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The patent EP2853773 was granted to ZF Friedrichshafen on Sep 20, 2023. The application was filed on Aug 21, 2014 under application number EP14181713A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| SCHAEFFLER | Nov 28, 2018 | WALLINGER RICKER SCHLOTTER TOSTMANN | ADMISSIBLE |
| VALEO EMBRAYAGES | Nov 15, 2018 | VALEO POWERTRAIN SYSTEMS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102011010342 |
| DESCRIPTION | WO2012168604 |
| OPPOSITION | DD40068 |
| OPPOSITION | DE102008057647 |
| OPPOSITION | DE102009002481 |
| OPPOSITION | DE102009052055 |
| OPPOSITION | DE102010029464 |
| OPPOSITION | DE102010053548 |
| OPPOSITION | DE102011010342 |
| OPPOSITION | DE102011076790 |
| OPPOSITION | DE102011085983 |
| OPPOSITION | DE102011104415 |
| OPPOSITION | DE102012220278 |
| OPPOSITION | DE597091 |
| OPPOSITION | EP1795780 |
| OPPOSITION | EP2600030 |
| OPPOSITION | US2007205067 |
| OPPOSITION | US2007235277 |
| OPPOSITION | US2008121483 |
| OPPOSITION | WO2004018897 |
| OPPOSITION | WO2009067988 |
| OPPOSITION | WO2012142995 |
| OPPOSITION | WO2012146450 |
| OPPOSITION | WO2012168025 |
| OPPOSITION | WO2012168604 |
| OPPOSITION | WO2013056948 |
| OPPOSITION | WO2013083106 |
| SEARCH | DE102011010342 |
| SEARCH | EP2600030 |
| SEARCH | WO2012168604 |
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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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
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English translation of the claims
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Jan 18, 2018
Filing of the translations of the claims
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French translation of claims
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Amended claims with annotations
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Claims
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Annex to the communication
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Examination started
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Jun 29, 2016
CDS Clean up - amended applicant details
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Jun 21, 2016
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
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Amended description with annotations
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Letter accompanying subsequently filed items
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Notification of forthcoming publication
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European search opinion
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European search report
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Communication to designated inventor
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Letter concerning the priority
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Priority document
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Abstract
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Claims
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Description
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Designation of inventor
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Drawings
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Priority search results
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Aug 21, 2014
Request for grant of a European patent
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