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The patent EP3040477 was granted to Wirtgen on Aug 8, 2018. The application was filed on Jun 4, 2012 under application number EP15196114A. 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 |
|---|---|---|---|
| CATERPILLAR | Apr 17, 2019 | KRAMER BARSKE SCHMIDTCHEN PATENTANWALTE PARTG MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102008008260 |
| OPPOSITION | DE9204614U |
| OPPOSITION | US6047227 |
| OPPOSITION | US6212862 |
| OPPOSITION | WO2012168186 |
| SEARCH | DE19756676 |
| SEARCH | DE9204614U |
| SEARCH | EP2119832 |
| SEARCH | JPH09125700 |
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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Aug 20, 2018
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Decision to grant a European patent
Search/Exam
Jun 27, 2018
(Electronic) Receipt
Search/Exam
Jun 27, 2018
English translation of the claims
Search/Exam
Jun 27, 2018
French translation of claims
Search/Exam
Jun 27, 2018
Letter accompanying subsequently filed items
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Intention to grant (signatures)
Search/Exam
Feb 23, 2018
Text intended for grant (clean copy)
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Feb 23, 2018
Nov 27, 2017
Examination started
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Dec 20, 2016
(Electronic) Receipt
Search/Exam
Dec 20, 2016
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Amended claims with annotations
Search/Exam
Dec 20, 2016
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Amended description with annotations
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Dec 20, 2016
Amendments received before examination
Search/Exam
Dec 20, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 25, 2016
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Refund of fees
Search/Exam
Jun 22, 2016
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European search opinion
Search/Exam
Jun 22, 2016
European search report
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Jun 22, 2016
Information on Search Strategy
Search/Exam
Jun 8, 2016
Notification of forthcoming publication
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May 30, 2016
Search started
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May 9, 2016
Submission concerning representation
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Apr 22, 2016
Submission concerning representation
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Feb 16, 2016
Claims
Search/Exam
Feb 16, 2016
Matter concerning the application
Search/Exam
Feb 12, 2016
Claims
Search/Exam
Feb 12, 2016
Matter concerning the application
Search/Exam
Jan 15, 2016
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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Dec 4, 2015
Invitation to file claims
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Nov 24, 2015
Abstract
Search/Exam
Nov 24, 2015
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Description
Search/Exam
Nov 24, 2015
Designation of inventor
Search/Exam
Nov 24, 2015
Drawings
Search/Exam
Nov 24, 2015
Request for grant of a European patent
Search/Exam
Oct 18, 2014
Priority search results
Search/Exam
Jan 3, 2013