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Pharmaceutical Patents Patents Claim Construction

Alston & Bird

Patent Case Summaries | Week Ending July 18, 2025

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Shockwave Medical, Inc. v. Cardiovascular Systems, Inc., et al., Nos. 2023-1864, -1940 (Fed. Cir. (PTAB) July 14, 2025). Opinion by Dyk, joined by Lourie and Cunningham....more

Sheppard Mullin Richter & Hampton LLP

Lexicography: Clear And Unequivocal

This Federal Circuit opinion analyzes lexicography in the context of claim construction. Alnylam Pharmaceuticals owns U.S. Patent Nos. 11,246,933 (parent) and 11,382,979 (child). These patents relate to biodegradable...more

Carlton Fields

Court Finds MSN Does Not Infringe Novartis’s Patent and Clears the Way for Generic Entresto

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In In re Entresto (Sacubitril/Valsartan) Patent Litigation, Judge Richard G. Andrews of the U.S. District Court for the District of Delaware granted MSN Pharmaceuticals Inc. a victory on noninfringement of U.S. Patent No....more

Venable LLP

Spotlight On: Actemra® (tocilizumab) / Tofidence™ (tocilizumab-bavi) / Tyenne® (tocilizumab-aazg) / Avtozma® (tocilizumab-anoh) -...

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Tocilizumab Challenged Claim Types in IPRs: Claims are counted in each IPR, so claims from the same patent challenged in multiple IPRs are counted more than once. Within each IPR, claims are counted only once, whether they...more

Cooley LLP

Janssen v. Teva: Federal Circuit Upholds Claims to Pharmaceutical Dosing Regimen, Clarifies Presumption of Obviousness for...

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On July 8, the US Court of Appeals for the Federal Circuit issued a precedential opinion in Janssen Pharmaceuticals, Inc. et al. v. Teva Pharmaceuticals USA, Inc. affirming the district court’s finding that patent claims to a...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Janssen Pharmaceuticals, Inc. v. Teva Pharmaceuticals USA, Inc.

Janssen Pharmaceuticals, Inc. v. Teva Pharmaceuticals USA, Inc., Appeal Nos. 2025-1228, -1252 (Fed. Cir. July 8, 2025) Our Case of the Week focuses on obviousness. More particularly, the decision included a lengthy...more

McDermott Will & Schulte

Prosecution history primacy: “Consisting essentially of” means what applicant said it meant

In a decision that underscores the primacy of prosecution history to determine claim scope, the US Court of Appeals for the Federal Circuit reversed the Patent Trial & Appeal Board’s interpretation of the transitional phrase...more

McDonnell Boehnen Hulbert & Berghoff LLP

Eye Therapies LLC v. Slayback Pharma, LLC (Fed. Cir. 2025)

Patent law in many respects has its own language and idiosyncratic expressions, and one such respect involves so-called "transitional" words or phrases (discussed in greater depth in the Manual of Patent Examination Procedure...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Eye Therapies, LLC v. Slayback Pharma, LLC

Eye Therapies, LLC v. Slayback Pharma, LLC, Appeal No. 2023-2173 (Fed. Cir. June 30, 2025) In its only precedential patent opinion last week, the Federal Circuit reviewed construction of the transitional claim phrase...more

Venable LLP

Pembrolizumab Patent IPR Final Written Decision Issued and Director Review Requested

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On June 9, 2025, the Patent Trial and Appeal Board (“Board”) issued a Final Written Decision (“FWD”) in Merck’s IPR2024-00240 against The Johns Hopkins University’s (“JHU”) U.S. Patent No. 11,591,393 (“the ’393 patent”),...more

Proskauer - The Patent Playbook

Eyes Open to the Past: Federal Circuit Holds Prosecution History Is Claim Construction Evidence

The Federal Circuit’s decision in Eye Therapies, LLC v. Slayback Pharma, LLC provides further insight into the tools available for patent claim construction. The Federal Circuit had previously held that a patent’s...more

Knobbe Martens

No Takebacks: The High Bar for Departing From Patent Lexicography

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ALNYLAM PHARMACEUTICALS, INC. v. MODERNA, INC. - Before Taranto, Chen, and Hughes. Appeal from the United States District Court for the District of Delaware. Once the high threshold for lexicography is met, there must be a...more

Foley Hoag LLP

The Enlarged Board of Appeal of the EPO Further Aligns Claim Construction With U.S. and U.K.

