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The patent EP3312881 was granted to Tridonic on Jun 15, 2022. The application was filed on Oct 11, 2017 under application number EP17195873A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| SCHOPF | Mar 15, 2023 | SAMSON & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | CN104776396 |
| EXAMINATION | CN205595364U |
| EXAMINATION | US2014138725 |
| EXAMINATION | US2015316215 |
| EXAMINATION | US2018119939 |
| OPPOSITION | CN104763903 |
| OPPOSITION | CN104776396 |
| OPPOSITION | CN105333334 |
| OPPOSITION | CN205595364U |
| OPPOSITION | DE102012202102 |
| OPPOSITION | EP3282173 |
| OPPOSITION | EP3296625 |
| OPPOSITION | US2007228392 |
| OPPOSITION | US2010149783 |
| OPPOSITION | US2010320482 |
| OPPOSITION | US2011032702 |
| OPPOSITION | US2011176307 |
| OPPOSITION | US2014008669 |
| OPPOSITION | US2014138725 |
| OPPOSITION | US2015316215 |
| OPPOSITION | WO2009040722 |
| SEARCH | US2007228392 |
| SEARCH | US2010149783 |
| SEARCH | US2010320482 |
| SEARCH | US2011032702 |
| SEARCH | US2014008669 |
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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Decision to grant a European patent
Search/Exam
May 5, 2022
(Electronic) Receipt
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May 5, 2022
English translation of the claims
Search/Exam
May 5, 2022
Filing of the translations of the claims
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May 5, 2022
French translation of claims
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May 5, 2022
Letter accompanying subsequently filed items
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Mar 3, 2022
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Intention to grant (signatures)
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Mar 3, 2022
Text intended for grant (clean copy)
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Mar 3, 2022
Jun 24, 2021
(Electronic) Receipt
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Jun 24, 2021
Letter accompanying subsequently filed items
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Jun 24, 2021
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Feb 23, 2021
Communication from the Examining Division
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Nov 5, 2020
(Electronic) Receipt
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Nov 5, 2020
Amended claims with annotations
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Nov 5, 2020
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Letter accompanying subsequently filed items
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Annex to the communication
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Jun 25, 2020
Communication from the Examining Division
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May 20, 2020
(Electronic) Receipt
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May 20, 2020
Amended claims with annotations
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May 20, 2020
Claims
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May 20, 2020
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Mar 11, 2020
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Mar 11, 2020
Letter accompanying subsequently filed items
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Annex to a communication
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Annex to the communication
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Communication from the Examining Division
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Oct 10, 2019
(Electronic) Receipt
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Oct 10, 2019
Letter accompanying subsequently filed items
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Oct 10, 2019
Jun 28, 2019
Annex to the communication
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Jun 28, 2019
Communication from the Examining Division
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Jun 12, 2019
(Electronic) Receipt
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Jun 12, 2019
Amended claims with annotations
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Jun 12, 2019
Claims
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Jun 12, 2019
Letter accompanying subsequently filed items
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Jun 12, 2019
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Annex to the communication
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Feb 26, 2019
Communication from the Examining Division
Search/Exam
Feb 19, 2019
Examination started
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Oct 10, 2018
(Electronic) Receipt
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Oct 10, 2018
Letter accompanying subsequently filed items
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Oct 10, 2018
Reply to Written Opinion prepared by the EPO
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May 2, 2018
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Notification of forthcoming publication
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Jan 12, 2018
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European search opinion
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Jan 12, 2018
European search report
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Jan 12, 2018
Information on Search Strategy
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Jan 4, 2018
Search started
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Dec 4, 2017
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Dec 4, 2017
Communication to designated inventor
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Oct 13, 2017
Letter concerning the priority
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Oct 13, 2017
Priority document
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Oct 11, 2017
Abstract
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Oct 11, 2017
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Claims
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Oct 11, 2017
Description
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Oct 11, 2017
Designation of inventor
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Oct 11, 2017
Drawings
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Oct 11, 2017
Priority search results
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Oct 11, 2017
Request for grant of a European patent
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