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The patent EP3515465 was granted to Regeneron Pharmaceuticals on Feb 7, 2024. The application was filed on Sep 21, 2017 under application number EP17777145A. 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 |
|---|---|---|---|
| BRAND MURRAY FULLER | Nov 7, 2024 | BRAND MURRAY FULLER | ADMISSIBLE |
| DORRIES | Nov 7, 2024 | DORRIES | ADMISSIBLE |
| DORRIES | Nov 7, 2024 | DORRIES, HANS ULRICH , DF-MP DORRIES FRANK-MOLNIA & POHLMAN | ADMISSIBLE |
| MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB | Nov 7, 2024 | - | ADMISSIBLE |
| BOULT WADE TENNANT | Nov 6, 2024 | BOULT WADE TENNANT | ADMISSIBLE |
| RUMI | Nov 6, 2024 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
| SECERNA | Nov 6, 2024 | SECERNA | ADMISSIBLE |
| BOEHMERT & BOEHMERT ANWALTSPARTNERSCHAFT MBB | Nov 5, 2024 | ENGELHARD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2014072583 |
| DESCRIPTION | US7186809 |
| DESCRIPTION | US7605237 |
| DESCRIPTION | US7608693 |
| DESCRIPTION | US7638606 |
| DESCRIPTION | US8092804 |
| DESCRIPTION | US8679487 |
| DESCRIPTION | US8877189 |
| DESCRIPTION | US8945559 |
| OPPOSITION | WO2014039461 |
| OPPOSITION | WO2015127229 |
| OPPOSITION | WO2018057776 |
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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May 7, 2024
May 2, 2024
(Electronic) Receipt
Search/Exam
May 2, 2024
Letter accompanying subsequently filed items
Search/Exam
May 2, 2024
Feb 20, 2024
Jan 11, 2024
Decision to grant a European patent
Search/Exam
Dec 21, 2023
(Electronic) Receipt
Search/Exam
Dec 21, 2023
Filing of the translations of the claims
Search/Exam
Dec 21, 2023
French translation of claims
Search/Exam
Dec 21, 2023
German translation of the claims
Search/Exam
Dec 21, 2023
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2023
Sep 27, 2023
Sep 27, 2023
Sep 27, 2023
Intention to grant (signatures)
Search/Exam
Sep 27, 2023
Text intended for grant (clean copy)
Search/Exam
Sep 27, 2023
Apr 14, 2023
(Electronic) Receipt
Search/Exam
Apr 14, 2023
Amended claims with annotations
Search/Exam
Apr 14, 2023
Amended description with annotations
Search/Exam
Apr 14, 2023
Claims
Search/Exam
Apr 14, 2023
Description
Search/Exam
Apr 14, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 14, 2023
Jan 12, 2023
Annex to the communication
Search/Exam
Jan 12, 2023
Communication from the Examining Division
Search/Exam
Aug 24, 2022
(Electronic) Receipt
Search/Exam
Aug 24, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 24, 2022
Aug 24, 2022
Aug 24, 2022
May 4, 2022
Annex to the communication
Search/Exam
May 4, 2022
Communication from the Examining Division
Search/Exam
Sep 20, 2021
Document concerning representation
Search/Exam
Dec 2, 2020
(Electronic) Receipt
Search/Exam
Dec 2, 2020
Amended claims with annotations
Search/Exam
Dec 2, 2020
Claims
Search/Exam
Dec 2, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2020
Aug 19, 2020
Annex to the communication
Search/Exam
Aug 19, 2020
Communication from the Examining Division
Search/Exam
Jul 3, 2019
May 6, 2019
May 2, 2019
Communication to designated inventor
Search/Exam
May 2, 2019
Communication to designated inventor
Search/Exam
May 2, 2019
Communication to designated inventor
Search/Exam
May 2, 2019
Communication to designated inventor
Search/Exam
May 2, 2019
Communication to designated inventor
Search/Exam
May 2, 2019
Communication to designated inventor
Search/Exam
May 2, 2019
Communication to designated inventor
Search/Exam
May 2, 2019
Communication to designated inventor
Search/Exam
Apr 15, 2019
(Electronic) Receipt
Search/Exam
Apr 15, 2019
Apr 15, 2019
Amended claims with annotations
Search/Exam
Apr 15, 2019
Matter concerning the application
Search/Exam
Apr 15, 2019
Request for entry into the European phase
Search/Exam
Apr 11, 2019
Feb 1, 2019
Information on entry into European phase
Search/Exam
Apr 17, 2018
Apr 17, 2018
Apr 17, 2018
Apr 17, 2018
Apr 17, 2018
Apr 17, 2018
Mar 29, 2018
Converted Sequence Listing
Search/Exam
Mar 29, 2018
Copy of the international search report
Search/Exam
Mar 29, 2018
Published international application - A1
Search/Exam
Mar 22, 2018
Dec 19, 2017
Annex
PCTISA
Dec 19, 2017
Dec 19, 2017
Dec 19, 2017
Dec 11, 2017
Annex
PCTISA
Dec 11, 2017
Dec 11, 2017
Nov 24, 2017
Annex
PCTISA
Nov 24, 2017
Nov 15, 2017
ISR: cited documents
PCTISA
Nov 13, 2017
Annex
PCTISA
Nov 13, 2017
Nov 13, 2017
Nov 13, 2017
Nov 13, 2017
Oct 12, 2017
Oct 12, 2017
Oct 2, 2017
Abstract
PCTISA
Oct 2, 2017
Annex
PCTISA
Oct 2, 2017
Annex
PCTISA
Oct 2, 2017
Claims
PCTISA
Oct 2, 2017
Description
PCTISA
Oct 2, 2017
Oct 2, 2017
Oct 2, 2017
Oct 2, 2017