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The patent EP3452323 was granted to Allison Transmission on Aug 18, 2021. The application was filed on May 8, 2017 under application number EP17793549A. 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 |
|---|---|---|---|
| SAF HOLLAND | May 17, 2022 | 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 |
|---|---|
| DESCRIPTION | US2002104704 |
| INTERNATIONAL-SEARCH-REPORT | US2005006164 |
| INTERNATIONAL-SEARCH-REPORT | US2006094552 |
| INTERNATIONAL-SEARCH-REPORT | US5352164 |
| INTERNATIONAL-SEARCH-REPORT | US6431298 |
| OPPOSITION | CN102310767 |
| OPPOSITION | CN103010016 |
| OPPOSITION | CN103158542 |
| OPPOSITION | CN103434390 |
| OPPOSITION | CN203237019U |
| OPPOSITION | CN2541230Y |
| OPPOSITION | CN2600273Y |
| OPPOSITION | DE102013108416 |
| OPPOSITION | DE202010001318U |
| OPPOSITION | DE3920934 |
| OPPOSITION | DE4217313 |
| OPPOSITION | EP1541895 |
| OPPOSITION | US2002104704 |
| OPPOSITION | US2005139401 |
| OPPOSITION | US2006094552 |
| OPPOSITION | US2011094807 |
| OPPOSITION | US2011108352 |
| OPPOSITION | US2013019707 |
| OPPOSITION | US2013333959 |
| OPPOSITION | US2047050 |
| OPPOSITION | US6978853 |
| OPPOSITION | WO2007131616 |
| SEARCH | CN103434390 |
| SEARCH | CN2600273Y |
| SEARCH | FR2995569 |
| SEARCH | US2002104704 |
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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Description
OPPO
Oct 28, 2022
Description
OPPO
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Description
OPPO
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Description
OPPO
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Description
OPPO
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OPPO
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Description
OPPO
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Aug 31, 2021
Jul 22, 2021
Decision to grant a European patent
Search/Exam
Jul 21, 2021
Filing of the translations of the claims
Search/Exam
Jul 21, 2021
Filing of the translations of the claims
Search/Exam
Jul 21, 2021
French translation of claims
Search/Exam
Jul 21, 2021
German translation of the claims
Search/Exam
Jul 9, 2021
Filing of the translations of the claims
Search/Exam
Jul 9, 2021
German translation of the claims
Search/Exam
Jul 8, 2021
Filing of the translations of the claims
Search/Exam
Jul 8, 2021
French translation of claims
Search/Exam
Mar 2, 2021
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Intention to grant (signatures)
Search/Exam
Mar 2, 2021
Text intended for grant (clean copy)
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Mar 2, 2021
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Examination started
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Nov 23, 2020
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Amended claims with annotations
Search/Exam
Nov 23, 2020
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Amendments received before examination
Search/Exam
Nov 2, 2020
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Amended claims with annotations
Search/Exam
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Search/Exam
Apr 21, 2020
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European search opinion
Search/Exam
Apr 1, 2020
Information on Search Strategy
Search/Exam
Apr 1, 2020
Supplementary European search report
Search/Exam
Nov 22, 2019
Search started
Search/Exam
Jul 12, 2019
Jun 24, 2019
Annexes in respect of a client data request
Search/Exam
Jun 24, 2019
Feb 18, 2019
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Amendments received before examination
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Feb 13, 2019
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Search/Exam
Dec 13, 2018
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Communication to designated inventor
Search/Exam
Nov 21, 2018
Oct 28, 2018
(Electronic) Receipt
Search/Exam
Oct 28, 2018
Request for entry into the European phase
Search/Exam
Sep 14, 2018
Information on entry into European phase
Search/Exam
Nov 27, 2017
Nov 9, 2017
Copy of the international search report
Search/Exam
Nov 9, 2017
Published international application - A1
Search/Exam