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The patent EP3294873 was granted to Massachusetts Institute OF Technology on Sep 18, 2024. The application was filed on May 6, 2016 under application number EP16793259A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | May 19, 2021 | MATHYS & SQUIRE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US8021867 |
| DESCRIPTION | US8119381 |
| DESCRIPTION | US8124369 |
| DESCRIPTION | US8129134 |
| DESCRIPTION | US8133697 |
| DESCRIPTION | US8143015 |
| DESCRIPTION | US8143016 |
| DESCRIPTION | US8148098 |
| DESCRIPTION | US8163514 |
| DESCRIPTION | US8304222 |
| EXAMINATION | US2015132269 |
| EXAMINATION | WO2017115268 |
| EXAMINATION | WO2017182881 |
| INTERNATIONAL-SEARCH-REPORT | WO2012073047 |
| INTERNATIONAL-SEARCH-REPORT | WO2014085593 |
| OPPOSITION | WO2014085593 |
| OPPOSITION | WO2014186585 |
| SEARCH | WO2015065964 |
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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Aug 22, 2024
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Aug 7, 2024
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Refund of fees
Appeal
May 29, 2024
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May 21, 2024
(Electronic) Receipt
Appeal
May 21, 2024
May 21, 2024
Withdrawal of an appeal
Appeal
Mar 28, 2024
Mar 28, 2024
Mar 22, 2024
(Electronic) Receipt
Appeal
Mar 22, 2024
Notice of appeal
Appeal
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Means of redress
OPPO
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Decision to grant a European patent
Search/Exam
Jul 13, 2020
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Intention to grant (signatures)
Search/Exam
Jul 13, 2020
Text intended for grant (clean copy)
Search/Exam
Jul 13, 2020
Text intended for grant (sequence listing)
Search/Exam
Jul 13, 2020
Jun 30, 2020
(Electronic) Receipt
Search/Exam
Jun 30, 2020
Amended claims with annotations
Search/Exam
Jun 30, 2020
Claims
Search/Exam
Jun 30, 2020
French translation of claims
Search/Exam
Jun 30, 2020
German translation of the claims
Search/Exam
Jun 30, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 30, 2020
Mar 13, 2020
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Mar 13, 2020
Intention to grant (signatures)
Search/Exam
Mar 13, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 13, 2020
Text intended for grant (sequence listing)
Search/Exam
Mar 13, 2020
Mar 3, 2020
Dec 4, 2019
(Electronic) Receipt
Search/Exam
Dec 4, 2019
Amended claims with annotations
Search/Exam
Dec 4, 2019
Amended description with annotations
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Dec 4, 2019
Claims
Search/Exam
Dec 4, 2019
Description
Search/Exam
Dec 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 4, 2019
Aug 8, 2019
Aug 7, 2019
Annex to the communication
Search/Exam
Aug 7, 2019
Communication from the Examining Division
Search/Exam
Jul 31, 2019
Examination started
Search/Exam
May 9, 2019
Annexes in respect of a client data request
Search/Exam
May 9, 2019
Annexes in respect of a client data request
Search/Exam
May 9, 2019
General authorisation
Search/Exam
May 9, 2019
Letter accompanying subsequently filed items
Search/Exam
May 9, 2019
Request for correction
Search/Exam
Feb 27, 2019
(Electronic) Receipt
Search/Exam
Feb 27, 2019
Feb 27, 2019
Amended claims with annotations
Search/Exam
Feb 27, 2019
Amendments received before examination
Search/Exam
Feb 27, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 31, 2018
Aug 14, 2018
Aug 14, 2018
European search opinion
Search/Exam
Aug 14, 2018
Information on Search Strategy
Search/Exam
Aug 14, 2018
Supplementary European search report
Search/Exam
Aug 3, 2018
Search started
Search/Exam
Jul 6, 2018
(Electronic) Receipt
Search/Exam
Jul 6, 2018
Jul 6, 2018
Amended claims with annotations
Search/Exam
Jul 6, 2018
Amendments received before examination
Search/Exam
Jul 6, 2018
Letter accompanying subsequently filed items
Search/Exam
May 3, 2018
Communication to designated inventor
Search/Exam
Apr 27, 2018
(Electronic) Receipt
Search/Exam
Apr 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 27, 2018
Letter concerning the inventor
Search/Exam
Mar 27, 2018
Mar 20, 2018
Letter which had not been notified
Search/Exam
Feb 21, 2018
Jan 12, 2018
Dec 18, 2017
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Communication to designated inventor
Search/Exam
Dec 18, 2017
Communication to designated inventor
Search/Exam
Dec 18, 2017
Communication to designated inventor
Search/Exam
Dec 18, 2017
Communication to designated inventor
Search/Exam
Dec 18, 2017
Communication to designated inventor
Search/Exam
Dec 15, 2017
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(Electronic) Receipt
Search/Exam
Dec 12, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 12, 2017
Dec 7, 2017
(Electronic) Receipt
Search/Exam
Dec 7, 2017
Converted Sequence Listing
Search/Exam
Dec 7, 2017
Matter concerning the application
Search/Exam
Dec 7, 2017
Request for entry into the European phase
Search/Exam
Dec 7, 2017
Submission concerning representation
Search/Exam
Nov 27, 2017
Sep 22, 2017
Information on entry into European phase
Search/Exam
Jan 10, 2017
Notification of the recording of a change
Search/Exam
Dec 5, 2016
Nov 17, 2016
Converted Sequence Listing
Search/Exam
Nov 17, 2016
Copy of the international search report
Search/Exam
Nov 17, 2016
Published international application - A1
Search/Exam