Foley Hoag LLP on

Key Takeaways: - The Enlarged Board of Appeal (EBA) of the European Patent Office (EPO) issued its opinion in G1/24 on June 18, 2025 resolving divergent case law on how patent claims should be interpreted at the EPO. - The...more

Venable LLP

Spotlight On: Enbrel® (etanercept) / Erelzi® (etanercept-szzs) / Eticovo® (etanercept-ykro) - June 2025

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Etanercept Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

WilmerHale

Federal Circuit Patent Watch: An Enabling Anticipatory Prior Art Reference Need Only Enable a Single Embodiment of the Claim

WilmerHale on

Precedential and Key Federal Circuit Opinions - ALNYLAM PHARMACEUTICALS, INC. v. MODERNA, INC. [OPINION] (2023-2357, 06/04/2025) (Taranto, Chen, Hughes) - Taranto, J. The Court affirmed the district court’s claim...more

Venable LLP

Spotlight On: Herceptin® (trastuzumab) / Ogivri® (trastuzumab-dkst) / Herzuma® (trastuzumab-pkrb) / Ontruzant® (trastuzumab-dttb)...

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Trastuzumab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

Venable LLP

Spotlight On: Humira® (adalimumab) / Amjevita™ (adalimumab-atto) / Cyltezo® (adalimumab-adbm) / Hyrimoz™ (adalimumab-adaz) /...

Venable LLP on

Adalimumab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

Venable LLP

Spotlight On: Rituxan® (rituximab) / Truxima® (rituximab-abbs) / Ruxience® (rituximab-pvvr) / Riabni™ (rituximab-arrx) - June 2025

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Rituximab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

Lathrop GPM

Claim Construction Matters: Federal Circuit Decision Highlights the Significance of Lexicography in Patent Drafting

Lathrop GPM on

A precedential ruling by the U.S. Court of Appeals for the Federal Circuit on June 4 affirmed that Moderna’s mRNA-based COVID-19 vaccine SPIKEVAX® does not infringe two patents owned by Alnylam Pharmaceuticals, upholding a...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Alnylam Pharmaceuticals, Inc. v. Moderna, Inc.

Alnylam Pharmaceuticals, Inc. v. Moderna, Inc., Appeal No. 2023-2357 (Fed. Cir. June 4, 2025) In this week’s Case of the Week, the Federal Circuit affirmed a final judgment that Moderna’s mRNA-based COVID-19 vaccine did...more

Venable LLP

Spotlight On: Enbrel® (etanercept) / Erelzi® (etanercept-szzs) / Eticovo® (etanercept-ykro) - May 2025

Venable LLP on

Etanercept Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

Venable LLP

Spotlight On: Actemra® (tocilizumab) / Tofidence™ (tocilizumab-bavi) / Tyenne® (tocilizumab-aazg) / Avtozma® (tocilizumab-anoh) -...

Venable LLP on

Tocilizumab Challenged Claim Types in IPRs: Claims are counted in each IPR, so claims from the same patent challenged in multiple IPRs are counted more than once. Within each IPR, claims are counted only once, whether they...more

Venable LLP

Spotlight On: Rituxan® (rituximab) / Truxima® (rituximab-abbs) / Ruxience® (rituximab-pvvr) / Riabni™ (rituximab-arrx) - May 2025

Venable LLP on

Rituximab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...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

McDermott Will & Schulte

Transatlantic Terminology: Skilled Artisan Could Equate UK, US Word Meanings

The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board unpatentability determination, finding that a skilled artisan would have found the term “sterile” in a UK publication to mean the same as...more

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