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The patent EP2591657 was granted to Horsch Leeb Application Systems on Jun 28, 2017. The application was filed on Nov 8, 2011 under application number EP11188169A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| HERBERT DAMMANN | Mar 28, 2018 | - | ADMISSIBLE |
| TOPCON POSITIONING SYSTEMS | Mar 28, 2018 | KUHNEN & WACKER PATENT UND RECHTSANWALTSBURO PARTG MBB | ADMISSIBLE |
| HARDI | Mar 27, 2018 | LAVOIX | WITHDRAWN |
| AMAZONEN WERKE H DREYER | Mar 26, 2018 | GRUNECKER PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE1833453U |
| DESCRIPTION | DE3202569 |
| OPPOSITION | DE102007025751 |
| OPPOSITION | DE1833453U |
| OPPOSITION | DE202007011631U |
| OPPOSITION | DE3202569 |
| OPPOSITION | DE4140254 |
| OPPOSITION | EP0157592 |
| OPPOSITION | EP0193010 |
| OPPOSITION | EP0922385 |
| OPPOSITION | EP1444894 |
| OPPOSITION | EP2042276 |
| OPPOSITION | EP2064948 |
| OPPOSITION | EP2591657 |
| OPPOSITION | FR2270774 |
| OPPOSITION | FR2520264 |
| OPPOSITION | FR2562378 |
| OPPOSITION | FR2669804 |
| OPPOSITION | FR2779031 |
| OPPOSITION | JP2001204357 |
| OPPOSITION | JP2004089012 |
| OPPOSITION | JP2004194618 |
| OPPOSITION | US4522841 |
| OPPOSITION | WO0103503 |
| OPPOSITION | WO2004041446 |
| OTHER | EP1444894 |
| SEARCH | DE102007025751 |
| SEARCH | DE4140254 |
| SEARCH | EP0157592 |
| SEARCH | FR2270774 |
| SEARCH | FR2779031 |
| SEARCH | WO2004041446 |
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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English translation of the claims
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Text intended for grant (clean copy)
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Sep 14, 2016
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Aug 25, 2016
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Letter which had not been notified
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Communication from the Examining Division
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Jun 27, 2016
Letter which had not been notified
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Observations by third parties
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Mar 1, 2016
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Mar 1, 2016
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Mar 1, 2016
Letter accompanying subsequently filed items
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Mar 1, 2016
Dec 23, 2015
Annex to the communication
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Dec 23, 2015
Communication from the Examining Division
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Dec 17, 2015
Examination started
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Dec 9, 2015
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Dec 9, 2015
Letter accompanying subsequently filed items
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Citation filed by a third party
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Letter accompanying subsequently filed items
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Observations by third parties
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Jun 12, 2014
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Jun 12, 2014
General enquiry
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Jul 15, 2013
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Letter accompanying subsequently filed items
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Jun 12, 2013
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Submission concerning representation
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Apr 17, 2013
Notification of forthcoming publication
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Sep 25, 2012
(Electronic) Receipt
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Sep 25, 2012
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Amendments received before examination
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Sep 25, 2012
Letter accompanying subsequently filed items
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Jun 28, 2012
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Submission concerning representation
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Apr 20, 2012
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European search opinion
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Apr 20, 2012
European search report
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Nov 22, 2011
(Electronic) Receipt
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Nov 22, 2011
Designation of inventor
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Nov 22, 2011
Letter concerning the inventor
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Nov 8, 2011
Abstract
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Nov 8, 2011
Nov 8, 2011
Claims
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Nov 8, 2011
Description
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Nov 8, 2011
Designation of inventor
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Nov 8, 2011
Drawings
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Nov 8, 2011
Request for grant of a European patent
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