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The patent EP3236787 was granted to Fontem on Apr 26, 2023. The application was filed on Dec 25, 2014 under application number EP14908768A. 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 |
|---|---|---|---|
| NICOVENTURES | Jan 26, 2024 | D YOUNG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2014270727 |
| INTERNATIONAL-SEARCH-REPORT | CN102088875 |
| INTERNATIONAL-SEARCH-REPORT | CN102940313 |
| INTERNATIONAL-SEARCH-REPORT | CN104116138 |
| INTERNATIONAL-SEARCH-REPORT | CN201379072Y |
| INTERNATIONAL-SEARCH-REPORT | CN202749479U |
| INTERNATIONAL-SEARCH-REPORT | EP2143346 |
| INTERNATIONAL-SEARCH-REPORT | US2013104916 |
| INTERNATIONAL-SEARCH-REPORT | US2014334804 |
| OPPOSITION | EP2468117 |
| OPPOSITION | US2014334804 |
| OPPOSITION | WO2014203083 |
| OPPOSITION | WO2015100361 |
| SEARCH | DE202013010986U |
| SEARCH | US2014270727 |
| SEARCH | US2014278250 |
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 16, 2025
Dec 11, 2025
(Electronic) Receipt
Appeal
Dec 11, 2025
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(Electronic) Receipt
Appeal
Oct 10, 2025
Notice of appeal
Appeal
Oct 10, 2025
Notice of appeal
Appeal
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OPPO
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May 10, 2023
Mar 30, 2023
Decision to grant a European patent
Search/Exam
Mar 14, 2023
(Electronic) Receipt
Search/Exam
Mar 14, 2023
Filing of the translations of the claims
Search/Exam
Mar 14, 2023
French translation of claims
Search/Exam
Mar 14, 2023
German translation of the claims
Search/Exam
Mar 14, 2023
Letter accompanying subsequently filed items
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Dec 22, 2022
Dec 15, 2022
(Electronic) Receipt
Search/Exam
Dec 15, 2022
Annexes in respect of a client data request
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Dec 15, 2022
Letter accompanying subsequently filed items
Search/Exam
Dec 15, 2022
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Intention to grant (signatures)
Search/Exam
Nov 16, 2022
Text intended for grant (clean copy)
Search/Exam
Nov 16, 2022
Jul 4, 2022
(Electronic) Receipt
Search/Exam
Jul 4, 2022
Amended claims with annotations
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Jul 4, 2022
Claims
Search/Exam
Jul 4, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 4, 2022
Mar 11, 2022
Annex to the communication
Search/Exam
Mar 11, 2022
Communication from the Examining Division
Search/Exam
Mar 4, 2022
Feb 21, 2022
(Electronic) Receipt
Search/Exam
Feb 21, 2022
Enquiry as to the processing of the file
Search/Exam
Feb 21, 2022
Feb 22, 2021
(Electronic) Receipt
Search/Exam
Feb 22, 2021
Amended claims with annotations
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Feb 22, 2021
Claims
Search/Exam
Feb 22, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 22, 2021
Oct 23, 2020
Annex to the communication
Search/Exam
Oct 23, 2020
Communication from the Examining Division
Search/Exam
Oct 20, 2020
Examination started
Search/Exam
Jul 30, 2020
Jul 16, 2020
(Electronic) Receipt
Search/Exam
Jul 16, 2020
Enquiry as to the processing of the file
Search/Exam
Jul 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 6, 2019
(Electronic) Receipt
Search/Exam
Jun 6, 2019
Jun 6, 2019
Amended claims with annotations
Search/Exam
Jun 6, 2019
Jun 6, 2019
Amended description with annotations
Search/Exam
Jun 6, 2019
Amendments received before examination
Search/Exam
Jun 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 7, 2018
Nov 21, 2018
Nov 21, 2018
European search opinion
Search/Exam
Nov 21, 2018
Information on Search Strategy
Search/Exam
Nov 21, 2018
Supplementary European search report
Search/Exam
Nov 15, 2018
Nov 5, 2018
(Electronic) Receipt
Search/Exam
Nov 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 5, 2018
Letter concerning the inventor
Search/Exam
Nov 5, 2018
Letter concerning the inventor
Search/Exam
Oct 25, 2018
Oct 17, 2018
(Electronic) Receipt
Search/Exam
Oct 17, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 17, 2018
Letter concerning the inventor
Search/Exam
Sep 21, 2018
(Electronic) Receipt
Search/Exam
Sep 21, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 21, 2018
Jul 23, 2018
Jul 12, 2018
Search started
Search/Exam
Feb 9, 2018
(Electronic) Receipt
Search/Exam
Feb 9, 2018
Feb 9, 2018
Amendments received before examination
Search/Exam
Feb 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 7, 2018
Communication to designated inventor
Search/Exam
Jan 17, 2018
(Electronic) Receipt
Search/Exam
Jan 17, 2018
Jan 17, 2018
Amended claims with annotations
Search/Exam
Jan 17, 2018
Amendments received before examination
Search/Exam
Jan 17, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 9, 2018
(Electronic) Receipt
Search/Exam
Jan 9, 2018
Designation of inventor
Search/Exam
Jan 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 9, 2018
Letter concerning the inventor
Search/Exam
Oct 5, 2017
Aug 4, 2017
Aug 2, 2017
Communication to designated inventor
Search/Exam
Jul 10, 2017
Jun 26, 2017
(Electronic) Receipt
Search/Exam
Jun 26, 2017
Jun 26, 2017
Request for entry into the European phase
Search/Exam
May 8, 2017
Information on entry into European phase
Search/Exam
Nov 28, 2016
Notification of the recording of a change
Search/Exam
Jun 30, 2016
Copy of the international search report
Search/Exam
Jun 30, 2016
Published international application - A1
Search/Exam