IP Verse

Amgen Inc. vs. Regeneron Pharmaceuticals Inc. - ACT_459916/2023

Explore detailed information on the case number ACT_459916/2023 involving Amgen Inc. and Regeneron Pharmaceuticals Inc., Sanofi-Aventis Groupe S.A., Sanofi Winthrop Industrie S.A., and others which was filed on 26 Jun, 2023.

Case Details

    Case Number:

    ACT_459916/2023

    Patent Number:

    EP3666797

    Filing Date:

    26 Jun, 2023

    Proceeding Type:

    Proceeding

    Action/Application:

    Infringement Action

    Plaintiffs:

    • Amgen Inc. Represented By Johannes Heselberger

    Defendants:

    • Regeneron Pharmaceuticals Inc. Represented By Niels Hoelder
    • Sanofi-Aventis Groupe S.A. Represented By Niels Hoelder
    • Sanofi Winthrop Industrie S.A. Represented By Niels Hoelder
    • Sanofi-Aventis Deutschland Gmbh Represented By Niels Hoelder

    Judges:

    • Matthias Zigann
    • Samuel Granata
    • Tobias Pichlmaier
    • Xavier DORLAND-GALLIOT

    Court Division:

    First Instance, Local Division - Munich

Case Decision

    Decision Date:

    Jan 2, 2024

    Decision Document:

More cases involving EP3666797B1

This table lists the related cases associated with the patent, including case numbers, plaintiffs, and defendants involved in each case.

Last updated on: Sep 25, 2025
Case NumberFiling DatePlaintiffsDefendants
APL_51679/2024Sep 13, 2024AmgenSanofi-Aventis Deutschland Gmbh, Sanofi-Aventis Groupe, Sanofi Winthrop Industrie S.A.
APL_51683/2024Sep 13, 2024Amgen Inc.Regeneron Pharmaceuticals Inc.
CC_586764/2023Nov 10, 2023Regeneron Pharmaceuticals Inc.Amgen Inc.

More cases involving Amgen Inc.

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Last updated on: Sep 25, 2025
Case NumberFiling DatePlaintiffsDefendants
App_35200/2025Aug 21, 2025Amgen AB, Amgen Biofarmaceutica LDA, Amgen, Amgen, Amgen Zdravila DOO, Amgen, Amgen, Amgen Technology Ireland Unlimited -
App_35086/2025Aug 20, 2025Amgen Technology Ireland Unlimited, Amgen, Amgen, Amgen AB, Amgen, Amgen, Amgen Biofarmaceutica LDA, Amgen Zdravila DOO -
App_35087/2025Aug 20, 2025Amgen, Amgen AB, Amgen Technology Ireland Unlimited, Amgen Biofarmaceutica LDA, Amgen, Amgen Zdravila DOO, Amgen, Amgen -

More cases involving Regeneron Pharmaceuticals Inc.

This table lists the related cases associated with the patent, including case numbers, plaintiffs, and defendants involved in each case.

Last updated on: Sep 25, 2025
Case NumberFiling DatePlaintiffsDefendants
APL_51683/2024Sep 13, 2024Amgen Inc.Regeneron Pharmaceuticals Inc.
ORD_43914/2024Jul 29, 2024Amgen Inc.Sanofi Winthrop Industrie S.A., Sanofi-Aventis Deutschland Gmbh, Regeneron Pharmaceuticals Inc., Sanofi-Aventis Groupe S.A.
CC_24999/2024May 3, 2024Amgen Europe B.V., Amgen Inc., Amgen B.V., Amgen S.R.L., Amgen Nv, Amgen Gmbh, Amgen S.A.S.Regeneron Pharmaceuticals Inc.