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The patent EP3461636 was granted to Wayray on May 19, 2021. The application was filed on Sep 29, 2017 under application number EP17194079A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| SAINT GOBAIN | Feb 21, 2022 | GEBAUER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0407772 |
| DESCRIPTION | EP2848595 |
| DESCRIPTION | US2015138627 |
| DESCRIPTION | US5335099 |
| DESCRIPTION | US5859714 |
| DESCRIPTION | US9261778 |
| EXAMINATION | EP0407772 |
| EXAMINATION | US5282066 |
| OPPOSITION | EP0407772 |
| OPPOSITION | JP3327354B |
| OPPOSITION | JPH04275956 |
| OPPOSITION | JPH0656484 |
| OPPOSITION | JPH07114328 |
| OPPOSITION | JPH07315893 |
| OPPOSITION | JPH0740764 |
| OPPOSITION | JPH0836351 |
| OPPOSITION | JPH10307529 |
| OPPOSITION | US2007103751 |
| OPPOSITION | US2008268349 |
| OPPOSITION | US2009091810 |
| OPPOSITION | US2017068095 |
| OPPOSITION | US5066525 |
| OPPOSITION | US5282066 |
| OPPOSITION | US5335099 |
| OPPOSITION | US5413863 |
| OPPOSITION | US5470662 |
| OPPOSITION | US5631107 |
| OPPOSITION | US5654116 |
| OPPOSITION | US5726782 |
| OPPOSITION | US9261778 |
| SEARCH | EP0407772 |
| SEARCH | US2017068095 |
| SEARCH | US5335099 |
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.
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OPPO
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Authorisation
OPPO
May 26, 2023
Authorisation
OPPO
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Jun 1, 2021
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Decision to grant a European patent
Search/Exam
Apr 16, 2021
Apr 6, 2021
(Electronic) Receipt
Search/Exam
Apr 6, 2021
(Electronic) Receipt
Search/Exam
Apr 6, 2021
Filing of the translations of the claims
Search/Exam
Apr 6, 2021
Filing of the translations of the claims
Search/Exam
Apr 6, 2021
German translation of the claims
Search/Exam
Apr 6, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 6, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 6, 2021
Translation of the claims
Search/Exam
Apr 6, 2021
Translation of the claims
Search/Exam
Apr 6, 2021
Translation of the claims
Search/Exam
Mar 31, 2021
Mar 25, 2021
(Electronic) Receipt
Search/Exam
Mar 25, 2021
Filing of the translations of the claims
Search/Exam
Mar 25, 2021
French translation of claims
Search/Exam
Mar 25, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 25, 2021
Translation of the claims
Search/Exam
Nov 26, 2020
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Intention to grant (signatures)
Search/Exam
Nov 26, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 26, 2020
Sep 7, 2020
(Electronic) Receipt
Search/Exam
Sep 7, 2020
Amended description with annotations
Search/Exam
Sep 7, 2020
Description
Search/Exam
Sep 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 7, 2020
Jun 18, 2020
Annex to the communication
Search/Exam
Jun 18, 2020
Communication from the Examining Division
Search/Exam
Apr 2, 2020
(Electronic) Receipt
Search/Exam
Apr 2, 2020
Amended claims with annotations
Search/Exam
Apr 2, 2020
Claims
Search/Exam
Apr 2, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 2, 2020
Dec 5, 2019
Annex to the communication
Search/Exam
Dec 5, 2019
Communication from the Examining Division
Search/Exam
Aug 21, 2019
Non-scannable object
Search/Exam
Aug 21, 2019
Non-scannable object
Search/Exam
Aug 21, 2019
Aug 16, 2019
Annex
Search/Exam
Aug 16, 2019
May 23, 2019
Annex to the communication
Search/Exam
May 23, 2019
Communication from the Examining Division
Search/Exam
May 17, 2019
Examination started
Search/Exam
Apr 8, 2019
Mar 6, 2019
Notification of forthcoming publication
Search/Exam
Nov 8, 2018
Nov 1, 2018
Sep 3, 2018
(Electronic) Receipt
Search/Exam
Sep 3, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 3, 2018
Reply to Written Opinion prepared by the EPO
Search/Exam
Jun 28, 2018
Apr 10, 2018
Communication to designated inventor
Search/Exam
Apr 5, 2018
Communication to designated inventor
Search/Exam
Apr 4, 2018
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European search opinion
Search/Exam
Apr 4, 2018
European search report
Search/Exam
Apr 4, 2018
Information on Search Strategy
Search/Exam
Apr 3, 2018
Letter concerning the inventor
Search/Exam
Mar 28, 2018
Letter concerning the inventor
Search/Exam
Mar 22, 2018
Search started
Search/Exam
Mar 12, 2018
Mar 6, 2018
Letter which had not been notified
Search/Exam
Dec 19, 2017
Communication to designated inventor
Search/Exam
Dec 19, 2017
Communication to designated inventor
Search/Exam
Dec 19, 2017
Communication to designated inventor
Search/Exam
Dec 19, 2017
Communication to designated inventor
Search/Exam
Dec 12, 2017
Dec 1, 2017
Letter concerning the inventor
Search/Exam
Oct 16, 2017
Oct 6, 2017
Letter concerning the inventor
Search/Exam
Sep 29, 2017
Abstract
Search/Exam
Sep 29, 2017
Sep 29, 2017
Claims
Search/Exam
Sep 29, 2017
Description
Search/Exam
Sep 29, 2017
Designation of inventor
Search/Exam
Sep 29, 2017
Drawings
Search/Exam
Sep 29, 2017
Request for grant of a European patent
Search/Exam