News & Analysis as of

Written Descriptions Prior Art Claim Construction

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

Lathrop GPM

Significant Federal Circuit Decision Redefines Prior Art Requirements

Lathrop GPM on

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

Baker Botts L.L.P.

Third Quarter 2024 Federal Circuit Law Update

Baker Botts L.L.P. on

Since serving as a Federal Circuit clerk, Michael Hawes has monitored that court's precedential opinions and prepares a deeply outlined index by subject matter (invalidity, infringement, claim construction, etc.) of relevant...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

McDermott Will & Emery

Federal Circuit Won’t Rescue Parachute Patent

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board (Board) decision that claims to a ballistic parachute were obvious over the prior art based on knowledge attributable to artisans and...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

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - December 2021 #2

AstraZeneca AB v. Mylan Pharmaceuticals Inc., Appeal No. 2021-1729 (Fed. Cir. Dec. 8, 2021) - Our Case of the Week again focuses on numerical values in claims. Last week we addressed a case involving whether there was...more

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

PTAB Strategies and Insights - August 2021

The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...more

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

PTAB Strategies and Insights - May 2021: Federal Circuit Starts to Clarify Section 325(e)(2) Estoppel

In Olaplex, Inc. v L’Oréal USA, Inc. the Federal Circuit addressed, among other issues, PGR estoppel in subsequent district court litigation. Here, the Court addressed the timing to raise estoppel regarding written...more

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

PTAB Strategies and Insights - May 2021

The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...more

Knobbe Martens

Specification’s Narrow Description of the Invention Results in Disavowal of Claim Scope

Knobbe Martens on

TECHTRONIC INDUSTRIES CO. LTD. v. ITC - Before Lourie, Dyk, and Wallach. Appeal from the U.S. International Trade Commission. Summary: Consistent description in the specification of a particular embodiment as the...more

McDermott Will & Emery

“Tangential Relation” Exception Saves Patentee’s Reliance on DOE

McDermott Will & Emery on

Addressing an infringement determination under the doctrine of equivalents (DOE), the US Court of Appeals for the Federal Circuit found that the “tangential relation” exception to the doctrine of prosecution history estoppel...more

Bradley Arant Boult Cummings LLP

A Federal Circuit Prescription to Take Away the Pain for Generics - Intellectual Property News

The Federal Circuit recently reversed a lower court’s ruling of validity under the § 112 written description requirement effectively opening the door for a number of generic drug manufacturers to enter the market with a...more

Knobbe Martens

Finding No Unambiguous Definition in Record, Federal Circuit Applies Plain Meaning to Disputed PTAB Construction

Knobbe Martens on

BRADIUM TECHNOLOGIES LLC V. ANDREI IANCU - Before Moore, Reyna, and Chen. Appeal from the Patent Trial and Appeal Board. Summary: A clear and unambiguous definition of a claim term is required to redefine the term to...more

Knobbe Martens

TF3 Limited v. TRE Milano, LLC

Knobbe Martens on

Federal Circuit Summary - Before Newman, Lourie, and Hughes. Appeal from the Patent Trial and Appeal Board. Summary: Claim construction was not reasonable where it extended the breadth of the claims beyond what was...more

Schwabe, Williamson & Wyatt PC

Fresh From the Bench: Latest Federal Circuit Court Cases

PATENT CASE OF THE WEEK - SimpleAir, Inc. v. Google LLC, Appeal No. 2016-2738 (Fed. Cir. 2018) - In SimpleAir, Inc. v Google LLC, the Federal Circuit vacated a district court’s motion to dismiss pursuant to Rule...more

Schwabe, Williamson & Wyatt PC

2017 Supreme Court and Precedential Patent Cases From the Federal Circuit, With Some Significant Cases from 2016

Arbitration - Waymo v. Uber Technologies, 870 F.3d 1342 (Fed. Cir. 2017) - Waymo sued Uber and others for trade secret misappropriation and patent infringement. Uber contends that Waymo should be compelled to...more

Robins Kaplan LLP

GENERICally Speaking - Vol. 4, No. 1

Robins Kaplan LLP on

The Hatch-Waxman Litigation and Life Sciences practice groups at Robins, Kaplan, Miller & Ciresi L.L.P. are pleased to offer the latest edition of their quarterly publication regarding ANDA patent litigation issues and the...more

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