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The patent EP3380121 was granted to Acceleron Pharma on Dec 20, 2023. The application was filed on Nov 23, 2016 under application number EP16869255A. 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 |
|---|---|---|---|
| WUESTHOFF & WUESTHOFF PATENTANWALTE PARTG MBB | Sep 18, 2024 | WICHMANN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0404097 |
| DESCRIPTION | US2005079574 |
| DESCRIPTION | US2005119455 |
| DESCRIPTION | US2005266000 |
| DESCRIPTION | US2006025576 |
| DESCRIPTION | US2006148748 |
| DESCRIPTION | US2007061900 |
| DESCRIPTION | US2007117126 |
| DESCRIPTION | US2007160598 |
| DESCRIPTION | US2007237764 |
| DESCRIPTION | US2007292936 |
| DESCRIPTION | US2009002360 |
| DESCRIPTION | US4816567 |
| DESCRIPTION | US5078486 |
| DESCRIPTION | US5096815 |
| DESCRIPTION | US5198346 |
| DESCRIPTION | US5223409 |
| DESCRIPTION | US5270163 |
| DESCRIPTION | US5283317 |
| DESCRIPTION | US5475096 |
| DESCRIPTION | US5500362 |
| DESCRIPTION | US5525490 |
| DESCRIPTION | US5567588 |
| DESCRIPTION | US5571894 |
| DESCRIPTION | US5580737 |
| DESCRIPTION | US5587458 |
| DESCRIPTION | US5677196 |
| DESCRIPTION | US5707796 |
| DESCRIPTION | US5750373 |
| DESCRIPTION | US5763177 |
| DESCRIPTION | US5770429 |
| DESCRIPTION | US5821337 |
| DESCRIPTION | US5869046 |
| DESCRIPTION | US5955280 |
| DESCRIPTION | US5965368 |
| DESCRIPTION | US6011577 |
| DESCRIPTION | US6075181 |
| DESCRIPTION | US6150584 |
| DESCRIPTION | US6248516 |
| DESCRIPTION | US6537966 |
| DESCRIPTION | US6699843 |
| DESCRIPTION | US6737056 |
| DESCRIPTION | US6982321 |
| DESCRIPTION | US7041870 |
| DESCRIPTION | US7087409 |
| DESCRIPTION | US7189826 |
| DESCRIPTION | US7332581 |
| DESCRIPTION | US7521541 |
| DESCRIPTION | US7527791 |
| DESCRIPTION | US7612041 |
| DESCRIPTION | US7709605 |
| DESCRIPTION | US7842663 |
| DESCRIPTION | WO0000823 |
| DESCRIPTION | WO0039585 |
| DESCRIPTION | WO0043781 |
| DESCRIPTION | WO2005025601 |
| DESCRIPTION | WO2005100402 |
| DESCRIPTION | WO2006012627 |
| DESCRIPTION | WO2006029879 |
| DESCRIPTION | WO2007053775 |
| DESCRIPTION | WO2008030367 |
| DESCRIPTION | WO2008046437 |
| DESCRIPTION | WO2008097541 |
| DESCRIPTION | WO2010019261 |
| DESCRIPTION | WO9301161 |
| DESCRIPTION | WO9316185 |
| DESCRIPTION | WO9626432 |
| INTERNATIONAL-SEARCH-REPORT | WO2004064770 |
| INTERNATIONAL-SEARCH-REPORT | WO2009146408 |
| INTERNATIONAL-SEARCH-REPORT | WO2010121162 |
| INTERNATIONAL-SEARCH-REPORT | WO2015161220 |
| OPPOSITION | WO2017091706 |
| SEARCH | WO2008076437 |
| SEARCH | WO2010125416 |
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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OPPO
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Decision to grant a European patent
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Oct 25, 2023
(Electronic) Receipt
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Oct 25, 2023
Filing of the translations of the claims
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Oct 25, 2023
French translation of claims
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Oct 25, 2023
German translation of the claims
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Oct 25, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jul 14, 2023
Text intended for grant (clean copy)
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Jul 14, 2023
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(Electronic) Receipt
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Jun 16, 2023
Amended claims with annotations
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Jun 16, 2023
Claims
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Jun 16, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Feb 6, 2023
Text intended for grant (clean copy)
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Feb 6, 2023
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(Electronic) Receipt
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Sep 9, 2022
Amended description with annotations
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Sep 9, 2022
Description
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Sep 9, 2022
Letter accompanying subsequently filed items
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Sep 9, 2022
Jul 5, 2022
Annex to the communication
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Jul 5, 2022
Communication from the Examining Division
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Feb 25, 2022
Decision to allow further processing
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Feb 16, 2022
(Electronic) Receipt
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Feb 16, 2022
Amended claims with annotations
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Feb 16, 2022
Amended description with annotations
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Feb 16, 2022
Claims
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Feb 16, 2022
Description
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Feb 16, 2022
Letter accompanying subsequently filed items
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Feb 16, 2022
Request for further processing
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Dec 14, 2021
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(Electronic) Receipt
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Aug 31, 2021
Letter accompanying subsequently filed items
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Aug 31, 2021
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(Electronic) Receipt
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Jul 7, 2021
Authorisation
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Jul 7, 2021
Letter accompanying subsequently filed items
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Jul 7, 2021
Letter accompanying subsequently filed items
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Jul 7, 2021
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Submission concerning representation
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Jul 2, 2021
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Annexes in respect of a client data request
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Jun 23, 2021
General authorisation
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Jun 23, 2021
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Annexes in respect of a client data request
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General authorisation
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Annexes in respect of a client data request
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Jun 15, 2021
General authorisation
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Jun 15, 2021
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Annex to the communication
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May 12, 2021
Communication from the Examining Division
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Mar 11, 2021
(Electronic) Receipt
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Mar 11, 2021
Amended claims with annotations
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Mar 11, 2021
Claims
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Mar 11, 2021
Letter accompanying subsequently filed items
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Mar 11, 2021
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Annex to the communication
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Nov 4, 2020
Communication from the Examining Division
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Oct 29, 2020
Examination started
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Dec 7, 2019
(Electronic) Receipt
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Dec 7, 2019
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Amended claims with annotations
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Dec 7, 2019
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Dec 7, 2019
Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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May 31, 2019
Letter accompanying subsequently filed items
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May 31, 2019
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European search opinion
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May 15, 2019
Information on Search Strategy
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May 15, 2019
Supplementary European search report
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May 7, 2019
Search started
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Jan 16, 2019
(Electronic) Receipt
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Jan 16, 2019
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Amendments received before examination
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Jan 16, 2019
Amendments received before examination
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Jan 16, 2019
Letter accompanying subsequently filed items
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Sep 5, 2018
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Communication to designated inventor
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Jul 4, 2018
Communication to designated inventor
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Jun 22, 2018
(Electronic) Receipt
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Jun 22, 2018
Converted Sequence Listing
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Jun 22, 2018
Matter concerning the application
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Jun 22, 2018
Request for entry into the European phase
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Jun 22, 2018
Submission concerning representation
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Jun 14, 2018
Apr 6, 2018
Information on entry into European phase
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Jun 19, 2017
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Copy of the international search report
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Jun 1, 2017
Published international application - A1
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