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The patent EP3695012 was granted to Regeneron Pharmaceuticals on Mar 8, 2023. The application was filed on Oct 11, 2018 under application number EP18803806A. 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 |
|---|---|---|---|
| STRAWMAN | Dec 8, 2023 | CMS CAMERON MCKENNA NABARRO OLSWANG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2018216084 |
| DESCRIPTION | US5135917 |
| DESCRIPTION | US5294533 |
| DESCRIPTION | US5627158 |
| DESCRIPTION | US5641754 |
| DESCRIPTION | US5691317 |
| DESCRIPTION | US5780607 |
| DESCRIPTION | US5786138 |
| DESCRIPTION | US5849903 |
| DESCRIPTION | US5856103 |
| DESCRIPTION | US5919772 |
| DESCRIPTION | US5955590 |
| DESCRIPTION | US5990088 |
| DESCRIPTION | US5994320 |
| DESCRIPTION | US5998602 |
| DESCRIPTION | US6005095 |
| DESCRIPTION | US6007995 |
| DESCRIPTION | US6013522 |
| DESCRIPTION | US6017898 |
| DESCRIPTION | US6018042 |
| DESCRIPTION | US6025198 |
| DESCRIPTION | US6033910 |
| DESCRIPTION | US6040296 |
| DESCRIPTION | US6046004 |
| DESCRIPTION | US6046319 |
| DESCRIPTION | US6057437 |
| DESCRIPTION | WO2018136702 |
| EXAMINATION | CN103520724 |
| INTERNATIONAL-SEARCH-REPORT | WO2017048620 |
| OPPOSITION | CN103520724 |
| OPPOSITION | WO2016130806 |
| OPPOSITION | WO2017048620 |
| OPPOSITION | WO2018136702 |
| OPPOSITION | WO2018136758 |
| OPPOSITION | WO2019183164 |
| OPPOSITION | WO2021003295 |
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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Description
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Dec 8, 2025
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Means of redress
OPPO
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Decision to grant a European patent
Search/Exam
Jan 26, 2023
(Electronic) Receipt
Search/Exam
Jan 26, 2023
Filing of the translations of the claims
Search/Exam
Jan 26, 2023
French translation of claims
Search/Exam
Jan 26, 2023
German translation of the claims
Search/Exam
Jan 26, 2023
Letter accompanying subsequently filed items
Search/Exam
Sep 29, 2022
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Intention to grant (signatures)
Search/Exam
Sep 29, 2022
Text intended for grant (clean copy)
Search/Exam
Sep 29, 2022
Text intended for grant (sequence listing)
Search/Exam
Sep 29, 2022
Oct 7, 2021
(Electronic) Receipt
Search/Exam
Oct 7, 2021
Amended claims with annotations
Search/Exam
Oct 7, 2021
Claims
Search/Exam
Oct 7, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 7, 2021
May 28, 2021
Annex to the communication
Search/Exam
May 28, 2021
Communication from the Examining Division
Search/Exam
May 18, 2021
Examination started
Search/Exam
Dec 14, 2020
Dec 8, 2020
(Electronic) Receipt
Search/Exam
Dec 8, 2020
Designation of inventor
Search/Exam
Dec 8, 2020
Letter concerning the inventor
Search/Exam
Nov 24, 2020
(Electronic) Receipt
Search/Exam
Nov 24, 2020
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Amendments received before examination
Search/Exam
Nov 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 21, 2020
Communication to designated inventor
Search/Exam
Jul 29, 2020
Letter concerning the inventor
Search/Exam
Jul 22, 2020
May 19, 2020
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Communication to designated inventor
Search/Exam
May 15, 2020
Communication to designated inventor
Search/Exam
May 15, 2020
Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
May 15, 2020
Communication to designated inventor
Search/Exam
Apr 30, 2020
Apr 9, 2020
Information regarding early processing
Search/Exam
Mar 30, 2020
(Electronic) Receipt
Search/Exam
Mar 30, 2020
Request for entry into the European phase
Search/Exam
Feb 21, 2020
Information on entry into European phase
Search/Exam
May 9, 2019
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Converted Sequence Listing
Search/Exam
Apr 18, 2019
Copy of the international search report
Search/Exam
Apr 18, 2019
Published international application - A1
Search/Exam
Mar 25, 2019
Annex
PCTISA
Mar 25, 2019
Mar 25, 2019
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ISR: cited documents
PCTISA
Jan 4, 2019
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Nov 30, 2018
Nov 30, 2018
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Abstract
PCTISA
Oct 29, 2018
Annex
PCTISA
Oct 29, 2018
Claims
PCTISA
Oct 29, 2018
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Description
PCTISA
Oct 29, 2018
Drawings
PCTISA
Oct 29, 2018
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