The patent EP1964544 was granted to Takasago on Aug 2, 2023. The application was originally filed on Feb 28, 2008 under application number EP08152107A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0018717 |
| DESCRIPTION | EP0200305 |
| DESCRIPTION | EP0251644 |
| DESCRIPTION | EP0392606 |
| DESCRIPTION | EP0459822 |
| DESCRIPTION | EP0573229 |
| DESCRIPTION | EP1009365 |
| DESCRIPTION | EP1066827 |
| DESCRIPTION | EP1141188 |
| DESCRIPTION | EP1246693 |
| DESCRIPTION | EP1287198 |
| DESCRIPTION | EP1361855 |
| DESCRIPTION | EP1510201 |
| DESCRIPTION | EP1657294 |
| DESCRIPTION | GB1464616 |
| DESCRIPTION | US2004021912 |
| DESCRIPTION | US2005008680 |
| DESCRIPTION | US2005085405 |
| DESCRIPTION | US2005119156 |
| DESCRIPTION | US2006110466 |
| DESCRIPTION | US3455838 |
| DESCRIPTION | US3971852 |
| DESCRIPTION | US4145184 |
| DESCRIPTION | US4234627 |
| DESCRIPTION | US4767547 |
| DESCRIPTION | US5297732 |
| DESCRIPTION | US5458810 |
| DESCRIPTION | US5460752 |
| DESCRIPTION | US5466802 |
| DESCRIPTION | US5470507 |
| DESCRIPTION | US5574179 |
| DESCRIPTION | US5618523 |
| DESCRIPTION | US5653997 |
| DESCRIPTION | US5661118 |
| DESCRIPTION | US5674832 |
| DESCRIPTION | US5731278 |
| DESCRIPTION | US5756436 |
| DESCRIPTION | US5759990 |
| DESCRIPTION | US5776443 |
| DESCRIPTION | US5837661 |
| DESCRIPTION | US5877145 |
| DESCRIPTION | US5916862 |
| DESCRIPTION | US5929022 |
| DESCRIPTION | US5932203 |
| DESCRIPTION | US5935561 |
| DESCRIPTION | US5968286 |
| DESCRIPTION | US6162423 |
| DESCRIPTION | US6261483 |
| DESCRIPTION | US6335315 |
| DESCRIPTION | US6806248 |
| DESCRIPTION | WO0004230 |
| DESCRIPTION | WO0153754 |
| DESCRIPTION | WO03051327 |
| DESCRIPTION | WO2006053615 |
| EXAMINATION | WO8900042 |
| OPPOSITION | EP0004732 |
| OPPOSITION | EP1661978 |
| OPPOSITION | US2003008802 |
| OPPOSITION | US2003064336 |
| OPPOSITION | US2005003975 |
| OPPOSITION | US2005063916 |
| OPPOSITION | US5676163 |
| OPPOSITION | US5780404 |
| OPPOSITION | US6086903 |
| OPPOSITION | US7041630 |
| OPPOSITION | WO0185892 |
| OPPOSITION | WO02074430 |
| OPPOSITION | WO8900042 |
| OPPOSITION | WO9715283 |
| OPPOSITION | WO9856888 |
| SEARCH | EP1504744 |
| SEARCH | EP1661978 |
| SEARCH | US2003008802 |
| SEARCH | US2005003975 |
| SEARCH | US5676163 |
| SEARCH | WO0027197 |
| SEARCH | WO02074430 |
| SEARCH | WO9715283 |
| SEARCH | WO9856888 |
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text |
|---|---|
| DESCRIPTION | - CONTACT DERMATITIS, (2004), vol. 50, pages 65 - 76 |
| DESCRIPTION | - IBID, (2003), vol. 49, pages 236 - 240 |
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Date
Description
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Jul 6, 2023
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Refund of fees
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(Electronic) Receipt
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Claims
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Notice of appeal
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Decision to grant a European patent
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(Electronic) Receipt
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Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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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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Sep 21, 2016
Amended claims with annotations
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Sep 21, 2016
Claims
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Letter accompanying subsequently filed items
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May 9, 2016
Advice of delivery
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(Electronic) Receipt
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Advice of delivery
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Letter accompanying subsequently filed items
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Apr 25, 2016
Acknowledgement of a document
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Annex to the communication
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Summons to attend oral proceedings
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Apr 18, 2016
Preparation for oral proceedings
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May 28, 2015
(Electronic) Receipt
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May 28, 2015
Amended claims with annotations
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May 28, 2015
Claims
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May 28, 2015
Letter accompanying subsequently filed items
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May 28, 2015
Mar 27, 2015
Mar 23, 2015
(Electronic) Receipt
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Mar 23, 2015
Letter accompanying subsequently filed items
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Mar 23, 2015
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Annex to the communication
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Nov 18, 2014
Communication from the Examining Division
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Sep 24, 2014
(Electronic) Receipt
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Letter accompanying subsequently filed items
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Nov 16, 2011
Amended claims with annotations
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Nov 16, 2011
Claims
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Letter accompanying subsequently filed items
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Jul 6, 2011
Annex to the communication
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Jul 6, 2011
Communication from the Examining Division
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(Electronic) Receipt
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Sep 17, 2009
Letter accompanying subsequently filed items
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Sep 15, 2009
(Electronic) Receipt
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Sep 15, 2009
Annex
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Sep 15, 2009
Claims
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Sep 15, 2009
Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Aug 6, 2009
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Communication from the Examining Division
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Mar 2, 2009
(Electronic) Receipt
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Mar 2, 2009
Letter accompanying subsequently filed items
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Sep 8, 2008
Aug 6, 2008
Notification of forthcoming publication
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Jul 7, 2008
Refund order search fee
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Jun 24, 2008
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European search opinion
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Jun 24, 2008
European search report
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Apr 2, 2008
Refund of fees
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Feb 28, 2008
Abstract
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Feb 28, 2008
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Claims
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Feb 28, 2008
Description
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Feb 28, 2008
Designation of inventor
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Designation of inventor
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Designation of inventor
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Letter concerning search matters
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Feb 28, 2008
Priority document
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Feb 28, 2008
Request for grant of a European patent
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