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The patent EP3031921 was granted to Massachusetts Institute OF Technology on Mar 12, 2025. The application was filed on Dec 12, 2013 under application number EP15179123A. 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 |
|---|---|---|---|
| VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | Mar 12, 2025 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2013176772 |
| SEARCH | US2010076057 |
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
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Jan 31, 2025
(Electronic) Receipt
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Jan 31, 2025
Filing of the translations of the claims
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Jan 31, 2025
French translation of claims
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Jan 31, 2025
German translation of the claims
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Jan 31, 2025
Letter accompanying subsequently filed items
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Oct 8, 2024
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Oct 8, 2024
Intention to grant (signatures)
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Oct 8, 2024
Text intended for grant (clean copy)
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Oct 8, 2024
Sep 7, 2023
(Electronic) Receipt
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Sep 7, 2023
Amended claims with annotations
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Sep 7, 2023
Claims
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Sep 7, 2023
Letter accompanying subsequently filed items
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Sep 7, 2023
May 23, 2023
Annex to the communication
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May 23, 2023
Communication from the Examining Division
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Mar 30, 2023
(Electronic) Receipt
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Mar 30, 2023
Amended claims with annotations
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Mar 30, 2023
Amended description with annotations
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Mar 30, 2023
Claims
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Mar 30, 2023
Description
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Mar 30, 2023
Letter accompanying subsequently filed items
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Mar 30, 2023
Mar 30, 2023
Feb 6, 2023
Feb 1, 2023
(Electronic) Receipt
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Feb 1, 2023
Letter accompanying subsequently filed items
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Feb 1, 2023
Oct 6, 2022
Annex to the communication
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Oct 6, 2022
Communication from the Examining Division
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Aug 22, 2022
(Electronic) Receipt
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Aug 22, 2022
Amended claims with annotations
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Aug 22, 2022
Amended description with annotations
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Aug 22, 2022
Claims
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Aug 22, 2022
Description
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Aug 22, 2022
Letter accompanying subsequently filed items
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Aug 22, 2022
Aug 18, 2022
Aug 11, 2022
(Electronic) Receipt
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Aug 11, 2022
Letter accompanying subsequently filed items
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Aug 11, 2022
Apr 4, 2022
Annex to the communication
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Apr 4, 2022
Communication from the Examining Division
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Mar 31, 2022
Decision to allow further processing
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Mar 22, 2022
(Electronic) Receipt
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Mar 22, 2022
Amended claims with annotations
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Mar 22, 2022
Claims
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Mar 22, 2022
Letter accompanying subsequently filed items
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Mar 22, 2022
Request for further processing
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Jan 25, 2022
Oct 18, 2021
Oct 12, 2021
(Electronic) Receipt
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Oct 12, 2021
Letter accompanying subsequently filed items
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Oct 12, 2021
Jun 16, 2021
Annex to the communication
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Jun 16, 2021
Communication from the Examining Division
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Feb 15, 2021
Decision to allow further processing
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Feb 4, 2021
(Electronic) Receipt
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Feb 4, 2021
Amended claims with annotations
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Feb 4, 2021
Claims
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Feb 4, 2021
Letter accompanying subsequently filed items
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Feb 4, 2021
Request for further processing
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Dec 1, 2020
Aug 17, 2020
Aug 12, 2020
(Electronic) Receipt
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Aug 12, 2020
Letter accompanying subsequently filed items
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Aug 12, 2020
Apr 28, 2020
Annex to the communication
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Apr 28, 2020
Communication from the Examining Division
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Oct 1, 2018
(Electronic) Receipt
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Oct 1, 2018
Annex
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Oct 1, 2018
Letter accompanying subsequently filed items
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Oct 1, 2018
May 15, 2018
May 9, 2018
(Electronic) Receipt
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May 9, 2018
Letter accompanying subsequently filed items
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May 9, 2018
Mar 21, 2018
Annex to the communication
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Mar 21, 2018
Communication from the Examining Division
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Feb 2, 2018
(Electronic) Receipt
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Feb 2, 2018
Amended claims with annotations
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Feb 2, 2018
Claims
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Feb 2, 2018
Letter accompanying subsequently filed items
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Feb 2, 2018
Sep 29, 2017
Annex to the communication
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Sep 29, 2017
Communication from the Examining Division
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Aug 28, 2017
(Electronic) Receipt
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Aug 28, 2017
Amended claims with annotations
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Aug 28, 2017
Claims
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Aug 28, 2017
Letter accompanying subsequently filed items
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Aug 28, 2017
Apr 26, 2017
Annex to a communication
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Apr 26, 2017
Annex to the communication
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Apr 26, 2017
Communication from the Examining Division
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Apr 11, 2017
Examination started
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Jan 2, 2017
Aug 5, 2016
(Electronic) Receipt
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Aug 5, 2016
Aug 5, 2016
Amended claims with annotations
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Aug 5, 2016
Amendments received before examination
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Aug 5, 2016
Letter accompanying subsequently filed items
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Jun 20, 2016
May 19, 2016
Notification of forthcoming publication
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Apr 28, 2016
Refund of fees
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Apr 21, 2016
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European search opinion
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Apr 21, 2016
European search report
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Apr 21, 2016
Information on Search Strategy
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Apr 11, 2016
Search started
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Feb 1, 2016
Notice on debiting of fees
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Jan 26, 2016
(Electronic) Receipt
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Jan 26, 2016
Amended description with annotations
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Jan 26, 2016
Description
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Jan 26, 2016
Letter accompanying subsequently filed items
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Jan 26, 2016
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Description
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Nov 18, 2015
Drawings
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Nov 18, 2015
Matter concerning the application
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Nov 18, 2015
Previously filed application
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Oct 15, 2015
Sep 22, 2015
Communication to designated inventor
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Sep 22, 2015
Communication to designated inventor
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Sep 22, 2015
Communication to designated inventor
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Sep 22, 2015
Communication to designated inventor
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Jul 30, 2015
Abstract
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Jul 30, 2015
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Authorisation
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Jul 30, 2015
Claims
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Jul 30, 2015
Converted Sequence Listing
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Jul 30, 2015
Designation of inventor
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