IP Verse

Amgen vs. Regeneron Pharmaceuticals - ACT_459916/2023

The UPC Case ACT_459916/2023 was filed on 26 Jun, 2023 by the plaintiff Amgen against the defendant Regeneron Pharmaceuticals, Sanofi Aventis Deutschland, Sanofi Aventis Groupe, and others.

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.

    Plaintiff Representatives:

    • Johannes Heselberger

    Defendants:

    • Regeneron Pharmaceuticals Inc.
    • Sanofi-Aventis Deutschland Gmbh
    • Sanofi-Aventis Groupe S.A.
    • Sanofi Winthrop Industrie S.A.

    Defendant Representatives:

    • Niels Hoelder

    Judges:

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

    Court Division:

    First Instance, Local Division - Munich

Case Decision

Decision pending - set alert to receive updates

Docket Entries

No docket found - set alert to stay updated on new entries.

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: Oct 9, 2025
Case NumberFiling DatePlaintiffsDefendants
APP_3214/2025Jan 21, 2025Redacted Natural Person NameAmgen, Dehns, Redacted Natural Person Name, Sanofi Aventis Deutschland, Sanofi Aventis Groupe, Sanofi Winthrop Industrie
APL_51679/2024Sep 13, 2024AmgenSanofi Aventis Deutschland, Sanofi Aventis Groupe, Sanofi Winthrop Industrie
APL_51683/2024Sep 13, 2024AmgenRegeneron Pharmaceuticals

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Last updated on: Oct 9, 2025
Case NumberFiling DatePlaintiffsDefendants
App_35200/2025Aug 21, 2025Amgen, Amgen AB, Amgen Biofarmaceutica LDA, Amgen Technology Ireland Unlimited, Amgen Zdravila DOO -
App_35086/2025Aug 20, 2025Amgen, Amgen AB, Amgen Biofarmaceutica LDA, Amgen Technology Ireland Unlimited, Amgen Zdravila DOO -
App_35087/2025Aug 20, 2025Amgen, Amgen AB, Amgen Biofarmaceutica LDA, Amgen Technology Ireland Unlimited, Amgen Zdravila DOO -

More cases involving Regeneron Pharmaceuticals

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

Last updated on: Oct 9, 2025
Case NumberFiling DatePlaintiffsDefendants
App_34318/2025Aug 5, 2025Regeneron Pharmaceuticals -
ORD_34329/2025Aug 5, 2025AmgenRegeneron Pharmaceuticals
App_33251/2025Jul 21, 2025Regeneron Pharmaceuticals -