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The patent EP3793871 was granted to Wabco on Jan 25, 2023. The application was filed on May 13, 2019 under application number EP19725658A. 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 |
|---|---|---|---|
| KNORR BREMSE SYSTEME FUR NUTZFAHRZEUGE | Oct 24, 2023 | PRUFER & PARTNER MBB PATENTANWALTE RECHTSANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102009030816 |
| INTERNATIONAL-SEARCH-REPORT | DE19918995 |
| INTERNATIONAL-SEARCH-REPORT | EP3031663 |
| INTERNATIONAL-SEARCH-REPORT | US2017106755 |
| OPPOSITION | JP2014118072 |
| OPPOSITION | JP2018074257 |
| OPPOSITION | US2017334437 |
| OPPOSITION | US2017355373 |
| OPPOSITION | US5615933 |
| OPPOSITION | US7281770 |
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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OPPO
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Authorisation
OPPO
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Description
OPPO
Mar 7, 2024
Description
OPPO
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Description
OPPO
Mar 7, 2024
Description
OPPO
Mar 7, 2024
Description
OPPO
Mar 7, 2024
Description
OPPO
Mar 7, 2024
Description
OPPO
Mar 7, 2024
Description
OPPO
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Decision to grant a European patent
Search/Exam
Dec 14, 2022
(Electronic) Receipt
Search/Exam
Dec 14, 2022
English translation of the claims
Search/Exam
Dec 14, 2022
Filing of the translations of the claims
Search/Exam
Dec 14, 2022
French translation of claims
Search/Exam
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Intention to grant (signatures)
Search/Exam
Nov 15, 2022
Text intended for grant (clean copy)
Search/Exam
Nov 15, 2022
Oct 27, 2022
Examination started
Search/Exam
Jan 21, 2022
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Dec 2, 2021
Annexes in respect of a client data request
Search/Exam
Dec 2, 2021
Annexes in respect of a client data request
Search/Exam
Dec 2, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2021
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Aug 30, 2021
(Electronic) Receipt
Search/Exam
Aug 30, 2021
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(Electronic) Receipt
Search/Exam
Mar 23, 2021
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Amended claims with annotations
Search/Exam
Mar 23, 2021
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Amended description with annotations
Search/Exam
Mar 23, 2021
Amendments received before examination
Search/Exam
Mar 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 3, 2021
Annexes in respect of a client data request
Search/Exam
Mar 3, 2021
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Document concerning representation
Search/Exam
Feb 24, 2021
Jan 11, 2021
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Communication to designated inventor
Search/Exam
Dec 22, 2020
Communication to designated inventor
Search/Exam
Nov 30, 2020
Oct 8, 2020
(Electronic) Receipt
Search/Exam
Oct 8, 2020
Request for entry into the European phase
Search/Exam
Sep 25, 2020
Information on entry into European phase
Search/Exam
Dec 9, 2019
Nov 21, 2019
Copy of the international search report
Search/Exam
Nov 21, 2019
Copy of the international search report
Search/Exam
Nov 21, 2019
Published international application - A1
Search/Exam
Jun 4, 2019
May 29, 2019
May 13, 2019
(Electronic) Receipt
PCTRO
May 13, 2019
Abstract
PCTRO
May 13, 2019
Claims
PCTRO
May 13, 2019
Description
PCTRO
May 13, 2019
May 13, 2019
Drawings
PCTRO
May 13, 2019