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The patent EP3502731 was granted to Inotec Sicherheitstechnik on Aug 2, 2023. The application was filed on Dec 20, 2018 under application number EP18214899A. 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 |
|---|---|---|---|
| ZUMTOBEL LIGHTING | Mar 27, 2024 | RUPP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102008017656 |
| DESCRIPTION | DE102014004170 |
| DESCRIPTION | DE102014013148 |
| DESCRIPTION | DE102014112726 |
| DESCRIPTION | DE202015101842U |
| DESCRIPTION | EP2849541 |
| DESCRIPTION | WO2011015975 |
| OPPOSITION | EP1790994 |
| OPPOSITION | EP2922039 |
| OPPOSITION | US2009270065 |
| OPPOSITION | US2017086202 |
| OPPOSITION | US7916066 |
| OPPOSITION | US8810415 |
| OPPOSITION | WO2012037680 |
| SEARCH | CN105743542 |
| SEARCH | EP1790994 |
| SEARCH | KR101566622B |
| SEARCH | US2009270065 |
| SEARCH | US2017086202 |
| SEARCH | US7916066 |
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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Description
OPPO
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Decision to grant a European patent
Search/Exam
Jun 21, 2023
(Electronic) Receipt
Search/Exam
Jun 21, 2023
English translation of the claims
Search/Exam
Jun 21, 2023
French translation of claims
Search/Exam
Jun 21, 2023
Letter accompanying subsequently filed items
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Feb 13, 2023
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Intention to grant (signatures)
Search/Exam
Feb 13, 2023
Text intended for grant (clean copy)
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Feb 13, 2023
Dec 21, 2021
(Electronic) Receipt
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Dec 21, 2021
Amended claims with annotations
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Dec 21, 2021
Amended claims with annotations
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Dec 21, 2021
Amended description with annotations
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Dec 21, 2021
Amended description with annotations
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Dec 21, 2021
Claims
Search/Exam
Dec 21, 2021
Claims
Search/Exam
Dec 21, 2021
Description
Search/Exam
Dec 21, 2021
Description
Search/Exam
Dec 21, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 21, 2021
Oct 27, 2021
Oct 22, 2021
(Electronic) Receipt
Search/Exam
Oct 22, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 22, 2021
Jun 28, 2021
Annex to the communication
Search/Exam
Jun 28, 2021
Communication from the Examining Division
Search/Exam
Jun 17, 2021
Examination started
Search/Exam
Jan 24, 2020
(Electronic) Receipt
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Jan 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2020
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(Electronic) Receipt
Search/Exam
Dec 13, 2019
Dec 13, 2019
Amended claims with annotations
Search/Exam
Dec 13, 2019
Dec 13, 2019
Amended description with annotations
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Dec 13, 2019
Amendments received before examination
Search/Exam
Dec 13, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 1, 2019
May 29, 2019
Notification of forthcoming publication
Search/Exam
May 2, 2019
May 2, 2019
European search opinion
Search/Exam
May 2, 2019
European search report
Search/Exam
May 2, 2019
Information on Search Strategy
Search/Exam
Apr 17, 2019
Search started
Search/Exam
Mar 15, 2019
Communication to designated inventor
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Jan 29, 2019
Letter concerning the priority
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Jan 29, 2019
Priority document
Search/Exam
Jan 25, 2019
(Electronic) Receipt
Search/Exam
Jan 25, 2019
Designation of inventor
Search/Exam
Jan 25, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 20, 2018
Abstract
Search/Exam
Dec 20, 2018
Dec 20, 2018
Claims
Search/Exam
Dec 20, 2018
Description
Search/Exam
Dec 20, 2018
Drawings
Search/Exam
Dec 20, 2018
Request for grant of a European patent
Search/Exam