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The patent EP3022453 was granted to Mahle on Jun 17, 2020. The application was filed on Jul 17, 2014 under application number EP14741581A. 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 |
|---|---|---|---|
| FEDERAL MOGUL WIESBADEN | Mar 17, 2021 | BECKER KURIG & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2003128902 |
| INTERNATIONAL-SEARCH-REPORT | US4133586 |
| INTERNATIONAL-SEARCH-REPORT | US6471405 |
| INTERNATIONAL-SEARCH-REPORT | WO2013068106 |
| OPPOSITION | DE102004014410 |
| OPPOSITION | DE19825116 |
| OPPOSITION | DE2433928 |
| OPPOSITION | DE2656306 |
| OPPOSITION | EP2195545 |
| OPPOSITION | US2003128902 |
| OPPOSITION | US4133586 |
| OPPOSITION | WO0073673 |
| OPPOSITION | WO2013068106 |
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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Nov 27, 2025
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(Electronic) Receipt
Appeal
Aug 9, 2023
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(Electronic) Receipt
Appeal
Jun 19, 2023
Jun 19, 2023
Notice of appeal
Appeal
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Means of redress
OPPO
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Description
OPPO
Jan 24, 2023
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Mar 17, 2021
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Jun 29, 2020
May 25, 2020
Decision to grant a European patent
Search/Exam
May 6, 2020
(Electronic) Receipt
Search/Exam
May 6, 2020
Filing of the translations of the claims
Search/Exam
May 6, 2020
French translation of claims
Search/Exam
May 6, 2020
German translation of the claims
Search/Exam
May 6, 2020
Letter concerning fees and payments
Search/Exam
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Intention to grant (signatures)
Search/Exam
Jan 10, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 10, 2020
Jul 24, 2019
(Electronic) Receipt
Search/Exam
Jul 24, 2019
Amended description with annotations
Search/Exam
Jul 24, 2019
Description
Search/Exam
Jul 24, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 24, 2019
Mar 28, 2019
Annex to the communication
Search/Exam
Mar 28, 2019
Communication from the Examining Division
Search/Exam
Mar 19, 2019
Examination started
Search/Exam
Mar 23, 2018
Mar 9, 2018
(Electronic) Receipt
Search/Exam
Mar 9, 2018
Enquiry as to the processing of the file
Search/Exam
Mar 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 28, 2016
Jul 28, 2016
Amended claims with annotations
Search/Exam
Jul 28, 2016
Amendments received before examination
Search/Exam
Jun 17, 2016
Communication to designated inventor
Search/Exam
Jun 4, 2016
Letter concerning the inventor
Search/Exam
Apr 28, 2016
Mar 30, 2016
Mar 17, 2016
Letter which had not been notified
Search/Exam
Feb 25, 2016
Feb 23, 2016
Communication to designated inventor
Search/Exam
Feb 23, 2016
Communication to designated inventor
Search/Exam
Feb 23, 2016
Communication to designated inventor
Search/Exam
Feb 23, 2016
Communication to designated inventor
Search/Exam
Feb 23, 2016
Communication to designated inventor
Search/Exam
Feb 23, 2016
Communication to designated inventor
Search/Exam
Feb 23, 2016
Communication to designated inventor
Search/Exam
Feb 1, 2016
Dec 9, 2015
Information regarding early processing
Search/Exam
Dec 1, 2015
(Electronic) Receipt
Search/Exam
Dec 1, 2015
Request for entry into the European phase
Search/Exam
Nov 27, 2015
Information on entry into European phase
Search/Exam
Feb 10, 2015
Jan 22, 2015
Copy of the international search report
Search/Exam
Jan 22, 2015
Published international application - A1
Search/Exam
Nov 4, 2014
Nov 4, 2014
Nov 4, 2014
Oct 15, 2014
Oct 15, 2014
Aug 25, 2014
Annex
PCTRO
Aug 25, 2014
Annex
PCTRO
Aug 25, 2014
Aug 25, 2014
Aug 25, 2014
Jul 17, 2014
(Electronic) Receipt
PCTRO
Jul 17, 2014
Abstract
PCTRO
Jul 17, 2014
Claims
PCTRO
Jul 17, 2014
Description
PCTRO
Jul 17, 2014
Drawings
PCTRO