The patent EP3538539B1 was granted to Regeneron Pharmaceuticals on Aug 27, 2025 following the initial filing on Nov 7, 2017 under the application number EP17801239A . The current legal status of the patent is Granted And Under Opposition.
The dossier documents provide a comprehensive record of the patent’s prosecution history, including filings, correspondence, and decisions made by patent offices. These documents are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination. It also includes the oppositions documents filed against the patent.
Date
Description
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Jul 31, 2025
Decision to grant a European patent
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Jul 23, 2025
(Electronic) Receipt
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Jul 23, 2025
Filing of the translations of the claims
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Jul 23, 2025
French translation of claims
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Jul 23, 2025
German translation of the claims
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Jul 23, 2025
Letter accompanying subsequently filed items
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Mar 25, 2025
Mar 25, 2025
Mar 25, 2025
Intention to grant (signatures)
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Mar 25, 2025
Text intended for grant (clean copy)
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Mar 25, 2025
Sep 26, 2024
(Electronic) Receipt
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Sep 26, 2024
Amended description with annotations
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Sep 26, 2024
Description
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Sep 26, 2024
Letter accompanying subsequently filed items
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Sep 26, 2024
May 28, 2024
Annex to the communication
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May 28, 2024
Communication from the Examining Division
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Mar 18, 2024
(Electronic) Receipt
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Mar 18, 2024
Amended description with annotations
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Mar 18, 2024
Description
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Mar 18, 2024
Letter accompanying subsequently filed items
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Mar 18, 2024
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Intention to grant (signatures)
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Dec 13, 2023
Text intended for grant (clean copy)
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Dec 13, 2023
Apr 24, 2023
(Electronic) Receipt
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Apr 24, 2023
Amended claims with annotations
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Apr 24, 2023
Amended description with annotations
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Apr 24, 2023
Claims
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Apr 24, 2023
Description
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Apr 24, 2023
Drawings
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Apr 24, 2023
Letter accompanying subsequently filed items
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Apr 24, 2023
Mar 24, 2023
Mar 20, 2023
(Electronic) Receipt
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Mar 20, 2023
Nov 10, 2022
Annex to the communication
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Nov 10, 2022
Communication from the Examining Division
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Sep 20, 2021
(Electronic) Receipt
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Sep 20, 2021
Amended claims with annotations
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Sep 20, 2021
Claims
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Sep 20, 2021
Letter accompanying subsequently filed items
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Sep 20, 2021
Jul 21, 2021
Jul 16, 2021
(Electronic) Receipt
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Jul 16, 2021
Letter accompanying subsequently filed items
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Jul 16, 2021
Mar 11, 2021
Annex to the communication
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Mar 11, 2021
Mar 11, 2021
Information on Search Strategy
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Mar 11, 2021
Search results under rule 164(2)(b) EPC
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Jan 26, 2021
(Electronic) Receipt
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Jan 26, 2021
Letter accompanying subsequently filed items
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Jan 26, 2021
Matter concerning the application
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Nov 26, 2020
Annex to the communication
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Nov 26, 2020
Nov 20, 2020
Examination started
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Jan 2, 2020
(Electronic) Receipt
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Jan 2, 2020
Jan 2, 2020
Amended claims with annotations
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Jan 2, 2020
Jan 2, 2020
Amended description with annotations
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Jan 2, 2020
Jan 2, 2020
Amended drawings with annotations
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Jan 2, 2020
Amendments received before examination
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Jan 2, 2020
Letter accompanying subsequently filed items
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Oct 14, 2019
Submission concerning representation
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Aug 21, 2019
Jun 17, 2019
Jun 14, 2019
Communication to designated inventor
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Jun 14, 2019
Communication to designated inventor
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Jun 14, 2019
Communication to designated inventor
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Jun 5, 2019
May 20, 2019
(Electronic) Receipt
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May 20, 2019
Request for entry into the European phase
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May 20, 2019
Submission concerning representation
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Mar 22, 2019
Information on entry into European phase
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Jul 12, 2018
Copy of the international search report
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Jul 12, 2018
Published international application - A9
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Jun 21, 2018
Copy of the international search report
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Jun 21, 2018
Jun 4, 2018
Jun 4, 2018
May 25, 2018
May 25, 2018
May 18, 2018
ISR: cited documents
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May 17, 2018
Published international application - A2
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May 17, 2018
May 17, 2018
May 17, 2018
Apr 13, 2018
Annex
PCTISA
Apr 13, 2018
Apr 13, 2018
Mar 27, 2018
Mar 15, 2018
Mar 6, 2018
Feb 14, 2018
Feb 14, 2018
Feb 13, 2018
Feb 13, 2018
Feb 13, 2018
Dec 4, 2017
Nov 20, 2017
Abstract
PCTISA
Nov 20, 2017
Annex
PCTISA
Nov 20, 2017
Claims
PCTISA
Nov 20, 2017
Description
PCTISA
Nov 20, 2017
Drawings
PCTISA
Nov 20, 2017
Nov 20, 2017
Nov 20, 2017
Nov 20, 2017
Nov 20, 2017