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The patent EP3349720 was granted to Totalenergies Onetech on Jul 14, 2021. The application was filed on Sep 14, 2016 under application number EP16765986A. 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 |
|---|---|---|---|
| CABINET TRIPOZ | Apr 14, 2022 | TRIPOZ | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE102011087972 |
| EXAMINATION | DE102011087976 |
| EXAMINATION | EP2368967 |
| EXAMINATION | EP2368968 |
| EXAMINATION | US2007189989 |
| EXAMINATION | US2008193404 |
| EXAMINATION | US2009014354 |
| EXAMINATION | US2015191404 |
| EXAMINATION | US3439088 |
| EXAMINATION | US3818105 |
| EXAMINATION | US4724139 |
| EXAMINATION | US6428775 |
| EXAMINATION | US6696049 |
| EXAMINATION | WO2010098126 |
| INTERNATIONAL-SEARCH-REPORT | DE102005020707 |
| INTERNATIONAL-SEARCH-REPORT | US2004230085 |
| INTERNATIONAL-SEARCH-REPORT | US2008193404 |
| INTERNATIONAL-SEARCH-REPORT | US2009300970 |
| OPPOSITION | US2015191404 |
| OPPOSITION | US6096940 |
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 5, 2025
Dec 1, 2025
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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OPPO
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OPPO
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OPPO
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Decision to grant a European patent
Search/Exam
Jun 11, 2021
Observations by third parties
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Jun 4, 2021
(Electronic) Receipt
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Jun 4, 2021
English translation of the claims
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Jun 4, 2021
Filing of the translations of the claims
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Jun 4, 2021
German translation of the claims
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Jun 4, 2021
Letter accompanying subsequently filed items
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May 18, 2021
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May 12, 2021
Non-patent literature filed by a third party
Search/Exam
May 12, 2021
Non-patent literature filed by a third party
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May 12, 2021
Non-patent literature filed by a third party
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May 12, 2021
Observations by third parties
Search/Exam
May 7, 2021
Non-patent literature filed by a third party
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May 7, 2021
Non-patent literature filed by a third party
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May 7, 2021
Observations by third parties
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Mar 30, 2021
Document concerning representation
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Mar 30, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 10, 2021
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Text intended for grant (clean copy)
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Mar 10, 2021
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Intention to grant (signatures)
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Mar 4, 2021
Annex to a communication
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Mar 4, 2021
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Mar 4, 2021
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Mar 4, 2021
Annex to a communication
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Mar 4, 2021
Annex to the communication
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Mar 4, 2021
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Jan 20, 2021
Advice of delivery
Search/Exam
Jan 20, 2021
Jan 18, 2021
(Electronic) Receipt
Search/Exam
Jan 18, 2021
Amended claims with annotations
Search/Exam
Jan 18, 2021
Amended description with annotations
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Jan 18, 2021
Claims
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Jan 18, 2021
Description
Search/Exam
Jan 18, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 18, 2021
Jan 11, 2021
Annex to a communication
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Jan 11, 2021
Annex to the communication
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Jan 11, 2021
Consultation by telephone/in person
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Jan 11, 2021
Dec 17, 2020
Annex to the communication
Search/Exam
Dec 17, 2020
Consultation by telephone/in person
Search/Exam
Dec 17, 2020
Oct 26, 2020
(Electronic) Receipt
Search/Exam
Oct 26, 2020
Amended claims with annotations
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Oct 26, 2020
Amended claims with annotations
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Oct 26, 2020
Amended claims with annotations
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Oct 26, 2020
Amended claims with annotations
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Amended claims with annotations
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Amended claims with annotations
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Oct 26, 2020
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Oct 26, 2020
Claims
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Oct 26, 2020
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Oct 26, 2020
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Oct 26, 2020
Claims
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Oct 26, 2020
Letter accompanying subsequently filed items
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Oct 26, 2020
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Jun 10, 2020
Annex to the communication
Search/Exam
Jun 10, 2020
Summons to attend oral proceedings
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Mar 20, 2020
(Electronic) Receipt
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Mar 20, 2020
Amended claims with annotations
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Mar 20, 2020
Amended claims with annotations
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Mar 20, 2020
Amended claims with annotations
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Mar 20, 2020
Citation for the examination procedure
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Citation for the examination procedure
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Citation for the examination procedure
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Citation for the examination procedure
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Mar 20, 2020
Claims
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Mar 20, 2020
Letter accompanying subsequently filed items
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Mar 20, 2020
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Dec 16, 2019
(Electronic) Receipt
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Dec 16, 2019
Letter accompanying subsequently filed items
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Dec 16, 2019
Oct 4, 2019
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Oct 4, 2019
Communication from the Examining Division
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Aug 8, 2019
(Electronic) Receipt
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Aug 8, 2019
Annex
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Aug 8, 2019
Letter accompanying subsequently filed items
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Aug 8, 2019
Matter concerning the application
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Jul 12, 2019
(Electronic) Receipt
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Jul 12, 2019
Amended claims with annotations
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Jul 12, 2019
Claims
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Jul 12, 2019
Letter accompanying subsequently filed items
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Jul 12, 2019
Jan 3, 2019
Annex to the communication
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Jan 3, 2019
Communication from the Examining Division
Search/Exam
Dec 14, 2018
Examination started
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Jun 27, 2018
Apr 25, 2018
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Communication to designated inventor
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Apr 18, 2018
Priority search results copy provided by EPO
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Apr 10, 2018
(Electronic) Receipt
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Apr 10, 2018
Apr 10, 2018
Amendments received before examination
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Apr 10, 2018
Request for entry into the European phase
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Mar 27, 2018
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Information on entry into European phase
Search/Exam
Jan 12, 2018
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Written opinion
PCT2
Sep 12, 2017
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Notification of election of EPO
Search/Exam
Aug 1, 2017
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PCT demand form
PCT2
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Copy of the international search report
Search/Exam
Mar 23, 2017
Copy of the international search report
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Mar 23, 2017
Published international application - A1
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Oct 26, 2016
ISR: cited documents
PCTISA
Oct 26, 2016
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Sep 27, 2016
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Sep 14, 2016
(Electronic) Receipt
PCTRO
Sep 14, 2016
Abstract
PCTRO
Sep 14, 2016
Claims
PCTRO
Sep 14, 2016
Description
PCTRO
Sep 14, 2016
Sep 14, 2016
Sep 14, 2016