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The patent EP1815737 was granted to Delaval Holding on Apr 25, 2018. The application was filed on Mar 12, 2003 under application number EP07007282A. 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 |
|---|---|---|---|
| OCTROOIBUREAU VAN DER LELY | Jan 22, 2019 | - | 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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Decision to grant a European patent
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Feb 21, 2018
(Electronic) Receipt
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Feb 21, 2018
French translation of claims
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Feb 21, 2018
German translation of the claims
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Feb 21, 2018
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Letter accompanying subsequently filed items
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Annex to the communication
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Advice of delivery
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(Electronic) Receipt
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Oct 2, 2017
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Letter accompanying subsequently filed items
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Advice of delivery
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Acknowledgement of a document
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Summons to attend oral proceedings
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Apr 21, 2017
(Electronic) Receipt
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Apr 21, 2017
Letter accompanying subsequently filed items
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Apr 21, 2017
Oral proceedings: Request for postponement
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Advice of delivery
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Dec 15, 2016
Acknowledgement of a document
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Dec 15, 2016
Annex to the communication
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Dec 15, 2016
Summons to attend oral proceedings
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Dec 8, 2016
Preparation for oral proceedings
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Aug 22, 2016
(Electronic) Receipt
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Aug 22, 2016
Letter accompanying subsequently filed items
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Aug 22, 2016
Apr 25, 2016
Annex to the communication
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Apr 25, 2016
Communication from the Examining Division
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Dec 10, 2015
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Sep 25, 2015
(Electronic) Receipt
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Sep 25, 2015
Amended claims with annotations
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Sep 25, 2015
Amended description with annotations
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Sep 25, 2015
Claims
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Sep 25, 2015
Description
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Sep 25, 2015
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Apr 22, 2015
Letter accompanying subsequently filed items
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Apr 22, 2015
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Annex to the communication
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Apr 15, 2015
Communication from the Examining Division
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Apr 9, 2015
Examination started
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Oct 17, 2013
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Refund of fees
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Mar 1, 2008
Amendments received before examination
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Feb 28, 2008
Letter accompanying subsequently filed items
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Sep 3, 2007
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European search opinion
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Jul 31, 2007
European search report
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Jul 11, 2007
Notification of forthcoming publication
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Jun 27, 2007
Refund of fees
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Jun 27, 2007
Refund of fees
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Apr 7, 2007
Abstract
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Apr 7, 2007
Claims
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Apr 7, 2007
Description
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Apr 7, 2007
Designation of inventor
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Apr 7, 2007
Drawings
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Apr 7, 2007
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