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The patent EP3702463 was granted to Massachusetts Institute OF Technology on Mar 19, 2025. The application was filed on Dec 12, 2013 under application number EP20158349A. 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 19, 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 |
|---|---|
| DESCRIPTION | US19360618359 |
| DESCRIPTION | US19800618360 |
| DESCRIPTION | US20010618361 |
| DESCRIPTION | US20230618361 |
| 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 |
| SEARCH | WO2013176772 |
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 19, 2025
Dec 19, 2025
Annex
OPPO
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Decision to grant a European patent
Search/Exam
Feb 10, 2025
(Electronic) Receipt
Search/Exam
Feb 10, 2025
Filing of the translations of the claims
Search/Exam
Feb 10, 2025
French translation of claims
Search/Exam
Feb 10, 2025
German translation of the claims
Search/Exam
Oct 31, 2024
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Intention to grant (signatures)
Search/Exam
Oct 31, 2024
Text intended for grant (clean copy)
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Oct 31, 2024
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Examination started
Search/Exam
Jul 19, 2022
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Document concerning representation
Search/Exam
Jul 12, 2022
Letter accompanying subsequently filed items
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Jun 14, 2021
Decision to allow further processing
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Jun 1, 2021
(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Jun 1, 2021
Letter accompanying subsequently filed items
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Jun 1, 2021
Request for further processing
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Mar 24, 2021
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(Electronic) Receipt
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Feb 26, 2021
Letter accompanying subsequently filed items
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Feb 26, 2021
Letter concerning fees and payments
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Sep 7, 2020
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Communication to designated inventor
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Aug 13, 2020
Change to the inventor details
Search/Exam
Aug 7, 2020
(Electronic) Receipt
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Aug 7, 2020
Letter accompanying subsequently filed items
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Aug 7, 2020
Letter concerning the inventor
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Aug 5, 2020
Notification of forthcoming publication
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Jul 31, 2020
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Refund of fees
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Jul 24, 2020
Letter which had not been notified
Search/Exam
Jul 14, 2020
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European search opinion
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Jul 14, 2020
European search report
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Jul 14, 2020
Information on Search Strategy
Search/Exam
Jun 26, 2020
Refund of fees
Search/Exam
Jun 17, 2020
(Electronic) Receipt
Search/Exam
Jun 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 17, 2020
Letter concerning fees and payments
Search/Exam
Apr 30, 2020
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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(Electronic) Receipt
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(Electronic) Receipt
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Apr 23, 2020
Claims
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Apr 23, 2020
Designation of inventor
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Apr 23, 2020
Letter accompanying subsequently filed items
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Apr 23, 2020
Letter accompanying subsequently filed items
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Apr 23, 2020
Matter concerning the application
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Apr 23, 2020
Matter concerning the application
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Mar 13, 2020
Refund of fees
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Feb 28, 2020
Deficiency in designation of inventor
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Feb 28, 2020
Invitation to file claims
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Feb 19, 2020
Abstract
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Feb 19, 2020
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Converted Sequence Listing
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Feb 19, 2020
Description
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Feb 19, 2020
Drawings
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Feb 19, 2020
Request for grant of a European patent
Search/Exam
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