News & Analysis as of

Written Descriptions Claim Construction

McDonnell Boehnen Hulbert & Berghoff LLP

PureCircle USA Inc. v. SweeGen, Inc. (Fed. Cir. 2024)

Not surprisingly, the Federal Circuit visited upon Plaintiff/Appellant PureCircle two of the Four Horsemen of the Biotech Patent Apocalypse* in a decision affirming the District Court's invalidation of the claims asserted...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

Bradley Arant Boult Cummings LLP

Is SCOTUS Looking to Change the Enablement Requirement for Patents?

The Supreme Court is set to hear oral arguments in Amgen, Inc. v. Sanofi (No. 21-757) on Monday, March 27, 2023. The highly contentious question before the high court focuses what an applicant must show to meet the enablement...more

McDermott Will & Emery

A Maze-Like Path and Laundry List Don’t Provide Written Description

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board (Board) decision that there was insufficient written description in the asserted priority applications to support a genus claim because of...more

McDermott Will & Emery

Swing and a Miss: Failed Interferences Don’t Affect Later Ones

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed the Patent Trial & Appeal Board’s (Board) interference decision finding that priority belonged to the junior party based on sufficiently corroborated reduction to...more

Knobbe Martens

Niazi’s Patent Survives on Appeal: Federal Circuit Reverses In Part Lower Court’s Decision

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On April 11, 2022, Niazi Licensing Corporation (“Niazi”) succeeded in part in its appeal at the Federal Circuit in Niazi Licensing Corporation v. St. Jude Medical S.C. Inc. Niazi’s lawsuit alleged that St. Jude Medical S.C....more

Knobbe Martens

“Pliable” Language Results in “Resilient” Patent Claims

Knobbe Martens on

NIAZI LICENSING CORPORATION v. ST. JUDE MEDICAL S.C., INC. Before Taranto, Bryson, and Stoll. Appeal from the U.S. District Court for the District of Minnesota. Summary: Providing examples in the claim language and...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

McDermott Will & Emery

Count On It, Plural Term Means More Than One

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed Patent Trial & Appeal Board (Board) patentability decisions after determining that the Board did not err in construing multiple terms within the challenged patents....more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - March 2022 #2

In re: Volkswagen Group of America, Inc. and In re: Hyundai Motor America, Appeal Nos. 2022-108, -109 (Fed. Cir. Mar. 9, 2022) - In the most recent of multiple mandamus rulings issued by the Federal Circuit in relation to...more

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

2021 PTAB Year in Review: Analysis & Trends: Case Studies and Trends at the PTAB Involving 35 U.S.C. § 112

Over the last 20-plus years, US Court of Appeals for the Federal Circuit cases concerning written description and enablement have become a hot-button issue in the chemical and life sciences practices. The year 2021 was no...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

Harris Beach PLLC

Intellectual Property Law: Year in Review 2021

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Specification and Prosecution History Narrow the Plain Meaning of “0.001%.” The claim at issue included a concentration of 0.001% of PVP. The term’s plain meaning is 0.001% within one significant figure (i.e., 0.0005% to...more

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

PTAB Strategies and Insights: January 2022 - Does the Limit Exist?: Negative Limitations in Novartis v. Accord

In an appeal, Novartis Pharmaceuticals v. Accord Healthcare, Inc., the issue of whether a patent provides sufficient written description of a negative limitation split the panel at the Federal Circuit. Novartis...more

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

PTAB Strategies and Insights: January 2022

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

Haug Partners LLP

AztraZeneca AB v. Mylan Pharms. Inc.: Claim Construction of a Percentage Term Guided by the Written Description and Prosecution...

Haug Partners LLP on

On December 8, 2021, the Federal Circuit in AztraZeneca AB v. Mylan Pharms. Inc. held that the claim construction of a percentage term should “‘most naturally align[] with the patent’s description of the invention,’ as...more

McDermott Will & Emery

Rounding Error: Intrinsic Evidence Informs Plain and Ordinary Meaning

McDermott Will & Emery on

Vacating a stipulated infringement judgment based on an incorrect claim construction, the US Court of Appeals for the Federal Circuit explained that it is improper to isolate claim language from the intrinsic evidence when...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

Buckingham, Doolittle & Burroughs, LLC

Dear Patenticity: Patent Prophet

Dear Patenticity, I have a chemical invention and I want to obtain the broadest coverage I can. The problem is I have not done much lab work, so I only have a couple real examples. I know that the written description...more

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

PTAB Strategies and Insights - August 2021: Federal Circuit Remands for Board's Improper Use of Extrinsic Evidence During Claim...

In Seabed Geosolutions (US) Inc. v. Magseis FF LLC, the Federal Circuit vacated and remanded an inter partes review decision for the Patent Owner. The Court held that the Patent Trial and Review Board failed to perform the...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

Haug Partners LLP

The Federal Circuit Says Prosecution History Was Insufficient to Overcome the Claims and Written Description for Claim...

Haug Partners LLP on

Baxalta Inc. v. Genentech, Inc., 2019-1527, (Fed. Cir. Aug 27, 2020) - In an appeal from the District of Delaware, the Federal Circuit (Judges Moore, Plager, and Wallach) vacated and remanded the district court’s judgment...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

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