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The patent EP3071273 was granted to Fontem on Dec 30, 2020. The application was filed on Nov 21, 2014 under application number EP14864703A. 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 | Sep 30, 2021 | D YOUNG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2009320863 |
| INTERNATIONAL-SEARCH-REPORT | US2011036346 |
| INTERNATIONAL-SEARCH-REPORT | US2011265806 |
| INTERNATIONAL-SEARCH-REPORT | US2011277764 |
| INTERNATIONAL-SEARCH-REPORT | US2012104 |
| INTERNATIONAL-SEARCH-REPORT | US2013284192 |
| OPPOSITION | US2004031497 |
| OPPOSITION | US2011226236 |
| OPPOSITION | US2012048266 |
| OPPOSITION | US2013284192 |
| OPPOSITION | WO2014060269 |
| SEARCH | US2004031497 |
| SEARCH | US2012199146 |
| SEARCH | US2013284192 |
| SEARCH | WO2014205456 |
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 23, 2025
Dec 23, 2025
Dec 23, 2025
Dec 1, 2025
Nov 10, 2025
Nov 6, 2025
(Electronic) Receipt
Appeal
Nov 6, 2025
Oct 22, 2025
Oct 21, 2025
(Electronic) Receipt
Appeal
Oct 21, 2025
Oct 21, 2025
Jun 5, 2025
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Jan 16, 2025
Jan 15, 2025
(Electronic) Receipt
Appeal
Jan 15, 2025
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Jan 8, 2025
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Dec 6, 2024
(Electronic) Receipt
Appeal
Dec 6, 2024
Dec 6, 2024
Oct 14, 2024
Sep 27, 2024
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Jun 4, 2024
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May 28, 2024
May 23, 2024
(Electronic) Receipt
Appeal
May 23, 2024
May 23, 2024
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Apr 4, 2024
Mar 28, 2024
(Electronic) Receipt
Appeal
Mar 28, 2024
Mar 28, 2024
Mar 13, 2024
Dec 12, 2023
Dec 7, 2023
(Electronic) Receipt
Appeal
Dec 7, 2023
Dec 7, 2023
Reply to appeal
Appeal
Aug 17, 2023
Aug 11, 2023
(Electronic) Receipt
Appeal
Aug 11, 2023
Aug 11, 2023
Jul 14, 2023
Jul 14, 2023
Jun 9, 2023
(Electronic) Receipt
Appeal
Jun 9, 2023
Jun 9, 2023
Notice of appeal
Appeal
Apr 17, 2023
Apr 17, 2023
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Apr 13, 2023
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Means of redress
OPPO
Apr 3, 2023
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Jan 18, 2021
Dec 3, 2020
Decision to grant a European patent
Search/Exam
Nov 5, 2020
(Electronic) Receipt
Search/Exam
Nov 5, 2020
Filing of the translations of the claims
Search/Exam
Nov 5, 2020
French translation of claims
Search/Exam
Nov 5, 2020
German translation of the claims
Search/Exam
Nov 5, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 2, 2020
Sep 2, 2020
Sep 2, 2020
Intention to grant (signatures)
Search/Exam
Sep 2, 2020
Sep 2, 2020
Text intended for grant (clean copy)
Search/Exam
Sep 2, 2020
Aug 20, 2020
(Electronic) Receipt
Search/Exam
Aug 20, 2020
Enquiry as to the processing of the file
Search/Exam
Aug 20, 2020
Letter accompanying subsequently filed items
Search/Exam
May 7, 2018
(Electronic) Receipt
Search/Exam
May 7, 2018
May 7, 2018
Amended claims with annotations
Search/Exam
May 7, 2018
Amendments received before examination
Search/Exam
May 7, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 8, 2017
Oct 20, 2017
Oct 20, 2017
European search opinion
Search/Exam
Oct 20, 2017
Information on Search Strategy
Search/Exam
Oct 20, 2017
Supplementary European search report
Search/Exam
Aug 28, 2017
(Electronic) Receipt
Search/Exam
Aug 28, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 28, 2017
Letter concerning search matters
Search/Exam
Jul 11, 2017
Jul 11, 2017
Information on Search Strategy
Search/Exam
Jul 11, 2017
Partial European search report
Search/Exam
Jul 11, 2017
Jun 26, 2017
Search started
Search/Exam
Feb 22, 2017
(Electronic) Receipt
Search/Exam
Feb 22, 2017
Feb 22, 2017
Amended claims with annotations
Search/Exam
Feb 22, 2017
Feb 22, 2017
Amended description with annotations
Search/Exam
Feb 22, 2017
Amendments received before examination
Search/Exam
Feb 22, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 31, 2016
Aug 12, 2016
Aug 10, 2016
Communication to designated inventor
Search/Exam
Aug 10, 2016
Communication to designated inventor
Search/Exam
Aug 10, 2016
Communication to designated inventor
Search/Exam
Aug 10, 2016
Communication to designated inventor
Search/Exam
Jun 21, 2016
(Electronic) Receipt
Search/Exam
Jun 21, 2016
Request for entry into the European phase
Search/Exam
Jun 7, 2016
Jun 2, 2016
Notification of the recording of a change
Search/Exam
Apr 1, 2016
Information on entry into European phase
Search/Exam
Jun 15, 2015
May 28, 2015
Copy of the international search report
Search/Exam
May 28, 2015
Published international application - A1
Search/Exam