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The patent EP3193643 was granted to Fontem on Oct 18, 2023. The application was filed on Sep 17, 2015 under application number EP15804574A. 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 |
|---|---|---|---|
| NICOVENTURES | Jul 16, 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 | US2013192618 |
| INTERNATIONAL-SEARCH-REPORT | US2013228191 |
| INTERNATIONAL-SEARCH-REPORT | US2013263869 |
| OPPOSITION | EP2783589 |
| OPPOSITION | US2011226236 |
| OPPOSITION | US2013192618 |
| OPPOSITION | US2013228191 |
| OPPOSITION | WO2013075439 |
| OPPOSITION | WO2013174001 |
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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Sep 21, 2023
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Refund of fees
Search/Exam
Jul 12, 2023
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(Electronic) Receipt
Appeal
Jul 5, 2023
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Withdrawal of an appeal
Appeal
Jun 15, 2023
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(Electronic) Receipt
Appeal
Jun 9, 2023
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Notice of appeal
Appeal
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OPPO
May 12, 2022
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OPPO
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Description
OPPO
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OPPO
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OPPO
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Decision to grant a European patent
Search/Exam
Sep 29, 2020
(Electronic) Receipt
Search/Exam
Sep 29, 2020
Enquiry as to the processing of the file
Search/Exam
Sep 29, 2020
Sep 7, 2020
Intention to grant (signatures)
Search/Exam
Aug 28, 2020
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Text intended for grant (clean copy)
Search/Exam
Aug 28, 2020
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(Electronic) Receipt
Search/Exam
Jul 31, 2020
Amended claims with annotations
Search/Exam
Jul 31, 2020
Claims
Search/Exam
Jul 31, 2020
French translation of claims
Search/Exam
Jul 31, 2020
German translation of the claims
Search/Exam
Jul 31, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 31, 2020
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Intention to grant (signatures)
Search/Exam
Apr 1, 2020
Text intended for grant (clean copy)
Search/Exam
Apr 1, 2020
Mar 10, 2020
Examination started
Search/Exam
Nov 22, 2017
(Electronic) Receipt
Search/Exam
Nov 22, 2017
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Amended claims with annotations
Search/Exam
Nov 22, 2017
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Amended description with annotations
Search/Exam
Nov 22, 2017
Amendments received before examination
Search/Exam
Nov 22, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 28, 2017
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Communication to designated inventor
Search/Exam
May 19, 2017
Communication to designated inventor
Search/Exam
May 19, 2017
Communication to designated inventor
Search/Exam
Apr 18, 2017
(Electronic) Receipt
Search/Exam
Apr 18, 2017
Request for entry into the European phase
Search/Exam
Apr 4, 2017
Mar 29, 2017
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Notification of the recording of a change
Search/Exam
Jan 27, 2017
Information on entry into European phase
Search/Exam
Apr 12, 2016
Mar 24, 2016
Copy of the international search report
Search/Exam
Mar 24, 2016
Published international application - A1
Search/Exam
Feb 10, 2016
ISR: cited documents
PCTISA
Feb 9, 2016
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Dec 17, 2015
Dec 4, 2015
Abstract
PCTISA
Dec 4, 2015
Claims
PCTISA
Dec 4, 2015
Description
PCTISA
Dec 4, 2015
Drawings
PCTISA
Dec 4, 2015