The patent EP2575771 was granted to Micro Powders on Nov 18, 2020. The application was originally filed on May 13, 2011 under application number EP11787120A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number | 
|---|---|
| DESCRIPTION | JP2004026788 | 
| DESCRIPTION | JP2007197602 | 
| DESCRIPTION | US2004146540 | 
| DESCRIPTION | US3645904 | 
| DESCRIPTION | US4508634 | 
| DESCRIPTION | US4797468 | 
| DESCRIPTION | US6063366 | 
| DESCRIPTION | US6309655 | 
| DESCRIPTION | US7195770 | 
| DESCRIPTION | US7351418 | 
| DESCRIPTION | US7410636 | 
| DESCRIPTION | US7585922 | 
| DESCRIPTION | US7632873 | 
| DESCRIPTION | US7655702 | 
| DESCRIPTION | US7670999 | 
| INTERNATIONAL-SEARCH-REPORT | US2004146540 | 
| INTERNATIONAL-SEARCH-REPORT | US2006280801 | 
| INTERNATIONAL-SEARCH-REPORT | US2007078290 | 
| INTERNATIONAL-SEARCH-REPORT | US2010015240 | 
| INTERNATIONAL-SEARCH-REPORT | US6555156 | 
| OPPOSITION | DE10061932 | 
| OPPOSITION | DE2228699 | 
| OPPOSITION | JP2003073233 | 
| OPPOSITION | JP2004026788 | 
| OPPOSITION | JP2007197602 | 
| OPPOSITION | KR20080105249 | 
| OPPOSITION | US2002003179 | 
| OPPOSITION | US2003176633 | 
| OPPOSITION | US2004146540 | 
| OPPOSITION | US2005058712 | 
| OPPOSITION | US2010003300 | 
| OPPOSITION | US3816442 | 
| OPPOSITION | US5871771 | 
| OTHER | JP2003073233 | 
| OTHER | JP2004026788 | 
| OTHER | JP2006016402 | 
| OTHER | JP2007197602 | 
| SEARCH | JP2004026788 | 
| SEARCH | JP2007197602 | 
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 | 
|---|---|
| OPPOSITION | - "A Giudebook to particle size analysis", Horiba Brochure, (20140000), XP055240722 | 
| OPPOSITION | - Micro Powders, Inc., "EcoSoft®", Tecnical Data Sheet, (201503), XP055839993 | 
| OPPOSITION | - P.A. Riley, "Chapter 6 - Decorative cosmetics", P.A. Riley, Hilda Butler, POUCHER'S PERFUMES, COSMETICS AND SOAPS, 10th ed., (2000), pages 167 - 216, XP055839999 | 
Get a free citation report including examiner, opposition, and international search citations.
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Refund of fees
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Apr 15, 2021
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Decision to grant a European patent
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Oct 19, 2020
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Oct 8, 2020
(Electronic) Receipt
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Oct 8, 2020
Filing of the translations of the claims
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Oct 8, 2020
French translation of claims
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German translation of the claims
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Oct 8, 2020
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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(Electronic) Receipt
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Amended description with annotations
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Description
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Annex to the communication
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Letter accompanying subsequently filed items
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Amended claims with annotations
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Claims
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Letter accompanying subsequently filed items
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Nov 16, 2018
Advice of delivery
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Sep 26, 2018
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Annex to the communication
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Sep 26, 2018
Preparation for oral proceedings
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Sep 26, 2018
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May 30, 2018
(Electronic) Receipt
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May 30, 2018
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May 30, 2018
Claims
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May 30, 2018
Letter accompanying subsequently filed items
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Annex to the communication
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Nov 20, 2017
Communication from the Examining Division
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Amended claims with annotations
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Claims
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Dec 12, 2016
Claims
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Dec 12, 2016
Letter accompanying subsequently filed items
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Annex to the communication
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May 31, 2016
Communication from the Examining Division
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Apr 27, 2016
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Amended claims with annotations
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Feb 24, 2016
Letter accompanying subsequently filed items
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Aug 14, 2015
Jul 28, 2015
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European search opinion
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Jul 28, 2015
Supplementary European search report
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Jul 21, 2015
Search started
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Jul 3, 2015
May 29, 2015
Observations by third parties
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May 29, 2015
Patent document filed by a Third party
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May 29, 2015
Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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May 29, 2015
Patent document filed by a Third party
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Apr 23, 2015
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Apr 10, 2014
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Dec 16, 2013
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Communication to designated inventor
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Dec 13, 2012
Nov 26, 2012
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Amended claims with annotations
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Nov 26, 2012
Amendments received before examination
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Nov 26, 2012
Payment of fees and costs
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Nov 26, 2012
Request for entry into the European phase
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Oct 8, 2012
Information on entry into European phase
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Dec 22, 2011
Dec 1, 2011
Copy of the international search report
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Dec 1, 2011
Published international application - A1
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