News & Analysis as of

Claim Construction Patents Pharmaceutical Industry

Venable LLP

Spotlight On: Prolia® / Xgeva® (denosumab) / Jubbonti® / Wyost® (denosumab-bbdz) / Ospomyv™ / Xbryk™ (denosumab-dssb) / Stoboclo®...

Venable LLP on

Denosumab Challenged Claim Types in Litigation: Claims are counted in each litigation, so claims from the same patent challenged in multiple litigations are counted more than once. Within each litigation a claim is counted...more

McDermott Will & Emery

Prosecution Disclaimer Alive and Well, Especially in Closed Claim

McDermott Will & Emery on

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: In re: Xencor, Inc.

In re: Xencor, Inc., Appeal No. 2024-1870 (Fed. Cir. Mar. 13, 2025) Our case of the week is an appeal from a decision of the Appeals Review Panel of the Patent Trial and Appeal Board, concerning Xencor’s patent application...more

BakerHostetler

A Later-Discovered Improvement to an Invention Cannot Be Used To Reach Back and Invalidate an Earlier-Filed Patent

BakerHostetler on

Novartis markets and sells a combination therapy of valsartan and sacubitril under the brand name Entresto® for the treatment of various forms of heart failure. MSN submitted an Abbreviated New Drug Application seeking...more

Polsinelli

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

Polsinelli on

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

Exelixis, Inc. v. MSN Labs. Private Ltd.

Robins Kaplan LLP on

Cabometyx® (cabozantinib (L)-malate) - Case Name: Exelixis, Inc. v. MSN Labs. Private Ltd., No. 22-228-RGA, 2024 WL 4491176 (D. Del. Oct. 15, 2024) (Andrews, J.)  Drug Product and Patent(s)-in-Suit: Cabometyx®...more

Robins Kaplan LLP

Melinta Therapeutics, LLC v. Nexus Pharms., Inc.

Robins Kaplan LLP on

Minocin® (minocycline) - Case Name: Melinta Therapeutics, LLC v. Nexus Pharms., Inc., Civ. No. 21-2636, 2024 WL 4799896 (N.D. Ill. Nov. 15, 2024) (Kness, J.)  Drug Product and Patent(s)-in-Suit: Minocin® (minocycline);...more

Sheppard Mullin Richter & Hampton LLP

Federal Circuit Highlights the Importance of Separating Claim Construction and Infringement Analysis When Dealing with...

Novartis Pharmaceuticals Corporation v. Torrent Pharma Inc., No. 23-2218 (Fed. Cir. 2025) — On January 10, 2025, the Federal Circuit reversed the district court’s opinion that claims of a Novartis patent are invalid for lack...more

Smart & Biggar

Canadian patent law 2024: a year in review

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2024 was an active year in Canadian patent law, with the Federal Court issuing several decisions on the merits regarding invalidity and/or infringement. The courts also considered issues of the regulation of patent agents,...more

McDermott Will & Emery

Complex or Not Written Description Is Evaluated Against Claims

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The US Court of Appeals for the Federal Circuit reversed a district court’s ruling of invalidity for lack of written description, finding that the district court erred in its analysis of written description because patents...more

Knobbe Martens

A Patent Must Describe What Is Claimed, Not What Infringes

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Before Lourie, Prost, and Reyna. Appeal from the U.S. District Court for the District of Delaware. Summary: A patent was not invalid for lack of written description for failing to describe the specific infringing embodiment...more

Lathrop GPM

Federal Circuit Upholds Validity of Entresto Patent In Precedential Decision Concerning Written Description and Enablement

Lathrop GPM on

In a Jan. 10 precedential ruling by the United States Court of Appeals for the Federal Circuit, the validity of the U.S. patent covering Novartis’s blockbuster drug Entresto was upheld, reversing an earlier decision by the...more

McDermott Will & Emery

Skilled Artisan’s View Is Decisive in Assessing Asserted Claim Drafting Error

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The Court of Appeal (CoA) of the Unified Patent Court (UPC) clarified the legal standard for correcting obvious type inaccuracies in patent claims, explaining that the view of a skilled person at the filing date is decisive...more

Alston & Bird

Patent Case Summaries | Week Ending January 10, 2025

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Novartis Pharmaceuticals Corp. v. Torrent Pharma Inc., et al., Nos. 2023-2218, -2220, -2221 (Fed. Cir. (D. Del.) Jan. 10, 2025). Opinion by Lourie, joined by Prost and Reyna. The FDA approved a New Drug Application from...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

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

Alston & Bird

Patent Case Summaries | Week Ending September 20, 2024

Alston & Bird on

Vascular Solutions LLC, et al. v. Medtronic, Inc., et al., No. 2024-1398 (Fed. Cir. (D. Minn.) Sept. 16, 2024). Opinion by Mazzant (sitting by designation), joined by Moore and Prost....more

Goodwin

Del. Judge Connolly Says Preambles Are Limiting, Cites Alice in Wonderland, and Invites the Federal Circuit to Weigh In

Goodwin on

Back in May 2023, Alnylam brought suit against Pfizer and BioNTech in the District of Delaware, alleging infringement of patents directed to vaccine lipid nanoparticle technology. On August 12, 2024, Chief Judge Connolly...more

Mintz - Intellectual Property Viewpoints

Do Patent Claims to Methods of Treatment Cover In Vivo Transformations?

Where an alleged infringer administers a substance A to a subject, and the substance is subsequently transformed to a therapeutic agent X inside the subject’s body, does the administration of the substance A constitute an act...more

WilmerHale

Federal Circuit Patent Watch: A comparative statement in a patent specification can be “definitional” for purposes of claim...

WilmerHale on

Precedential and Key Federal Circuit Opinions - 1.  PARKERVISION, INC. v. VIDAL [OPINION] (2022-1548, 12/15/2023) (Prost, Wallach, and Chen)* - Chen, J. The Court affirmed the PTAB’s determination that the patent...more

WilmerHale

Federal Circuit Patent Watch: Federal Circuit rejects invitation to create a bright-line rule regarding whether numerical ranges...

WilmerHale on

Precedential and Key Federal Circuit Opinions - MALVERN PANALYTICAL INC. v. TA INSTRUMENTS-WATERS LLC [OPINION] (2022-1439, 11/1/2023) (Prost, Hughes, and Cunningham) - Prost, J. The Court vacated the district court’s...more

Knobbe Martens

Federal Circuit Says Extrinsic Evidence Should Have Been Considered in Claim Construction

Knobbe Martens on

In a recent precedential opinion, the Court of Appeals for the Federal Circuit vacated an infringement judgement against Mylan (Actelion Pharmaceuticals Ltd. v. Mylan Pharmaceuticals Inc., No. 2022-1889, Fed. Cir. Nov. 6,...more

BakerHostetler

Method of Treatment Claims Are Not Invalid for Lacking Written Description or Enablement Simply Because the Treatment Is Not Safe...

BakerHostetler on

The Federal Circuit’s recent decision in United Therapeutics Corp. v. Liquidia Techs., Inc., No. 2022-2217, 2023 WL 4695903 (Fed. Cir. July 24, 2023), provides an interesting discussion on the written description and...more

McDonnell Boehnen Hulbert & Berghoff LLP

Medytox, Inc. v. Galderma S.A. (Fed. Cir. 2023)

It is not surprising that the Federal Circuit has taken the opportunity to apply the Supreme Court's recent precedent in Amgen v. Sanofi regarding the sufficiency of disclosure needed to satisfy the statutory enablement...more

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