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The patent EP3715969 was granted to Wirtgen on Aug 24, 2022. The application was filed on Feb 12, 2020 under application number EP20156859A. 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 |
|---|---|---|---|
| BOMAG | May 24, 2023 | ZIMMERMANN & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2844804 |
| DESCRIPTION | WO2005003869 |
| OPPOSITION | DE102012000900 |
| OPPOSITION | DE102012206969 |
| OPPOSITION | DE102015009253 |
| OPPOSITION | EP1959056 |
| SEARCH | DE102012009000 |
| SEARCH | EP2720094 |
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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Decision to grant a European patent
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Jul 13, 2022
(Electronic) Receipt
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Jul 13, 2022
English translation of the claims
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Filing of the translations of the claims
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French translation of claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Amended description with annotations
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Examination started
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Mar 26, 2021
Reply to Written Opinion prepared by the EPO
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Amended description with annotations
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Sep 16, 2020
Amendments received before examination
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Sep 2, 2020
Notification of forthcoming publication
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Aug 7, 2020
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European search opinion
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Aug 7, 2020
European search report
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Aug 7, 2020
Information on Search Strategy
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Search started
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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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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Feb 12, 2020
Abstract
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Feb 12, 2020
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Claims
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Feb 12, 2020
Description
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Feb 12, 2020
Designation of inventor
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Drawings
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Feb 12, 2020
Priority search results
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Feb 12, 2020
Request for grant of a European patent
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