News & Analysis as of

Prior Art Patent Invalidity Patent Applications

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

A&O Shearman

Federal Circuit Clarifies Requirements For A Prior Art Reference’s Entitlement To The Filing Date Of A Provisional Application To...

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On March 24, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) issued an opinion vacating and remanding a decision of the U.S. Patent Trial and Appeal Board (the “Board”) that a published patent application...more

Saul Ewing LLP

What Intellectual Property Owners Need to Know Today About Obviousness-Type Double Patenting

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What You Need to Know: • Instead of filing multiple applications claiming different aspects of an invention but not sharing a single priority chain, patentees should strive to file highly comprehensive applications that...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

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

Sterne Kessler’s Reissue, Reexamination, and Supplemental Examination Practice Tips – February 2025

In the mid-2000s, the U.S. Patent Office (USPTO) determined that reexaminations would be more consistent and legally correct if performed by a centralized set of experienced and specially trained Examiners. As a result, the...more

Dorsey & Whitney LLP

When Is a Published Patent Application Prior Art?

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In a precedential opinion entered on January 14, 2025, the United States Court of Appeals for the Federal Circuit affirmed a decision of the Patent Trial and Appeal Board (“PTAB”) invalidating claims of a patent on...more

McDermott Will & Emery

A Lynk to the Past: Published Applications Are Prior Art as of Filing Date

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The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board decision finding challenged claims invalid based on a published patent application that, in an inter partes review (IPR) proceeding, was...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

WilmerHale

Federal Circuit’s Decision Confirms That Published Patent Applications Are Prior Art In IPRs As Of Their Filing Date

WilmerHale on

On January 14, 2025, the Court of Appeals for the Federal Circuit in Lynk Labs, Inc. v. Samsung Electronics Co., Ltd., No. 2023-2346 (Fed. Cir.), affirmed the Patent Trial and Appeal Board’s ruling that “a published patent...more

Wolf, Greenfield & Sacks, P.C.

Published Application Art at the PTAB: Lynk Labs v. Samsung Electronics, Co., Ltd.

In Lynk Labs, Inc., v. Samsung Electronics Co., Ltd., the Federal Circuit reinforced that patent applications may serve as prior art in IPR proceedings as of their filing date—even where those applications were not published...more

Axinn, Veltrop & Harkrider LLP

A POSA’s Motivation Is Not Required To Be the Same as the Inventor’s in Evaluating Obviousness

In its first precedential opinion of 2025, Honeywell v. 3G Licensing, No. 2023-1354, the Federal Circuit held that a person of ordinary skill in the art (POSA) needs not to have the same motivation as the inventor in an...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - April 2024 #3

Luv N’ Care, Ltd. v. Lindsey Laurain, Appeal Nos. 2022-1905, -1970 (Fed. Cir. Apr.12, 2024) - In this week’s Case of the Week, the Federal Circuit affirmed the district court’s bench trial decision that unclean hands...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - December 2023

Penumbra, Inc. v. Rapidpulse, Inc., IPR2021-01466, Paper 34 (P.T.A.B. March 10, 2023) In a PTAB decision that was recently designated precedential, the Board made two important decisions concerning provisional patent...more

Bradley Arant Boult Cummings LLP

Searching for Claim Support in a Patent Specification? You Better Blaze a Trail

Last month the Federal Circuit affirmed a PTAB inter partes review (IPR) decision finding that the University of Minnesota’s patent claim directed to the anti-cancer drug sofosbuvir was not adequately supported by the written...more

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

2022 Design Patents Year in Review: Analysis & Trends

Last year, in our inaugural issue of “The Year in Review,” we reported that since the landmark jury verdict in the IP litigation between Apple and Samsung in 2012, which awarded more than $1B to Apple for infringement of...more

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

[Webinar] 2022 PTAB Year in Review: Analysis and Trends - February 28th, 1:00 pm - 2:00 pm EST

Speakers will offer updates, case summaries, and analysis of the significant 2022 PTAB guidance, actions, and rulings. Topics include: the Director’s 2022 Fintiv guidance, PTAB discretionary denial, the use of applicant...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions

As part of the recovery from the global COVID-19 pandemic, the U.S. Court of Appeals for the Federal Circuit took steps to return to normal operations. It began requiring live oral arguments in August 2022 and, by November,...more

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

2021 PTAB Year in Review: Analysis & Trends

[co-author: Jamie Dohopolski] Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed...more

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

2021 Design Patents Year in Review: Analysis and Trends

This year, we will mark the 10-year anniversary of the first jury verdict in the landmark IP litigation between Apple and Samsung, which resulted in the jury awarding more than $1B to Apple. More than $500M of that award was...more

Knobbe Martens

Federal Circuit Review - November 2019

Knobbe Martens on

The Appointments Clause: Ensuring That PTAB Decisions Are Subject to Constitutional Checks and Balances  In Arthrex, Inc. v. Smith & Nephew, Inc., Appeal No. 18-2251, the Federal Circuit ruled that, under the then-existing...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - September 2018 #3

PATENT CASE OF THE WEEK - Acorda Therapeutics, Inc. v. Roxane Laboratories, Inc., Appeal Nos. 2017-2078, -2134 (Fed. Cir. Sept. 10, 2018) The Federal Circuit affirmed the district court’s ruling following a bench trial,...more

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

PTAB Strategies and Insights - June 2018: How to Survive Post-Grant Proceedings

Though it can be difficult to avoid post-grant challenges, patents can be drafted to increase the chances of survival. In today’s environment, patents subject to post-grant proceedings face a very high likelihood of being...more

Schwabe, Williamson & Wyatt PC

Fresh From the Bench: Latest Federal Circuit Court Cases

PATENT CASE OF THE WEEK - Droplets, Inc. v. E*TRADE Bank., Appeal No. 2016-2504 (Fed. Cir. 2018)?- In an appeal from an inter partes review, the Federal Circuit affirmed a decision by the PTAB invalidating a patent...more

BakerHostetler

Federal Circuit Looks to Provisional Patent Application in Determining Claim Scope

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Differences between a provisional patent application and a nonprovisional application claiming priority to the provisional application may inform claim construction, following the Federal Circuit’s recent decision in MPHJ...more

McDonnell Boehnen Hulbert & Berghoff LLP

In re Nuvasive (Fed. Cir. 2016)

In a precedential decision the Federal Circuit vacated and remanded a Patent Trial and Appeal Board decision invalidating claims from Nuvasive's U.S. Patent No. 8,361,156 in an inter partes review instituted on a petition by...more

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