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The patent EP2455479 was granted to Enza Zaden Beheer on Aug 14, 2024. The application was filed on Jan 30, 2008 under application number EP12155898A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 18, 2018 | KROHN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0474857 |
| DESCRIPTION | WO9636697 |
| DESCRIPTION | WO9804586 |
| DESCRIPTION | WO9832325 |
| DESCRIPTION | WO9945125 |
| OPPOSITION | WO0078981 |
| OPPOSITION | WO2008092505 |
| OPPOSITION | WO2008092659 |
| OPPOSITION | WO2015106796 |
| SEARCH | WO0078981 |
| SEARCH | WO0161021 |
| SEARCH | WO2006032707 |
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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Jul 18, 2024
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Refund of fees
Appeal
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(Electronic) Receipt
Appeal
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Withdrawal of an appeal
Appeal
Feb 21, 2024
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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OPPO
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OPPO
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OPPO
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Oct 26, 2017
Sep 21, 2017
Decision to grant a European patent
Search/Exam
Sep 11, 2017
(Electronic) Receipt
Search/Exam
Sep 11, 2017
Filing of the translations of the claims
Search/Exam
Sep 11, 2017
French translation of claims
Search/Exam
Sep 11, 2017
German translation of the claims
Search/Exam
Jun 6, 2017
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Observations by third parties
Search/Exam
May 17, 2017
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Intention to grant (signatures)
Search/Exam
May 17, 2017
Text intended for grant (clean copy)
Search/Exam
May 17, 2017
Text intended for grant (sequence listing)
Search/Exam
May 17, 2017
Feb 28, 2017
(Electronic) Receipt
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Feb 28, 2017
Enquiry as to the processing of the file
Search/Exam
Feb 28, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 29, 2016
Advice of delivery
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Nov 24, 2016
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(Electronic) Receipt
Search/Exam
Oct 5, 2016
Amended description with annotations
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Oct 5, 2016
Description
Search/Exam
Oct 5, 2016
Letter accompanying subsequently filed items
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Advice of delivery
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May 31, 2016
Acknowledgement of a document
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May 31, 2016
Annex to the communication
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May 31, 2016
Summons to attend oral proceedings
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May 23, 2016
Preparation for oral proceedings
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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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(Electronic) Receipt
Search/Exam
Oct 6, 2015
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Annex to the communication
Search/Exam
Jun 10, 2015
Communication from the Examining Division
Search/Exam
Sep 8, 2014
Submission concerning representation
Search/Exam
Sep 5, 2014
Submission concerning representation
Search/Exam
Mar 20, 2014
Mar 10, 2014
(Electronic) Receipt
Search/Exam
Mar 10, 2014
Letter accompanying subsequently filed items
Search/Exam
Jan 9, 2014
Dec 27, 2013
(Electronic) Receipt
Search/Exam
Dec 27, 2013
Sep 3, 2013
Annex to the communication
Search/Exam
Sep 3, 2013
Communication from the Examining Division
Search/Exam
Jul 5, 2013
(Electronic) Receipt
Search/Exam
Jul 5, 2013
Letter accompanying subsequently filed items
Search/Exam
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Mar 25, 2013
Annex to the communication
Search/Exam
Mar 25, 2013
Communication from the Examining Division
Search/Exam
Nov 19, 2012
(Electronic) Receipt
Search/Exam
Nov 19, 2012
Nov 19, 2012
Amendments received before examination
Search/Exam
Nov 19, 2012
Letter accompanying subsequently filed items
Search/Exam
Nov 19, 2012
Jul 16, 2012
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Refund of fees
Search/Exam
Jun 13, 2012
(Electronic) Receipt
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Jun 13, 2012
Letter accompanying subsequently filed items
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Jun 12, 2012
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European search opinion
Search/Exam
Jun 12, 2012
European search report
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Apr 25, 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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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
Search/Exam
Feb 17, 2012
Converted Sequence Listing
Search/Exam
Feb 17, 2012
Description
Search/Exam
Feb 17, 2012
Designation of inventor
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Feb 17, 2012
Designation of inventor
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Feb 17, 2012
Drawings
Search/Exam
Feb 17, 2012
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Submission concerning representation
Search/Exam
Jan 28, 2009
Priority document
Search/Exam