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The patent EP2025812 was granted to Wirtgen on May 10, 2017. The application was filed on Jun 26, 2008 under application number EP08159106A. 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 |
|---|---|---|---|
| CATERPILLAR | Feb 12, 2018 | MODIANO | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102005058102 |
| DESCRIPTION | DE3528038 |
| DESCRIPTION | US5474397 |
| DESCRIPTION | US5505598 |
| OPPOSITION | DE102005058102 |
| OPPOSITION | DE3528038 |
| OPPOSITION | US5474397 |
| OPPOSITION | US5505598 |
| OPPOSITION | WO2004081289 |
| SEARCH | DE20011942U |
| SEARCH | DE3405473 |
| SEARCH | EP1408158 |
| SEARCH | US4041623 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Nov 27, 2020
(Electronic) Receipt
Appeal
Nov 27, 2020
(Electronic) Receipt
Appeal
Nov 27, 2020
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Nov 27, 2020
Reply to appeal
Appeal
Nov 27, 2020
Reply to appeal
Appeal
Jul 17, 2020
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Jul 13, 2020
(Electronic) Receipt
Appeal
Jul 13, 2020
(Electronic) Receipt
Appeal
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Jun 5, 2020
Jun 2, 2020
(Electronic) Receipt
Appeal
Jun 2, 2020
Jun 2, 2020
Notice of appeal
Appeal
May 26, 2020
May 13, 2020
(Electronic) Receipt
Appeal
May 13, 2020
May 13, 2020
Notice of appeal
Appeal
Apr 29, 2020
Mar 9, 2020
Mar 5, 2020
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Means of redress
OPPO
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Sep 27, 2019
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Claims
OPPO
Sep 27, 2019
Claims
OPPO
Sep 27, 2019
Claims
OPPO
Sep 27, 2019
Claims
OPPO
Sep 27, 2019
Claims
OPPO
Sep 27, 2019
Claims
OPPO
Sep 27, 2019
Claims
OPPO
Sep 27, 2019
Claims
OPPO
Sep 27, 2019
Claims
OPPO
Sep 27, 2019
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May 22, 2018
May 9, 2018
Apr 10, 2018
Mar 5, 2018
Refund of fees
OPPO
Feb 21, 2018
Feb 21, 2018
Feb 19, 2018
Feb 12, 2018
Feb 12, 2018
Annex
OPPO
Feb 12, 2018
Feb 12, 2018
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May 10, 2017
Apr 13, 2017
Decision to grant a European patent
Search/Exam
Mar 30, 2017
(Electronic) Receipt
Search/Exam
Mar 30, 2017
Filing of the translations of the claims
Search/Exam
Mar 30, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 21, 2017
Mar 21, 2017
Mar 21, 2017
Intention to grant (signatures)
Search/Exam
Mar 21, 2017
Text intended for grant (clean copy)
Search/Exam
Mar 21, 2017
Mar 9, 2017
Feb 21, 2017
(Electronic) Receipt
Search/Exam
Feb 21, 2017
Amended claims with annotations
Search/Exam
Feb 21, 2017
Claims
Search/Exam
Feb 21, 2017
English translation of the claims
Search/Exam
Feb 21, 2017
French translation of claims
Search/Exam
Feb 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 21, 2017
Oct 26, 2016
Oct 26, 2016
Oct 26, 2016
Intention to grant (signatures)
Search/Exam
Oct 26, 2016
Text intended for grant (clean copy)
Search/Exam
Oct 26, 2016
May 9, 2016
Submission concerning representation
Search/Exam
Apr 22, 2016
Submission concerning representation
Search/Exam
Dec 19, 2015
Amended claims with annotations
Search/Exam
Dec 19, 2015
Amended description with annotations
Search/Exam
Dec 19, 2015
Claims
Search/Exam
Dec 19, 2015
Description
Search/Exam
Dec 19, 2015
Nov 6, 2015
Nov 4, 2015
Nov 3, 2015
Jun 24, 2015
Annex to the communication
Search/Exam
Jun 24, 2015
Communication from the Examining Division
Search/Exam
Nov 7, 2014
Amended claims with annotations
Search/Exam
Nov 7, 2014
Amended description with annotations
Search/Exam
Nov 7, 2014
Claims
Search/Exam
Nov 7, 2014
Description
Search/Exam
Nov 7, 2014
Nov 6, 2014
Amended claims with annotations
Search/Exam
Nov 6, 2014
Amended description with annotations
Search/Exam
Nov 6, 2014
Claims
Search/Exam
Nov 6, 2014
Description
Search/Exam
Nov 6, 2014
Jun 27, 2014
Annex to the communication
Search/Exam
Jun 27, 2014
Communication from the Examining Division
Search/Exam
Jun 16, 2014
Examination started
Search/Exam
Apr 1, 2014
Submission concerning representation
Search/Exam
Mar 20, 2014
Dec 27, 2013
Aug 2, 2013
General enquiry
Search/Exam
Apr 29, 2011
Letter concerning fees and payments
Search/Exam
Apr 29, 2011
Reply to Written Opinion prepared by the EPO
Search/Exam
Apr 27, 2011
Letter concerning fees and payments
Search/Exam
Apr 27, 2011
Payment of fees and costs
Search/Exam
Apr 27, 2011
Reply to Written Opinion prepared by the EPO
Search/Exam
Nov 2, 2010
Sep 24, 2010
Sep 24, 2010
European search opinion
Search/Exam
Sep 24, 2010
European search report
Search/Exam
May 21, 2010
General enquiry
Search/Exam
Mar 11, 2010
Mar 8, 2010
Submission concerning representation
Search/Exam
Jan 21, 2009
Notification of forthcoming publication
Search/Exam
Jul 9, 2008
Letter concerning the priority
Search/Exam
Jul 9, 2008
Priority document
Search/Exam
Jun 26, 2008
Abstract
Search/Exam
Jun 26, 2008
Jun 26, 2008
Claims
Search/Exam
Jun 26, 2008
Description
Search/Exam
Jun 26, 2008
Designation of inventor
Search/Exam
Jun 26, 2008
Designation of inventor
Search/Exam
Jun 26, 2008
Designation of inventor
Search/Exam
Jun 26, 2008
Drawings
Search/Exam
Jun 26, 2008
Request for grant of a European patent
Search/Exam