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The patent EP3552932 was granted to Reich Regel UND Sicherheitstechnik on Jul 19, 2023. The application was filed on Apr 5, 2019 under application number EP19167634A. 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 |
|---|---|---|---|
| TRUMA GERATETECHNIK | Nov 22, 2023 | PRINZ & PARTNER MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Means of redress
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OPPO
Sep 4, 2025
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OPPO
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OPPO
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Description
OPPO
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Aug 1, 2023
Jun 22, 2023
Decision to grant a European patent
Search/Exam
Jun 6, 2023
(Electronic) Receipt
Search/Exam
Jun 6, 2023
English translation of the claims
Search/Exam
Jun 6, 2023
Filing of the translations of the claims
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Jun 6, 2023
French translation of claims
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Jun 6, 2023
Letter accompanying subsequently filed items
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Jan 31, 2023
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Intention to grant (signatures)
Search/Exam
Jan 31, 2023
Text intended for grant (clean copy)
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Jan 31, 2023
Apr 13, 2022
(Electronic) Receipt
Search/Exam
Apr 13, 2022
Amended claims with annotations
Search/Exam
Apr 13, 2022
Amended description with annotations
Search/Exam
Apr 13, 2022
Claims
Search/Exam
Apr 13, 2022
Description
Search/Exam
Apr 13, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 13, 2022
Feb 25, 2022
Feb 21, 2022
(Electronic) Receipt
Search/Exam
Feb 21, 2022
Letter accompanying subsequently filed items
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Feb 21, 2022
Oct 21, 2021
Annex to the communication
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Oct 21, 2021
Communication from the Examining Division
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Apr 28, 2021
(Electronic) Receipt
Search/Exam
Apr 28, 2021
Amended claims with annotations
Search/Exam
Apr 28, 2021
Amended description with annotations
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Apr 28, 2021
Claims
Search/Exam
Apr 28, 2021
Description
Search/Exam
Apr 28, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 28, 2021
Mar 11, 2021
Mar 5, 2021
(Electronic) Receipt
Search/Exam
Mar 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2021
Nov 3, 2020
Annex to the communication
Search/Exam
Nov 3, 2020
Communication from the Examining Division
Search/Exam
Oct 27, 2020
Examination started
Search/Exam
Jul 3, 2020
Communication to designated inventor
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Jun 24, 2020
(Electronic) Receipt
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Jun 24, 2020
Letter accompanying subsequently filed items
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Jun 24, 2020
Letter concerning the inventor
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Apr 7, 2020
(Electronic) Receipt
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Apr 7, 2020
Apr 7, 2020
Amended claims with annotations
Search/Exam
Apr 7, 2020
Apr 7, 2020
Amended description with annotations
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Apr 7, 2020
Amendments received before examination
Search/Exam
Apr 7, 2020
Letter accompanying subsequently filed items
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Oct 21, 2019
Sep 18, 2019
Notification of forthcoming publication
Search/Exam
Sep 13, 2019
Sep 4, 2019
Letter which had not been notified
Search/Exam
Sep 3, 2019
Sep 3, 2019
European search opinion
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Sep 3, 2019
European search report
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Sep 3, 2019
Information on Search Strategy
Search/Exam
Aug 28, 2019
Modified abstract
Search/Exam
Aug 19, 2019
Search started
Search/Exam
Aug 14, 2019
Communication to designated inventor
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Aug 14, 2019
Communication to designated inventor
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Aug 14, 2019
Communication to designated inventor
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Aug 14, 2019
Communication to designated inventor
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Aug 14, 2019
Communication to designated inventor
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Aug 7, 2019
(Electronic) Receipt
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Aug 7, 2019
Designation of inventor
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Aug 7, 2019
Letter accompanying subsequently filed items
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May 23, 2019
Letter concerning the priority
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May 21, 2019
Letter concerning the priority
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May 15, 2019
Letter concerning the priority
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May 15, 2019
Priority document
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May 13, 2019
Deficiency in designation of inventor
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Apr 5, 2019
Abstract
Search/Exam
Apr 5, 2019
Apr 5, 2019
Claims
Search/Exam
Apr 5, 2019
Description
Search/Exam
Apr 5, 2019
Drawings
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Apr 5, 2019
Priority search results
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Apr 5, 2019
Request for grant of a European patent
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