News & Analysis as of

Hatch-Waxman Claim Construction Patent Litigation

Robins Kaplan LLP

Boehringer Ingelheim Pharms. Inc. v. Apotex Inc.

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Tradjenta® (linagliptin) - Case Name: Boehringer Ingelheim Pharms. Inc. v. Apotex Inc., Civ. No. 23-685-CFC, 2025 WL 71979 (D. Del. Jan. 10, 2025) (Connolly, J.)  Drug Product and Patent(s)-in-Suit: Tradjenta® (linagliptin);...more

Robins Kaplan LLP

Taiho Pharma Co. v. MSN Labs Private Ltd.

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Lonsurf® (tipiracil) - Case Name: Taiho Pharma Co. v. MSN Labs Private Ltd., No. 19-2342-JLH (D. Del. Jan. 23, 2025) (Hall, J.)  Drug Product and Patent(s)-in-Suit: Lonsurf® (tipiracil); U.S. Patent No. 10,457,666 (“the ’666...more

Robins Kaplan LLP

Alcon Inc. v. Padagis Israel Pharms. Ltd.

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Simbrinza® (brinzolamide / brimonidine) - Case Name: Alcon Inc. v. Padagis Israel Pharms. Ltd., Civ. No. 22-1422-WCB, 2025 WL 457119 (D. Del. Feb. 5, 2025) (Bryson, C.J.)  Drug Product and Patent(s)-in-Suit:  Simbrinza®...more

Knobbe Martens

Hard to Stomach: Things You Say to Prosecute a Patent Can and Will Be Used Against You

Knobbe Martens on

AZURITY PHARMACEUTICALS, INC. v. ALKEM LABORATORIES LTD. Before Murphy, Moore, and Chen. Appeal from the United States District Court for the District of Delaware. Arguments and amendments made during prosecution of a parent...more

Robins Kaplan LLP

In re Entresto

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Entresto® (valsartan/sacubitril) - Case Name: In re Entresto, 125 F.4th 1090 (Fed. Cir. Jan. 10, 2025) (Circuit Judges Lourie, Prost, and Reyna presiding; Opinion by Lourie, C.J.) (Appeal from D. Del., Andrews, J.)  Drug...more

McDermott Will & Emery

Prosecution Disclaimer Alive and Well, Especially in Closed Claim

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The US Court of Appeals for the Federal Circuit affirmed a district court’s noninfringement determination, finding that the presence of a disclaimed compound in the accused product precluded infringement. Azurity Pharm., Inc....more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Azurity Pharmaceuticals, Inc. v. Alkem Laboratories Ltd.

Azurity Pharmaceuticals, Inc. v. Alkem Laboratories Ltd., Appeal No. 2023-1977 (Fed. Cir. Apr. 8, 2025) In our Case of the Week, the Federal Circuit affirmed that defendant Alkem’s proposed generic antibiotic did not...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Actavis Labs. FL, Inc. v. United States

Actavis Labs. FL, Inc. v. United States, Appeal No. 2023-1320 (Fed. Cir. Mar. 21, 2025) Our Case of the Week, in the words of its author, Circuit Judge Stark, “is not actually a patent case. It is, instead, a tax case.” In...more

Polsinelli

New PTAB Guidance on Enabling Requirement Under § 102 of the AIA and Construction of Chemical Compound

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Synopsis: In a recently issued final written decision, the Patent Trial and Appeal Board (the “Board”) found all challenged claims of U.S. Patent No.11,572,334 (“the ’334 patent”) unpatentable.1 The Board’s decision centered...more

Robins Kaplan LLP

Novartis Pharms. Corp. v. MSN Pharms., Inc.

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Entresto® (valsartan/sacubitril) - Case Name: Novartis Pharms. Corp. v. MSN Pharms., Inc., Nos. 2024-2211, 2024-2212, 2024 WL 4969281 (Fed. Cir. Dec. 4, 2024) (Circuit Judges Lourie, Prost, and Reyna presiding; Opinion by...more

DLA Piper

Case-Narrowing Decisions are a One-Way Street: Reviewing Exeltis USA v. Lupin Ltd.

