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The patent EP3655305 was granted to Knorr Bremse Gesellschaft MIT Beschrnkter Haftung on Sep 8, 2021. The application was filed on Jul 13, 2018 under application number EP18742987A. 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 |
|---|---|---|---|
| FAIVELEY TRANSPORT BOCHUM | Jun 8, 2022 | RGTH | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102004018008 |
| INTERNATIONAL-SEARCH-REPORT | CH173604 |
| INTERNATIONAL-SEARCH-REPORT | DE102004018008 |
| INTERNATIONAL-SEARCH-REPORT | DE102014103627 |
| INTERNATIONAL-SEARCH-REPORT | DE688001 |
| INTERNATIONAL-SEARCH-REPORT | GB1339473 |
| OPPOSITION | CH173604 |
| OPPOSITION | DE102004018008 |
| OPPOSITION | DE102007014717 |
| OPPOSITION | DE102014103627 |
| OPPOSITION | DE688001 |
| OPPOSITION | EP0038963 |
| OPPOSITION | EP0575935 |
| OPPOSITION | EP0716970 |
| OPPOSITION | GB1339473 |
| OPPOSITION | GB441676 |
| OPPOSITION | US2255798 |
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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Decision to grant a European patent
Search/Exam
Jun 2, 2021
(Electronic) Receipt
Search/Exam
Jun 2, 2021
English translation of the claims
Search/Exam
Jun 2, 2021
Filing of the translations of the claims
Search/Exam
Jun 2, 2021
French translation of claims
Search/Exam
Feb 19, 2021
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Intention to grant (signatures)
Search/Exam
Feb 19, 2021
Text intended for grant (clean copy)
Search/Exam
Feb 19, 2021
Feb 2, 2021
Examination started
Search/Exam
Oct 28, 2020
Priority search results
Search/Exam
Oct 28, 2020
Oct 26, 2020
Priority search results
Search/Exam
Oct 26, 2020
Oct 15, 2020
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Amended claims with annotations
Search/Exam
Jul 29, 2020
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Amendments received before examination
Search/Exam
Jul 27, 2020
Amended claims with annotations
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Jul 27, 2020
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Amendments received before examination
Search/Exam
Jul 27, 2020
Claims
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Jul 27, 2020
Description
Search/Exam
May 15, 2020
Document concerning representation
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Apr 30, 2020
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Communication to designated inventor
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Feb 3, 2020
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(Electronic) Receipt
Search/Exam
Jan 3, 2020
Request for entry into the European phase
Search/Exam
Nov 29, 2019
Information on entry into European phase
Search/Exam
Feb 15, 2019
Jan 24, 2019
Copy of the international search report
Search/Exam
Jan 24, 2019
Copy of the international search report
Search/Exam
Jan 24, 2019
Published international application - A1
Search/Exam
Sep 18, 2018
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(Electronic) Receipt
PCTRO
Jul 13, 2018
Abstract
PCTRO
Jul 13, 2018
Claims
PCTRO
Jul 13, 2018
Description
PCTRO
Jul 13, 2018
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Drawings
PCTRO
Jul 13, 2018