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The patent EP3144390 was granted to Massachusetts Institute OF Technology on Mar 18, 2020. The application was filed on Dec 12, 2013 under application number EP16194919A. 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 |
|---|---|---|---|
| GRUND | Dec 18, 2020 | GRUND | ADMISSIBLE |
| PATENT BOUTIQUE | Mar 30, 2020 | PATENT BOUTIQUE | ADMISSIBLE |
| CRISPR THERAPEUTICS | Mar 19, 2020 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO1994US05700 |
| DESCRIPTION | EP0264166 |
| DESCRIPTION | US2003087817 |
| DESCRIPTION | US2009100536 |
| DESCRIPTION | US2011059502 |
| DESCRIPTION | US4186183 |
| DESCRIPTION | US4217344 |
| DESCRIPTION | US4235871 |
| DESCRIPTION | US4261975 |
| DESCRIPTION | US4485054 |
| DESCRIPTION | US4501728 |
| DESCRIPTION | US4774085 |
| DESCRIPTION | US4797368 |
| DESCRIPTION | US4837028 |
| DESCRIPTION | US4873316 |
| DESCRIPTION | US4897355 |
| DESCRIPTION | US4946787 |
| DESCRIPTION | US5049386 |
| DESCRIPTION | US5173414 |
| DESCRIPTION | US6603061 |
| DESCRIPTION | US7868149 |
| DESCRIPTION | WO9116024 |
| DESCRIPTION | WO9117424 |
| DESCRIPTION | WO9324641 |
| EXAMINATION | WO2013176772 |
| OPPOSITION | EP2771468 |
| OPPOSITION | EP2784162 |
| OPPOSITION | US2005220796 |
| OPPOSITION | US2013074819 |
| OPPOSITION | US736527 |
| OPPOSITION | US748427 |
| OPPOSITION | US757640 |
| OPPOSITION | US758468 |
| OPPOSITION | US769046 |
| OPPOSITION | US791409 |
| OPPOSITION | US802174 |
| OPPOSITION | US806375 |
| OPPOSITION | US814263 |
| OPPOSITION | US819803 |
| OPPOSITION | US828130 |
| OPPOSITION | US835931 |
| OPPOSITION | US836127 |
| OPPOSITION | WO2013176772 |
| OPPOSITION | WO2014093712 |
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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Description
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Mar 17, 2025
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Refund of fees
Appeal
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Appeal
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Withdrawal of an appeal
Appeal
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Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Feb 28, 2024
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Appeal
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Appeal
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Appeal
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Notice of appeal
Appeal
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OPPO
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Refund of fees
OPPO
Mar 30, 2020
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Payment submission rejected
Search/Exam
Feb 20, 2020
Decision to grant a European patent
Search/Exam
Feb 10, 2020
(Electronic) Receipt
Search/Exam
Feb 10, 2020
Filing of the translations of the claims
Search/Exam
Feb 10, 2020
French translation of claims
Search/Exam
Feb 10, 2020
German translation of the claims
Search/Exam
Jan 9, 2020
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Jan 9, 2020
Intention to grant (signatures)
Search/Exam
Jan 9, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 9, 2020
Text intended for grant (sequence listing)
Search/Exam
Jan 9, 2020
Sep 27, 2019
(Electronic) Receipt
Search/Exam
Sep 27, 2019
Annex
Search/Exam
Sep 27, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2019
Jul 2, 2019
Jun 26, 2019
(Electronic) Receipt
Search/Exam
Jun 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 26, 2019
May 31, 2019
May 9, 2019
Annex
Search/Exam
May 9, 2019
Annex
Search/Exam
May 9, 2019
Annex
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May 9, 2019
Annex
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May 9, 2019
General authorisation
Search/Exam
Apr 8, 2019
Apr 2, 2019
Non-patent literature filed by a third party
Search/Exam
Apr 2, 2019
Non-patent literature filed by a third party
Search/Exam
Apr 2, 2019
Observations by third parties
Search/Exam
Mar 21, 2019
Annex to the communication
Search/Exam
Mar 21, 2019
Communication from the Examining Division
Search/Exam
Feb 5, 2019
(Electronic) Receipt
Search/Exam
Feb 5, 2019
Amended claims with annotations
Search/Exam
Feb 5, 2019
Claims
Search/Exam
Feb 5, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 5, 2019
Nov 26, 2018
Nov 21, 2018
(Electronic) Receipt
Search/Exam
Nov 21, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 21, 2018
Jul 26, 2018
Annex to the communication
Search/Exam
Jul 26, 2018
Communication from the Examining Division
Search/Exam
Jul 20, 2018
Examination started
Search/Exam
Mar 27, 2017
Mar 20, 2017
(Electronic) Receipt
Search/Exam
Mar 20, 2017
Mar 20, 2017
Amended claims with annotations
Search/Exam
Mar 20, 2017
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Amended description with annotations
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Mar 20, 2017
Amendments received before examination
Search/Exam
Mar 20, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 22, 2017
Notification of forthcoming publication
Search/Exam
Feb 1, 2017
Refund of fees
Search/Exam
Jan 24, 2017
Jan 24, 2017
European search opinion
Search/Exam
Jan 24, 2017
European search report
Search/Exam
Jan 24, 2017
Information on Search Strategy
Search/Exam
Dec 23, 2016
Communication to designated inventor
Search/Exam
Dec 23, 2016
Communication to designated inventor
Search/Exam
Dec 23, 2016
Communication to designated inventor
Search/Exam
Dec 23, 2016
Communication to designated inventor
Search/Exam
Dec 7, 2016
(Electronic) Receipt
Search/Exam
Dec 7, 2016
Designation of inventor
Search/Exam
Dec 7, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 11, 2016
Deficiency in designation of inventor
Search/Exam
Oct 20, 2016
Abstract
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Oct 20, 2016
Oct 20, 2016
Claims
Search/Exam
Oct 20, 2016
Converted Sequence Listing
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Oct 20, 2016
Description
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Oct 20, 2016
Drawings
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Oct 20, 2016
Request for grant of a European patent
Search/Exam
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