DLA Piper on

Exeltis USA, Inc. and other parties (Exeltis) recently prevailed against Lupin Ltd. and Lupin Pharmaceuticals, Inc. (Lupin) in a patent infringement suit brought in the District of Delaware. After a three-day bench trial, the...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - December 2024 #3

CloudofChange, LLC v. NCR Corp., Appeal No. 2023-1111 (Fed. Cir. Dec. 18, 2024) In our Case of the Week, the Federal Circuit addressed the question of divided infringement in the context of system claims. In its...more

Womble Bond Dickinson

Unexpected Results in Hatch Waxman Litigation: A Review of Legal Decisions from 2023

Womble Bond Dickinson on

Patent owners generally look to secondary indicia to bolster their nonobvious defenses when prior art and/or knowledge of a person of ordinary skill in the art (“POSA”) seem to make the obviousness decision a close call. This...more

Morrison & Foerster LLP - Federal Circuitry

Last Week In The Federal Circuit (July 31 – August 4): Federal Circuit Reminds To Focus On The Claims

This week’s case of the (recent) week could serve as a crash course in several areas of patent law. It touches on Hatch-Waxman litigation and the Orange Book, claim construction, anticipation/obviousness, written description...more

Robins Kaplan LLP

AstraZeneca AB v. Mylan Pharms., Inc. Symbicort® (Budesonide and Formoterol)

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Case Name: AstraZeneca AB v. Mylan Pharms., Inc., No. 22-cv-35, 2022 WL 2707729 (N.D.W.V. July 12, 2022) (Bailey, J.) Drug Product and Patent(s)-in-Suit: Symbicort® (budesonide and formoterol); U.S. Patent No. 11,311,558...more

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

2021 PTAB Year in Review: Analysis & Trends: Biologics at the PTAB: Statistics and Insights into Notable Biologics Decisions

In June 2021, the US Patent and Trademark Office (USPTO) published an update to its study of America Invents Act (AIA) trials involving challenges to Orange Book-listed and biologic patents from September 16, 2012, through...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

Robins Kaplan LLP

Horizon Medicines LLC v. Alkem Labs. Ltd. (UPDATED)

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Case Name: Horizon Medicines LLC v. Alkem Labs. Ltd., No. 2021-1480, 2021 WL 5315424 (Fed. Cir. Nov. 16, 2021) (Circuit Judges Dyk, O’Malley, and Hughes presiding; Opinion by Dyk, J.) (Appeal from D. Del., Andrews, J.)...more

WilmerHale

CAFC Patent Cases, 10/26/20 – 11/09/20

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Precedential Federal Circuit Opinions: In Re NITRO FLUIDS L.L.C. [ORDER] (2020-0142, 10/28/28) (REYNA, WALLACH, and CHEN)  - Reyna, J.  The Court considered a petition for a writ of mandamus seeking transfer from the...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - August 2019 #3

PATENT CASE OF THE WEEK - Nalpropion Pharmaceuticals, Inc. v. Actavis Laboratories, FL, Inc., Appeal No. 2018-1221 (Fed. Cir. Aug. 15, 2019) - This week’s Case of the Week focuses on issues relating to written...more

WilmerHale

Federal Circuit Patent Updates - April 2018

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01 Communique Laboratory, Inc. v. Citrix Online, LLC (No. 2017-1869, 4/26/18) (Newman, Mayer, Stoll) - Mayer J. Affirming plaintiff's motion for a new trial motion. The defendant did not improperly assert a “practicing...more

BakerHostetler

[Webinar] Patent Law: 2017 Year End Review (and 2018 Preview) - February 28th, 12:00pm ET

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This timely and fast-moving webinar provides insight for business leaders and legal counsel, highlighting many of the significant holdings by the Supreme Court and Federal Circuit in patent cases in 2017 and what issues are...more

Jones Day

Federal Circuit Clarifies Probative Value of Patent Dance Statements

Jones Day on

The Situation: The Biologics Price Competition and Innovation Act was considered in a November 2017 decision by the United States Court of Appeals for the Federal Circuit. The Result: The court found that the commercial...more

Morris James LLP

Claims Are Construed In Contrave Tablets Case

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Andrews, J. Claim construction opinion issues regarding three terms from two patents. A Markman hearing took place on May 24, 2016....more

WilmerHale

Federal Circuit Patent Updates - March 2016

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Clare v. Chrysler Group LLC (No. 2015-1999, 3/31/16) (Prost, Moore, Wallach) - Moore, J. Affirming summary judgment of non-infringement of patents related to storage compartment for pickup trucks. The Court rejected...more

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