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The patent EP3516221 was granted to Knorr Bremse Systeme FR Nutzfahrzeuge on Apr 20, 2022. The application was filed on Sep 19, 2017 under application number EP17772018A. 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 |
|---|---|---|---|
| ATLAS COPCO | Jan 19, 2023 | TACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE102004061071 |
| INTERNATIONAL-SEARCH-REPORT | DE10101016 |
| INTERNATIONAL-SEARCH-REPORT | DE102004055360 |
| INTERNATIONAL-SEARCH-REPORT | DE102005052096 |
| INTERNATIONAL-SEARCH-REPORT | DE102014212145 |
| INTERNATIONAL-SEARCH-REPORT | EP0736692 |
| INTERNATIONAL-SEARCH-REPORT | EP2442051 |
| OPPOSITION | DE4033154 |
| OPPOSITION | US3922114 |
| OPPOSITION | USRE30994E |
| OPPOSITION | WO02070900 |
| OPPOSITION | WO2005042980 |
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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Means of redress
OPPO
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Authorisation
OPPO
Jun 9, 2023
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May 4, 2022
Mar 24, 2022
Decision to grant a European patent
Search/Exam
Mar 9, 2022
English translation of the claims
Search/Exam
Mar 9, 2022
Filing of the translations of the claims
Search/Exam
Mar 9, 2022
French translation of claims
Search/Exam
Nov 19, 2021
Nov 19, 2021
Nov 19, 2021
Intention to grant (signatures)
Search/Exam
Nov 19, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 19, 2021
Jun 17, 2021
Amended claims with annotations
Search/Exam
Jun 17, 2021
Amended description with annotations
Search/Exam
Jun 17, 2021
Claims
Search/Exam
Jun 17, 2021
Description
Search/Exam
Jun 17, 2021
Mar 3, 2021
Annex to the communication
Search/Exam
Mar 3, 2021
Communication from the Examining Division
Search/Exam
Feb 22, 2021
Examination started
Search/Exam
Jan 24, 2020
(Electronic) Receipt
Search/Exam
Jan 24, 2020
Jan 7, 2020
Aug 30, 2019
Abstract
Search/Exam
Aug 30, 2019
Abstract
Search/Exam
Aug 30, 2019
Aug 30, 2019
Amended claims with annotations
Search/Exam
Aug 30, 2019
Aug 30, 2019
Amended description with annotations
Search/Exam
Aug 30, 2019
Amendments received before examination
Search/Exam
Jul 3, 2019
May 8, 2019
May 6, 2019
Communication to designated inventor
Search/Exam
May 6, 2019
Communication to designated inventor
Search/Exam
May 6, 2019
Communication to designated inventor
Search/Exam
May 6, 2019
Communication to designated inventor
Search/Exam
Apr 12, 2019
Mar 21, 2019
Mar 21, 2019
Mar 21, 2019
Mar 21, 2019
Mar 21, 2019
Notification of the recording of a change
Search/Exam
Mar 21, 2019
Notification of the recording of a change
Search/Exam
Mar 20, 2019
(Electronic) Receipt
Search/Exam
Mar 20, 2019
Request for entry into the European phase
Search/Exam
Mar 15, 2019
Mar 12, 2019
Feb 1, 2019
Information on entry into European phase
Search/Exam
Apr 26, 2018
Mar 29, 2018
Copy of the international search report
Search/Exam
Mar 29, 2018
Copy of the international search report
Search/Exam
Mar 29, 2018
Published international application - A1
Search/Exam
Jan 9, 2018
Dec 8, 2017
ISR: cited documents
PCTISA
Dec 8, 2017
Dec 6, 2017
Dec 6, 2017
Dec 6, 2017
Oct 9, 2017
Oct 6, 2017
Oct 2, 2017
Sep 19, 2017
(Electronic) Receipt
PCTRO
Sep 19, 2017
Abstract
PCTRO
Sep 19, 2017
Claims
PCTRO
Sep 19, 2017
Description
PCTRO
Sep 19, 2017
Sep 19, 2017
Drawings
PCTRO
Sep 19, 2017