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The patent EP2455474 was granted to Enza Zaden Beheer on Nov 1, 2017. The application was filed on Jan 30, 2008 under application number EP12155887A. 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 |
|---|---|---|---|
| RIJK ZWAAN ZAADTEELT EN ZAADHANDEL | Jul 30, 2018 | KROHN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Nov 10, 2017
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Decision to grant a European patent
Search/Exam
Sep 25, 2017
(Electronic) Receipt
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Sep 25, 2017
French translation of claims
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Sep 25, 2017
German translation of the claims
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Sep 25, 2017
Letter accompanying subsequently filed items
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Jun 1, 2017
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Intention to grant (signatures)
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Jun 1, 2017
Text intended for grant (clean copy)
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Jun 1, 2017
Text intended for grant (sequence listing)
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Jun 1, 2017
Mar 17, 2017
(Electronic) Receipt
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Mar 17, 2017
Amended description with annotations
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Mar 17, 2017
Claims
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Mar 17, 2017
Description
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Mar 17, 2017
Letter accompanying subsequently filed items
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Mar 17, 2017
Mar 8, 2017
Annex to the communication
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Mar 8, 2017
Communication from the Examining Division
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Feb 28, 2017
(Electronic) Receipt
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Feb 28, 2017
Enquiry as to the processing of the file
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Feb 28, 2017
Letter accompanying subsequently filed items
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Feb 15, 2017
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Observations by third parties
Search/Exam
Nov 29, 2016
Advice of delivery
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Nov 24, 2016
Oct 10, 2016
(Electronic) Receipt
Search/Exam
Oct 10, 2016
Amended description with annotations
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Oct 10, 2016
Annex
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Oct 10, 2016
Description
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Oct 10, 2016
Letter accompanying subsequently filed items
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Oct 10, 2016
Jul 15, 2016
Advice of delivery
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Jul 15, 2016
Advice of delivery
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Jul 15, 2016
Advice of delivery
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Jul 13, 2016
Acknowledgement of a document
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Jul 13, 2016
Preparation for oral proceedings
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Jul 13, 2016
Summons to attend oral proceedings
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Jul 11, 2016
Annex to the communication
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Dec 8, 2015
(Electronic) Receipt
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Dec 8, 2015
Letter accompanying subsequently filed items
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Dec 8, 2015
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Oct 6, 2015
(Electronic) Receipt
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Oct 6, 2015
Letter accompanying subsequently filed items
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Jun 10, 2015
Annex to the communication
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Jun 10, 2015
Communication from the Examining Division
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Sep 8, 2014
Submission concerning representation
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Sep 5, 2014
Submission concerning representation
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Mar 20, 2014
Mar 10, 2014
(Electronic) Receipt
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Mar 10, 2014
Letter accompanying subsequently filed items
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Jan 8, 2014
Dec 27, 2013
(Electronic) Receipt
Search/Exam
Dec 27, 2013
Sep 2, 2013
Annex to the communication
Search/Exam
Sep 2, 2013
Communication from the Examining Division
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Jul 4, 2013
(Electronic) Receipt
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Jul 4, 2013
Letter accompanying subsequently filed items
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Jul 4, 2013
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Annex to the communication
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Mar 25, 2013
Communication from the Examining Division
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Nov 14, 2012
(Electronic) Receipt
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Nov 14, 2012
Annex
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Nov 14, 2012
Letter accompanying subsequently filed items
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Nov 14, 2012
Reply to Written Opinion prepared by the EPO
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Jun 13, 2012
(Electronic) Receipt
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Jun 13, 2012
Letter accompanying subsequently filed items
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May 29, 2012
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Notification of forthcoming publication
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Apr 19, 2012
Letter which had not been notified
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Apr 18, 2012
Refund of fees
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Mar 27, 2012
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European search opinion
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Mar 27, 2012
European search report
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Mar 14, 2012
Priority search results copy provided by EPO
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Mar 13, 2012
(Electronic) Receipt
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Mar 13, 2012
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Mar 5, 2012
Feb 17, 2012
Abstract
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Feb 17, 2012
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Claims
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Feb 17, 2012
Converted Sequence Listing
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Feb 17, 2012
Description
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Feb 17, 2012
Designation of inventor
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Feb 17, 2012
Designation of inventor
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Feb 17, 2012
Drawings
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Feb 17, 2012
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Submission concerning representation
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Jan 28, 2009
Priority document
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