News & Analysis as of

Written Descriptions Prior Art

McDermott Will & Emery

Holy Pulmonary Hypertension, Batman: Method of Treatment Not Constrained by Safety and Efficacy

The US Court of Appeals for the Federal Circuit affirmed a district court’s holding that the asserted method of treatment patent was valid and infringed because safety and efficacy are not patent concerns. The Federal Circuit...more

McDermott Will & Emery

First Rule of the PTAB? Play by the Rules

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The US Court of Appeals for the Federal Circuit affirmed two Patent Trial & Appeal Board decisions holding the challenged claims unpatentable as obvious, even though the Board declined to consider evidence of antedating and...more

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit: Prior Art Disclosure with Same Specificity as Patent Inherently Anticipates Claims

In a recent appeal from the PTAB, the Federal Circuit held that claims of a patent were inherently anticipated where the patent and prior art incorporated the same reference to describe a process for making the claimed...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.

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

Harris Beach PLLC

Federal Circuit Imposes Heightened Standard for Written Description Support of Negative Claim Limitations

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In Novartis Pharmaceuticals Corp. v. Accord Healthcare, Inc., the U.S. Court of Appeals for the Federal Circuit (“Federal Circuit”) held patent claims invalid for lack of written description where a negative limitation was...more

McDermott Will & Emery

Outlier? Split Federal Circuit Denies En Banc Review of Written Description Requirement

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The US Court of Appeals for the Federal Circuit denied a patent owner’s request for en banc rehearing of a panel decision that invalidated a patent for lack of written description on the basis that a person of skill in the...more

McDermott Will & Emery

Federal Circuit Won’t Rescue Parachute Patent

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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

Snell & Wilmer

Federal Circuit Upholds a Silent Written Description

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In a precedential opinion this week, the Federal Circuit affirmed a district court judgment in favor of Novartis Pharmaceuticals, in an appeal brought by HEC Pharm challenging the written description in Novartis’s 9,187,405...more

McDonnell Boehnen Hulbert & Berghoff LLP

Novartis Pharmaceuticals Corp. v. Accord Healthcare, Inc. (Fed. Cir. 2022)

When does the absence of evidence turn into evidence of absence, and when does such absence amount to an adequate written description of the absence of a step of a method claim?  This is a question that comes readily to mind...more

Haug Partners LLP

No Clear Error to Find Lack of Written Description for a Method of Treatment Patent Despite Separate Disclosures of the Drug,...

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Biogen International GMBH, Biogen MA, Inc., v. Mylan Pharmaceuticals Inc. marks the Federal Circuit’s most recent interpretation of the 35 U.S.C. § 112 written description requirement in the Hatch-Waxman context. No....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

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit Finds Written Description for a Claimed Range Not Met by Specific Examples Within the Range

In a recent decision issued in Indivior UK Limited v. Dr. Reddy’s Laboratories, the Federal Circuit affirmed a decision from the PTAB that a limitation to range of polymer weight percentages lacked written description support...more

MoFo Life Sciences

Traversing Higher Hurdles For Functional Limitations Under Section 112

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Genus claims have long been an important component of patent strategy, extending coverage around a lead compound to stop would-be competitors. Recent decisions from the Federal Circuit, however, highlight a tightening...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

McDonnell Boehnen Hulbert & Berghoff LLP

Juno Therapeutics, Inc. v. Kite Pharma, Inc. (Fed. Cir. 2021)

Dominating the entering gallery of the Impressionists exhibit at the Art Institute of Chicago is Georges Seurat's A Sunday on La Grande Jatte (see below). Painted in the pointillist style, the work comprises millions of...more

Amundsen Davis LLC

Invention Disclosure Form: Why Does It Matter?

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One of the first things patent attorneys will do, when you speak with them about filing a patent application, is send you an invention disclosure form to be filled out. Many companies also complete invention disclosure forms...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

Fitch, Even, Tabin & Flannery LLP

Federal Circuit Finds No Alternative Holding in District Court Opinion and Rejects Appeal

On April 20, in Sebela Ireland v. Prinston Pharmaceutical, the Federal Circuit held that Sebela’s appeal challenged only contingent patent invalidity findings and dismissed the appeal for lack of constitutional standing. In...more

McDonnell Boehnen Hulbert & Berghoff LLP

PTAB Sets Preliminary Motions in Broad v. ToolGen Interference

On March 1st, the U.S. Patent and Trademark Office Patent Trial and Appeal Board (PTAB) issued its Order on the Preliminary Motions Lists submitted by Junior Party The Broad Institute, the Massachusetts Institute of...more

McDonnell Boehnen Hulbert & Berghoff LLP

PTAB Sets Preliminary Motions in CVC v. ToolGen Interference

On March 1st, the U.S. Patent and Trademark Office Patent Trial and Appeal Board (PTAB) issued its Order on the Preliminary Motions Lists submitted by Junior Party University of California/Berkeley, University of Vienna, and...more

Manatt, Phelps & Phillips, LLP

Patent Held Invalid—Specification Disclaimer Prevented Claim to Earlier Priority Date

In Akeva L.L.C., v. Nike, Inc., the Federal Circuit held that a disclaimer in a specification that excluded a particular embodiment prevented later claims in the continuation patents from claiming the excluded embodiment,...more

McDonnell Boehnen Hulbert & Berghoff LLP

Supreme Court Denies Certiorari in Actavis Laboratories v. Nalproprion Pharmaceuticals

In the Supreme Court's recent clarifying campaign through the Federal Circuit's U.S. patent law jurisprudence, one section of the statute, 35 U.S.C. §112(a) has been noticeably left unscathed. Indeed, avoidance of this...more

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