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The patent EP3549601 was granted to Wyeth on Feb 24, 2021. The application was filed on Sep 8, 2011 under application number EP19166124A. 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 |
|---|---|---|---|
| JG OPPOSITIONS | Nov 23, 2021 | WILDING | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US20100381837 |
| DESCRIPTION | EP1296713 |
| DESCRIPTION | EP1326634 |
| DESCRIPTION | US2006257413 |
| DESCRIPTION | US2009202593 |
| DESCRIPTION | US4554101 |
| DESCRIPTION | US4708871 |
| DESCRIPTION | US4912094 |
| DESCRIPTION | US5057540 |
| DESCRIPTION | US5078996 |
| DESCRIPTION | US5254339 |
| DESCRIPTION | US5723127 |
| DESCRIPTION | US6113918 |
| DESCRIPTION | US6149919 |
| DESCRIPTION | US6165995 |
| DESCRIPTION | US6207646 |
| DESCRIPTION | US6299884 |
| DESCRIPTION | US6610310 |
| DESCRIPTION | US7115730 |
| DESCRIPTION | US7285281 |
| DESCRIPTION | US7291588 |
| DESCRIPTION | US7332174 |
| DESCRIPTION | US7361355 |
| DESCRIPTION | US7384640 |
| DESCRIPTION | WO0018434 |
| DESCRIPTION | WO03063766 |
| DESCRIPTION | WO2007127668 |
| DESCRIPTION | WO2009109550 |
| OPPOSITION | EP1442047 |
| OPPOSITION | EP2341063 |
| OPPOSITION | EP2343308 |
| OPPOSITION | EP2613806 |
| OPPOSITION | WO03063766 |
| OPPOSITION | WO2008079372 |
| SEARCH | US2007082007 |
| SEARCH | WO2007060548 |
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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Decision to grant a European patent
Search/Exam
Jan 11, 2021
(Electronic) Receipt
Search/Exam
Jan 11, 2021
French translation of claims
Search/Exam
Jan 11, 2021
German translation of the claims
Search/Exam
Jan 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2020
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Intention to grant (signatures)
Search/Exam
Oct 8, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 8, 2020
Text intended for grant (sequence listing)
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(Electronic) Receipt
Search/Exam
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Amended description with annotations
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Mar 24, 2020
Amendments received before examination
Search/Exam
Mar 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 14, 2019
Sep 11, 2019
Notification of forthcoming publication
Search/Exam
Sep 6, 2019
Refund of fees
Search/Exam
Sep 2, 2019
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European search opinion
Search/Exam
Sep 2, 2019
European search report
Search/Exam
Sep 2, 2019
Information on Search Strategy
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Jul 22, 2019
Search started
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Jun 24, 2019
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Mar 29, 2019
Abstract
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Claims
Search/Exam
Mar 29, 2019
Converted Sequence Listing
Search/Exam
Mar 29, 2019
Description
Search/Exam
Mar 29, 2019
Designation of inventor
Search/Exam
Mar 29, 2019
Drawings
Search/Exam
Mar 29, 2019
Letter concerning search matters
Search/Exam
Mar 29, 2019
Apr 12, 2012