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The patent EP3697887 was granted to Regeneron Pharmaceuticals on Apr 6, 2022. The application was filed on Oct 15, 2018 under application number EP18797333A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| SCHIWECK WEINZIERL KOCH PATENTANWALTE PARTNERSCHAFT MBB | Jan 9, 2023 | SCHIWECK WEINZIERL KOCH PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
| SARTORIUS STEDIM BIOTECH | Dec 21, 2022 | MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2016145563 |
| INTERNATIONAL-SEARCH-REPORT | WO2006071716 |
| INTERNATIONAL-SEARCH-REPORT | WO2013103901 |
| INTERNATIONAL-SEARCH-REPORT | WO2016004322 |
| INTERNATIONAL-SEARCH-REPORT | WO2016196261 |
| INTERNATIONAL-SEARCH-REPORT | WO2016196315 |
| INTERNATIONAL-SEARCH-REPORT | WO2017132185 |
| OPPOSITION | EP0211241 |
| OPPOSITION | EP1500944 |
| OPPOSITION | US2016145563 |
| OPPOSITION | WO2006071716 |
| OPPOSITION | WO2006128908 |
| OPPOSITION | WO2009023562 |
| OPPOSITION | WO2011005773 |
| OPPOSITION | WO2016196261 |
| OPPOSITION | WO2016196315 |
| OPPOSITION | WO2017132185 |
| OPPOSITION | WO9721824 |
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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Decision to grant a European patent
Search/Exam
Feb 28, 2022
(Electronic) Receipt
Search/Exam
Feb 28, 2022
Filing of the translations of the claims
Search/Exam
Feb 28, 2022
French translation of claims
Search/Exam
Feb 28, 2022
German translation of the claims
Search/Exam
Feb 28, 2022
Letter accompanying subsequently filed items
Search/Exam
Oct 27, 2021
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Intention to grant (signatures)
Search/Exam
Oct 27, 2021
Text intended for grant (clean copy)
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Oct 27, 2021
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(Electronic) Receipt
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Amended claims with annotations
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Jul 1, 2021
Claims
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
Jul 1, 2021
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Annex to the communication
Search/Exam
Mar 11, 2021
Communication from the Examining Division
Search/Exam
Mar 4, 2021
Examination started
Search/Exam
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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
Apr 9, 2020
Information regarding early processing
Search/Exam
Apr 3, 2020
(Electronic) Receipt
Search/Exam
Apr 3, 2020
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Designation of inventor
Search/Exam
Apr 3, 2020
Request for entry into the European phase
Search/Exam
Feb 28, 2020
Information on entry into European phase
Search/Exam
Jan 9, 2020
Notification of the recording of a change
Search/Exam
May 17, 2019
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Copy of the international search report
Search/Exam
Apr 25, 2019
Published international application - A1
Search/Exam
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ISR: cited documents
PCTISA
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Annex
PCTISA
Feb 6, 2019
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ISR: cited documents
PCTISA
Jan 10, 2019
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Annex
PCTISA
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Abstract
PCTISA
Nov 5, 2018
Annex
PCTISA
Nov 5, 2018
Claims
PCTISA
Nov 5, 2018
Description
PCTISA
Nov 5, 2018
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PCTISA
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