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The patent EP3568525 was granted to Maurer Engineering on Nov 15, 2023. The application was filed on Feb 13, 2018 under application number EP18710325A. 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 |
|---|---|---|---|
| MAGEBA SERVICES & TECHNOLOGY | Aug 13, 2024 | GRATTINGER MOHRING VON POSCHINGER PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
| FIP MEC | Aug 8, 2024 | CONTADIN | ADMISSIBLE |
| FIP MEC | Aug 8, 2024 | SAVI | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | CN101705656B |
| INTERNATIONAL-SEARCH-REPORT | DE102005060375 |
| INTERNATIONAL-SEARCH-REPORT | WO2012114246 |
| INTERNATIONAL-SEARCH-REPORT | WO2014173622 |
| OPPOSITION | US4644714 |
| OTHER | US4644714 |
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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Jul 30, 2025
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Jul 11, 2025
Letter accompanying subsequently filed items
Search/Exam
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Nov 28, 2023
Oct 19, 2023
Decision to grant a European patent
Search/Exam
Oct 5, 2023
(Electronic) Receipt
Search/Exam
Oct 5, 2023
Filing of the translations of the claims
Search/Exam
Oct 5, 2023
Letter accompanying subsequently filed items
Search/Exam
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Intention to grant (signatures)
Search/Exam
Oct 2, 2023
Text intended for grant (clean copy)
Search/Exam
Oct 2, 2023
Aug 29, 2023
Aug 24, 2023
(Electronic) Receipt
Search/Exam
Aug 24, 2023
Amended claims with annotations
Search/Exam
Aug 24, 2023
Amended description with annotations
Search/Exam
Aug 24, 2023
Claims
Search/Exam
Aug 24, 2023
Description
Search/Exam
Aug 24, 2023
English translation of the claims
Search/Exam
Aug 24, 2023
French translation of claims
Search/Exam
Aug 24, 2023
Letter accompanying subsequently filed items
Search/Exam
Aug 24, 2023
Jul 21, 2023
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Intention to grant (signatures)
Search/Exam
Jul 21, 2023
Text intended for grant (clean copy)
Search/Exam
Jul 21, 2023
Jun 23, 2023
Jun 20, 2023
Non-patent literature filed by a third party
Search/Exam
Jun 20, 2023
Non-patent literature filed by a third party
Search/Exam
Jun 20, 2023
Non-patent literature filed by a third party
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Jun 20, 2023
Non-patent literature filed by a third party
Search/Exam
Jun 20, 2023
Non-patent literature filed by a third party
Search/Exam
Jun 20, 2023
Observations by third parties
Search/Exam
Jun 20, 2023
Patent document filed by a Third party
Search/Exam
Dec 15, 2022
Dec 2, 2022
(Electronic) Receipt
Search/Exam
Dec 2, 2022
Enquiry as to the processing of the file
Search/Exam
Dec 2, 2022
Letter accompanying subsequently filed items
Search/Exam
Dec 21, 2021
Dec 15, 2021
Observations by third parties
Search/Exam
Dec 1, 2021
(Electronic) Receipt
Search/Exam
Dec 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 1, 2021
Nov 3, 2021
Annex to the communication
Search/Exam
Nov 3, 2021
Communication from the Examining Division
Search/Exam
Jun 4, 2021
May 28, 2021
Observations by third parties
Search/Exam
May 18, 2021
Amended claims with annotations
Search/Exam
May 18, 2021
Claims
Search/Exam
May 18, 2021
Mar 30, 2021
Annex to the communication
Search/Exam
Mar 30, 2021
Communication from the Examining Division
Search/Exam
Mar 17, 2021
Examination started
Search/Exam
Apr 24, 2020
(Electronic) Receipt
Search/Exam
Apr 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2020
Priority search results
Search/Exam
Apr 24, 2020
Apr 21, 2020
Oct 23, 2019
Sep 3, 2019
Aug 29, 2019
Aug 28, 2019
Communication to designated inventor
Search/Exam
Aug 28, 2019
Communication to designated inventor
Search/Exam
Aug 19, 2019
Aug 19, 2019
Aug 13, 2019
(Electronic) Receipt
Search/Exam
Aug 13, 2019
Request for entry into the European phase
Search/Exam
Jun 28, 2019
Information on entry into European phase
Search/Exam
May 20, 2019
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Written opinion
PCT2
Jan 23, 2019
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Sep 12, 2018
Aug 29, 2018
Notification of election of EPO
Search/Exam
Aug 23, 2018
Copy of the international search report
Search/Exam
Aug 23, 2018
Published international application - A1
Search/Exam
Jul 17, 2018
Jul 10, 2018
Jul 10, 2018
PCT demand form
PCT2
Jul 10, 2018
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Feb 28, 2018
Feb 13, 2018
(Electronic) Receipt
PCTRO
Feb 13, 2018
Abstract
PCTRO
Feb 13, 2018
Claims
PCTRO
Feb 13, 2018
Description
PCTRO
Feb 13, 2018
Feb 13, 2018
Drawings
PCTRO