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The patent EP3000467 was granted to Wyeth on Mar 1, 2023. The application was filed on Mar 24, 2010 under application number EP15188350A. 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 |
|---|---|---|---|
| GENERICS UK | Dec 1, 2023 | ELKINGTON AND FIFE | ADMISSIBLE |
| ALFRED E TIEFENBACHER | Nov 28, 2023 | HAMM & WITTKOPP | ADMISSIBLE |
| HEXAL | Nov 3, 2023 | ELKINGTON AND FIFE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2005059678 |
| DESCRIPTION | US2007104721 |
| DESCRIPTION | US6002008 |
| DESCRIPTION | US6288082 |
| DESCRIPTION | US6297258 |
| DESCRIPTION | US6387371 |
| DESCRIPTION | US6399063 |
| DESCRIPTION | US6821515 |
| DESCRIPTION | WO9633978 |
| DESCRIPTION | WO9633980 |
| OPPOSITION | WO2007056118 |
| SEARCH | WO2007056118 |
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.
Date
Description
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Dec 16, 2025
(Electronic) Receipt
Appeal
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Withdrawal of an appeal
Appeal
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Search/Exam
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
Jan 16, 2023
Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Apr 11, 2022
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Feb 1, 2022
Letter accompanying subsequently filed items
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Oct 1, 2021
Annex to the communication
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Oct 1, 2021
Communication from the Examining Division
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Nov 3, 2020
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(Electronic) Receipt
Search/Exam
Oct 27, 2020
Advice of delivery
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Oct 27, 2020
Letter accompanying subsequently filed items
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Oct 23, 2020
(Electronic) Receipt
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Oct 23, 2020
Amended claims with annotations
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Oct 23, 2020
Amended description with annotations
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Oct 23, 2020
Claims
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Oct 23, 2020
Claims
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Oct 23, 2020
Letter accompanying subsequently filed items
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Oct 23, 2020
Letter dealing with oral proceedings
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Oct 23, 2020
Jul 15, 2020
Annex to the communication
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Jul 15, 2020
Summons to attend oral proceedings
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Jan 16, 2020
Decision to allow further processing
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Dec 19, 2019
(Electronic) Receipt
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Dec 19, 2019
Amended claims with annotations
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Dec 19, 2019
Claims
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Dec 19, 2019
Letter accompanying subsequently filed items
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Dec 19, 2019
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Sep 23, 2019
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(Electronic) Receipt
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Jul 11, 2019
May 14, 2019
Change to the inventor details
Search/Exam
Apr 29, 2019
(Electronic) Receipt
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Apr 29, 2019
Letter concerning the inventor
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Mar 11, 2019
Annex to the communication
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Mar 11, 2019
Communication from the Examining Division
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Sep 26, 2018
(Electronic) Receipt
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Sep 26, 2018
Annex
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Sep 26, 2018
Annex
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Sep 26, 2018
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Sep 26, 2018
Letter accompanying subsequently filed items
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Sep 26, 2018
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Decision to allow further processing
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Feb 12, 2018
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Feb 12, 2018
Claims
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Feb 12, 2018
Claims
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Feb 12, 2018
Letter accompanying subsequently filed items
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Feb 12, 2018
Request for further processing
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Dec 12, 2017
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(Electronic) Receipt
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Aug 8, 2017
Letter accompanying subsequently filed items
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May 2, 2017
Annex to the communication
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May 2, 2017
Communication from the Examining Division
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Sep 29, 2016
(Electronic) Receipt
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Sep 29, 2016
Sep 29, 2016
Amended claims with annotations
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Sep 29, 2016
Amendments received before examination
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Sep 29, 2016
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Sep 29, 2016
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Sep 29, 2016
Letter accompanying subsequently filed items
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Apr 4, 2016
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Refund of fees
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Mar 2, 2016
Notification of forthcoming publication
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Feb 26, 2016
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European search opinion
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Feb 26, 2016
European search report
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Feb 26, 2016
Information on Search Strategy
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Feb 16, 2016
Search started
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Nov 27, 2015
Communication to designated inventor
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Nov 27, 2015
Communication to designated inventor
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Nov 27, 2015
Communication to designated inventor
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Oct 5, 2015
Abstract
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Oct 5, 2015
Oct 5, 2015
Claims
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Oct 5, 2015
Description
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Oct 5, 2015
Designation of inventor
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Oct 5, 2015
Request for grant of a European patent
Search/Exam
Nov 5, 2010