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The patent EP4011915 was granted to Regeneron Pharmaceuticals on Nov 15, 2023. The application was filed on Aug 20, 2013 under application number EP21199451A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| HAMPTON KNOWLES | Jul 11, 2024 | D YOUNG | ADMISSIBLE |
| BOULT WADE TENNANT | Jul 10, 2024 | BOULT WADE TENNANT | ADMISSIBLE |
| SECERNA | Jul 10, 2024 | SECERNA | ADMISSIBLE |
| MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB | Jul 8, 2024 | MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
| DR H ULRICH DORRIES | Jul 3, 2024 | DORRIES | ADMISSIBLE |
| DR H ULRICH DORRIES | Jul 3, 2024 | DORRIES, HANS ULRICH , DF-MP DORRIES FRANK-MOLNIA & POHLMAN | ADMISSIBLE |
| LUIGI | Oct 11, 2023 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2012097565 |
| DESCRIPTION | US6596541 |
| DESCRIPTION | US6927044 |
| DESCRIPTION | US7582298 |
| DESCRIPTION | US7608693 |
| DESCRIPTION | US8178098 |
| OPPOSITION | US2003185821 |
| OPPOSITION | US8075887 |
| OPPOSITION | WO2010053751 |
| OPPOSITION | WO2011156000 |
| OPPOSITION | WO2014031610 |
| OTHER | US8075887 |
| SEARCH | WO2010053751 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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Letter which had not been notified
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(Electronic) Receipt
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Sep 21, 2023
Annexes in respect of a client data request
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Sep 21, 2023
Request for correction of the publication
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Sep 14, 2023
Decision to grant a European patent
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Sep 1, 2023
(Electronic) Receipt
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Sep 1, 2023
Filing of the translations of the claims
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Sep 1, 2023
French translation of claims
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Sep 1, 2023
German translation of the claims
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Aug 31, 2023
Aug 28, 2023
(Electronic) Receipt
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Aug 28, 2023
Letter concerning the inventor
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Aug 2, 2023
Aug 1, 2023
Jul 26, 2023
Citation filed by a third party
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Jul 12, 2023
Amended claims with annotations
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Jul 12, 2023
Amended description with annotations
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Jul 12, 2023
Claims
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Jul 12, 2023
Description
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Jul 12, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jul 11, 2023
Text intended for grant (clean copy)
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Jul 11, 2023
May 22, 2023
(Electronic) Receipt
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May 22, 2023
Amended claims with annotations
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May 22, 2023
Claims
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May 22, 2023
Letter accompanying subsequently filed items
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May 22, 2023
Feb 16, 2023
Annex to the communication
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Feb 16, 2023
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Feb 10, 2023
Examination started
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Dec 15, 2022
(Electronic) Receipt
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Dec 15, 2022
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Amended claims with annotations
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Dec 15, 2022
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Amended description with annotations
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Dec 15, 2022
Amendments received before examination
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Dec 15, 2022
Letter accompanying subsequently filed items
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Notification of forthcoming publication
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May 12, 2022
Refund of fees
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May 9, 2022
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European search opinion
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May 9, 2022
European search report
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May 9, 2022
Information on Search Strategy
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Search started
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Feb 9, 2022
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(Electronic) Receipt
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Feb 3, 2022
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Jan 28, 2022
Claims
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Jan 28, 2022
Letter accompanying subsequently filed items
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Jan 28, 2022
Matter concerning the application
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Jan 24, 2022
(Electronic) Receipt
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Jan 24, 2022
Letter concerning fees and payments
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Nov 19, 2021
Invitation to file claims
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Nov 17, 2021
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Nov 11, 2021
Letter accompanying subsequently filed items
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Nov 11, 2021
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Oct 18, 2021
Letter concerning fees and payments
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Sep 28, 2021
Abstract
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Converted Sequence Listing
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Sep 28, 2021
Designation of inventor
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Sep 28, 2021
Drawings
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Sep 28, 2021
Request for grant of a European patent
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Sep 17, 2018
Converted Sequence Listing
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