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The patent EP3716992 was granted to Regeneron Pharmaceuticals on Aug 10, 2022. The application was filed on Nov 29, 2018 under application number EP18825837A. 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 |
|---|---|---|---|
| AMGEN | May 10, 2023 | SCHIWECK WEINZIERL KOCH PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
| MAIWALD | May 10, 2023 | MAIWALD | WITHDRAWN |
| BOULT WADE TENNANT | May 9, 2023 | BOULT WADE TENNANT | ADMISSIBLE |
| WUESTHOFF & WUESTHOFF PATENTANWALTE PARTG MBB | May 5, 2023 | WICHMANN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2007190058 |
| DESCRIPTION | US7087411 |
| DESCRIPTION | US7300563 |
| DESCRIPTION | US7303746 |
| DESCRIPTION | US7303748 |
| DESCRIPTION | US7306799 |
| DESCRIPTION | US7396664 |
| DESCRIPTION | WO0075319 |
| INTERNATIONAL-SEARCH-REPORT | US2005260203 |
| INTERNATIONAL-SEARCH-REPORT | WO2012097019 |
| INTERNATIONAL-SEARCH-REPORT | WO2014203183 |
| OPPOSITION | US2013295094 |
| OPPOSITION | US9254338 |
| OPPOSITION | WO2017053807 |
| OPPOSITION | WO2019108770 |
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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Feb 21, 2022
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Feb 21, 2022
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Sep 6, 2021
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May 15, 2020
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