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The patent EP3157786 was granted to Knorr Bremse Systeme FR Nutzfahrzeuge on Mar 6, 2019. The application was filed on Jun 11, 2015 under application number EP15729421A. 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 |
|---|---|---|---|
| WABCO EUROPE BVBA | Dec 3, 2019 | EISENFUHR SPEISER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102012014448 |
| EXAMINATION | DE102012014448 |
| EXAMINATION | EP3081433 |
| EXAMINATION | US2013113923 |
| EXAMINATION | WO2016164756 |
| INTERNATIONAL-SEARCH-REPORT | DE10035223 |
| OPPOSITION | DE10035223 |
| OPPOSITION | DE102008035428 |
| OPPOSITION | DE102011077143 |
| OPPOSITION | DE102011088332 |
| OPPOSITION | DE102012014448 |
| OPPOSITION | DE102012215322 |
| OPPOSITION | EP1302076 |
| OPPOSITION | EP1968011 |
| OPPOSITION | EP2133237 |
| OPPOSITION | EP2375376 |
| OPPOSITION | JP2010287029 |
| OPPOSITION | US2007273764 |
| OPPOSITION | US2008205706 |
| OPPOSITION | US2013113923 |
| OPPOSITION | US2013147958 |
| OPPOSITION | US2015286878 |
| OPPOSITION | US6923080 |
| OPPOSITION | US8094182 |
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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Oct 13, 2021
Sep 30, 2021
(Electronic) Receipt
Search/Exam
Sep 30, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 30, 2021
Request for change of name -opponent
Search/Exam
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Decision to grant a European patent
Search/Exam
Jan 18, 2019
English translation of the claims
Search/Exam
Jan 18, 2019
Filing of the translations of the claims
Search/Exam
Jan 18, 2019
French translation of claims
Search/Exam
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Intention to grant (signatures)
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Oct 16, 2018
Text intended for grant (clean copy)
Search/Exam
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Amended claims with annotations
Search/Exam
Jun 22, 2018
Claims
Search/Exam
Jun 22, 2018
Description
Search/Exam
Jun 22, 2018
Mar 21, 2018
Annex to the communication
Search/Exam
Mar 21, 2018
Communication from the Examining Division
Search/Exam
Mar 15, 2018
Examination started
Search/Exam
Jul 28, 2017
Non-scannable object
Search/Exam
Jul 28, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
Mar 29, 2017
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Priority search results
Search/Exam
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Request for entry into the European phase
Search/Exam
Oct 28, 2016
Information on entry into European phase
Search/Exam
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Copy of the international search report
Search/Exam
Dec 23, 2015
Copy of the international search report
Search/Exam
Dec 23, 2015
Published international application - A1
Search/Exam
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(Electronic) Receipt
PCTRO
Jun 11, 2015
Abstract
PCTRO
Jun 11, 2015
Claims
PCTRO
Jun 11, 2015
Description
PCTRO
Jun 11, 2015
Drawings
PCTRO