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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 4, 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.

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

Last updated on: Sep 4, 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 4, 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.