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The patent EP2831447 was granted to Knorr Bremse Systeme FR Nutzfahrzeuge on Mar 15, 2023. The application was filed on Mar 22, 2013 under application number EP13711391A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| BPW BERGISCHE ACHSEN | Jul 19, 2018 | DREISS PATENTANWALTE PARTG 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 | DE102005022597 |
| INTERNATIONAL-SEARCH-REPORT | EP0381947 |
| INTERNATIONAL-SEARCH-REPORT | EP0978665 |
| INTERNATIONAL-SEARCH-REPORT | GB2458789 |
| OPPOSITION | DE102005022597 |
| OPPOSITION | DE102005053303 |
| OPPOSITION | DE3707821 |
| OPPOSITION | DE4312377 |
| OPPOSITION | EP0381947 |
| OPPOSITION | EP0978665 |
| OPPOSITION | GB2458789 |
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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Feb 16, 2023
Feb 16, 2023
Feb 15, 2023
Refund of fees
OPPO
Feb 10, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
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Feb 7, 2023
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Jan 24, 2023
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 5, 2022
Nov 21, 2022
Refund of fees
Search/Exam
Nov 17, 2022
Nov 17, 2022
Nov 17, 2022
Nov 17, 2022
Nov 14, 2022
Oct 14, 2022
Oct 11, 2022
(Electronic) Receipt
Appeal
Oct 11, 2022
Oct 11, 2022
Sep 5, 2022
Aug 31, 2022
(Electronic) Receipt
Appeal
Aug 31, 2022
Aug 31, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 11, 2022
Jun 29, 2022
(Electronic) Receipt
Appeal
Jun 29, 2022
Jun 29, 2022
Jun 24, 2022
Jun 24, 2022
Jun 8, 2022
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Jun 2, 2022
Apr 26, 2022
Mar 1, 2022
Mar 1, 2022
Feb 15, 2022
Feb 15, 2022
May 17, 2021
Dec 23, 2020
Nov 23, 2020
(Electronic) Receipt
Appeal
Nov 23, 2020
Nov 23, 2020
Reply to appeal
Appeal
Aug 27, 2020
Aug 21, 2020
(Electronic) Receipt
Appeal
Aug 21, 2020
Aug 21, 2020
Claims
Appeal
Aug 21, 2020
Aug 21, 2020
Jun 26, 2020
Jun 26, 2020
Jun 18, 2020
(Electronic) Receipt
Appeal
Jun 18, 2020
Jun 18, 2020
Notice of appeal
Appeal
Apr 24, 2020
Apr 23, 2020
Apr 21, 2020
Apr 21, 2020
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Means of redress
OPPO
Apr 21, 2020
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Feb 19, 2020
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Nov 10, 2017
Oct 6, 2017
Decision to grant a European patent
Search/Exam
Sep 15, 2017
English translation of the claims
Search/Exam
Sep 15, 2017
Filing of the translations of the claims
Search/Exam
Sep 15, 2017
French translation of claims
Search/Exam
May 29, 2017
May 29, 2017
May 29, 2017
Intention to grant (signatures)
Search/Exam
May 29, 2017
Text intended for grant (clean copy)
Search/Exam
May 29, 2017
Apr 25, 2017
Examination started
Search/Exam
Dec 12, 2016
Apr 17, 2015
Apr 17, 2015
Amended claims with annotations
Search/Exam
Apr 17, 2015
Amendments received before examination
Search/Exam
Jan 8, 2015
Nov 26, 2014
Nov 4, 2014
Communication to designated inventor
Search/Exam
Nov 4, 2014
Communication to designated inventor
Search/Exam
Nov 4, 2014
Communication to designated inventor
Search/Exam
Nov 4, 2014
Communication to designated inventor
Search/Exam
Nov 4, 2014
Communication to designated inventor
Search/Exam
Oct 14, 2014
Sep 12, 2014
Priority search results
Search/Exam
Sep 12, 2014
Request for entry into the European phase
Search/Exam
Aug 8, 2014
Information on entry into European phase
Search/Exam
Mar 20, 2014
CDS Clean up - amended applicant details
Search/Exam
Nov 27, 2013
Nov 27, 2013
Nov 27, 2013
Notification of the recording of a change
Search/Exam
Nov 27, 2013
Notification of the recording of a change
Search/Exam
Oct 22, 2013
Oct 3, 2013
Copy of the international search report
Search/Exam
Oct 3, 2013
Copy of the international search report
Search/Exam
Oct 3, 2013
Published international application - A1
Search/Exam
Jun 17, 2013
Jun 17, 2013
Jun 17, 2013
Mar 22, 2013
(Electronic) Receipt
PCTRO
Mar 22, 2013
Abstract
PCTRO
Mar 22, 2013
Claims
PCTRO
Mar 22, 2013
Description
PCTRO
Mar 22, 2013
Drawings
PCTRO
Mar 22, 2013