity Outcomes in Patent Litigation

Baker Botts L.L.P. on

This Article analyzes over 89,000 patents litigated over a twenty-year period to determine how the number of office actions to allowance during prosecution impacts rates of invalidity during subsequent litigation. Many...more

Alston & Bird

Intellectual Property Litigation Newsletter | February 2025

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Welcome to the Intellectual Property Litigation Newsletter, our review of decisions and trends in the intellectual property arena. In this edition, we learn that the Federal Circuit always says never, patent publications...more

Smart & Biggar

Avoiding the hindsight trap in the context of a patent obviousness analysis

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While courts have often warned that hindsight bias should be avoided when assessing whether a patented invention would have been obvious to the skilled person, the application of this principle can be challenging in practice....more

McDonnell Boehnen Hulbert & Berghoff LLP

What? The Pokémon Company’s Patent Applications Are Evolving!

In September of last year, and in light of a corresponding Japanese patent infringement suit, I published an article detailing how The Pokémon Company had filed two patent applications at the United States Patent and...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

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