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The patent EP3746322 was granted to DR ING HC F Porsche on Nov 16, 2022. The application was filed on Jan 29, 2019 under application number EP19706885A. 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 |
|---|---|---|---|
| ZF FRIEDRICHSHAFEN | Aug 9, 2023 | MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB MUC | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE102012211431 |
| EXAMINATION | US2016355100 |
| EXAMINATION | US2016368373 |
| EXAMINATION | US9540055 |
| EXAMINATION | WO2013004935 |
| INTERNATIONAL-SEARCH-REPORT | DE102012211431 |
| INTERNATIONAL-SEARCH-REPORT | US2016355100 |
| INTERNATIONAL-SEARCH-REPORT | US2016368373 |
| INTERNATIONAL-SEARCH-REPORT | US9540055 |
| INTERNATIONAL-SEARCH-REPORT | WO2013004935 |
| OPPOSITION | DE102014224978 |
| OPPOSITION | DE102015016786 |
| OPPOSITION | DE102015213857 |
| OPPOSITION | DE102018205316 |
| OPPOSITION | EP3248821 |
| OPPOSITION | US2007044938 |
| OPPOSITION | US4723596 |
| OPPOSITION | US9030063 |
| OPPOSITION | WO2017223232 |
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.
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Description
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OPPO
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Decision to grant a European patent
Search/Exam
Oct 10, 2022
(Electronic) Receipt
Search/Exam
Oct 10, 2022
English translation of the claims
Search/Exam
Oct 10, 2022
Filing of the translations of the claims
Search/Exam
Oct 10, 2022
French translation of claims
Search/Exam
Jun 10, 2022
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Intention to grant (signatures)
Search/Exam
Jun 10, 2022
Text intended for grant (clean copy)
Search/Exam
Jun 10, 2022
Apr 25, 2022
Communication from the Legal Division
Search/Exam
Apr 25, 2022
Apr 20, 2022
(Electronic) Receipt
Search/Exam
Apr 20, 2022
Amended claims with annotations
Search/Exam
Apr 20, 2022
Claims
Search/Exam
Apr 20, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 20, 2022
Apr 19, 2022
(Electronic) Receipt
Search/Exam
Apr 19, 2022
Annexes in respect of a client data request
Search/Exam
Apr 19, 2022
Annexes in respect of a client data request
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Annexes in respect of a client data request
Search/Exam
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Annexes in respect of a client data request
Search/Exam
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Annexes in respect of a client data request
Search/Exam
Apr 19, 2022
Letter concerning the grant and printing fee
Search/Exam
Apr 19, 2022
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Translation of the claims
Search/Exam
Apr 19, 2022
Translation of the claims
Search/Exam
Jan 27, 2022
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Intention to grant (signatures)
Search/Exam
Jan 27, 2022
Text intended for grant (clean copy)
Search/Exam
Jan 27, 2022
Dec 14, 2021
Examination started
Search/Exam
Jun 10, 2021
(Electronic) Receipt
Search/Exam
Jun 10, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 10, 2021
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(Electronic) Receipt
Search/Exam
Apr 23, 2021
Annexes in respect of a client data request
Search/Exam
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Annexes in respect of a client data request
Search/Exam
Apr 23, 2021
Annexes in respect of a client data request
Search/Exam
Apr 23, 2021
Annexes in respect of a client data request
Search/Exam
Apr 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 23, 2021
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(Electronic) Receipt
Search/Exam
Feb 5, 2021
Annexes in respect of a client data request
Search/Exam
Feb 5, 2021
Annexes in respect of a client data request
Search/Exam
Feb 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 5, 2021
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Sep 15, 2020
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Communication to designated inventor
Search/Exam
Sep 11, 2020
Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Sep 11, 2020
Communication to designated inventor
Search/Exam
Aug 28, 2020
(Electronic) Receipt
Search/Exam
Aug 28, 2020
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Amended claims with annotations
Search/Exam
Aug 28, 2020
Amendments received before examination
Search/Exam
Aug 28, 2020
Request for entry into the European phase
Search/Exam
Aug 17, 2020
Jun 5, 2020
Information on entry into European phase
Search/Exam
Oct 15, 2019
(Electronic) Receipt
PCTRO
Oct 15, 2019
Sep 19, 2019
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Notification of the recording of a change
Search/Exam
Aug 19, 2019
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(Electronic) Receipt
PCTRO
Aug 9, 2019
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Copy of the international search report
Search/Exam
Aug 1, 2019
Copy of the international search report
Search/Exam
Aug 1, 2019
Published international application - A1
Search/Exam
Jul 17, 2019
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ISR: cited documents
PCTISA
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Jan 29, 2019
(Electronic) Receipt
PCTRO
Jan 29, 2019
Abstract
PCTRO
Jan 29, 2019
Claims
PCTRO
Jan 29, 2019
Description
PCTRO
Jan 29, 2019
Jan 29, 2019
Drawings
PCTRO
Jan 29, 2019