The patent EP2651652 was granted to Newpage on Oct 10, 2018. The application was originally filed on Dec 15, 2011 under application number EP11808458A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 | US2009131570 |
| DESCRIPTION | US6677386 |
| DESCRIPTION | US6825252 |
| DESCRIPTION | US6921430 |
| DESCRIPTION | US7285586 |
| DESCRIPTION | US7452592 |
| DESCRIPTION | WO2010065750 |
| EXAMINATION | WO2012112745 |
| INTERNATIONAL-SEARCH-REPORT | US2008008846 |
| INTERNATIONAL-SEARCH-REPORT | US2009074995 |
| INTERNATIONAL-SEARCH-REPORT | US2009131570 |
| INTERNATIONAL-SEARCH-REPORT | WO2010114560 |
| INTERNATIONAL-SEARCH-REPORT | WO2011019866 |
| OPPOSITION | US2008008846 |
| OPPOSITION | US2009074995 |
| OPPOSITION | US2009131570 |
| OPPOSITION | US6582510 |
| OPPOSITION | WO03046038 |
| OPPOSITION | WO2010114560 |
| OPPOSITION | WO2011019866 |
| OPPOSITION | WO2012012724 |
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 | - Anonymous, "Anti-Terra-250", BYK, (20130101), pages 1 - 2, BYK, URL: https://www.byk.com/en/products/additives-by-name/anti-terra-250, (20221018), XP055972431 |
| OPPOSITION | - Anonymous, "Brief DISPERBYK-199 ", BYK, (20200305), pages 1 - 3, BYK, URL: https://www.byk.com/en/products/additives-by-name/disperbyk-199, (20221018), XP055972337 |
| OPPOSITION | - Anonymous, "Brief Product name Ant-Terra-205", BYK, (20180312), pages 1 - 3, XP055972436 |
| OPPOSITION | - Anonymous, "BRIEF product name DISPERBYK-2010 ", BYK, (20200312), pages 1 - 3, BYK, URL: https://www.byk.com/en/products/additives-by-name/disperbyk-2010, (20221018), XP055972331 |
| OPPOSITION | - Anonymous, "Carbosperse? K-XP228", Lubrizol, (20200101), pages 1 - 2, XP055972459 |
| OPPOSITION | - Anonymous, "DISPERBYK-2010 Product data 02/2014 Issue", BYK, (20140201), pages 1 - 2, BYK, URL: https://mychem.ir/uploads/tds/18875.pdf, (20221018), XP055972330 |
| OPPOSITION | - Anonymous, "Product Data Sheet DISPERBYK-199", BYK, (20210801), pages 1 - 4, BYK, URL: https://www.byk.com/en/products/additives-by-name/disperbyk-199, (20221018), XP055972347 |
| OPPOSITION | - Anonymous, "ROPAQUE™ AF-1055 Hollow Sphere Pigment", DOW, (20130401), pages 1 - 2, XP055972448 |
| OPPOSITION | - Anonymous, "ROPAQUE™ AF-1353 Hollow Sphere Pigment", DOW, (20110401), pages 1 - 2, XP055972451 |
Get a free citation report including examiner, opposition, and international search citations.
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Nov 14, 2018
Annexes in respect of a client data request
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Nov 14, 2018
Letter accompanying subsequently filed items
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Nov 14, 2018
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Decision to grant a European patent
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Aug 30, 2018
(Electronic) Receipt
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Aug 30, 2018
Filing of the translations of the claims
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Aug 30, 2018
French translation of claims
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Aug 30, 2018
German translation of the claims
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Aug 30, 2018
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jul 6, 2018
Text intended for grant (clean copy)
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Jul 6, 2018
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Nov 21, 2017
Amended claims with annotations
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Nov 21, 2017
Claims
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Nov 21, 2017
Description
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Nov 21, 2017
Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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Apr 20, 2017
Submission concerning representation
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Nov 30, 2016
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Nov 30, 2016
Letter accompanying subsequently filed items
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Letter concerning fees and payments
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Aug 9, 2016
(Electronic) Receipt
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Aug 9, 2016
Amended claims with annotations
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Amended description with annotations
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Claims
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Aug 9, 2016
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Aug 9, 2016
Letter accompanying subsequently filed items
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Aug 9, 2016
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Jun 29, 2016
(Electronic) Receipt
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Jun 29, 2016
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Annex to the communication
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Mar 2, 2016
Communication from the Examining Division
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Dec 29, 2015
(Electronic) Receipt
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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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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Annex to the communication
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Jul 13, 2015
Communication from the Examining Division
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Jul 6, 2015
Examination started
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Jan 24, 2014
(Electronic) Receipt
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Jan 24, 2014
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Amended claims with annotations
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Jan 24, 2014
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Amended description with annotations
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Jan 24, 2014
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Jan 24, 2014
Letter accompanying subsequently filed items
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Jul 3, 2013
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(Electronic) Receipt
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Jun 3, 2013
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Amended claims with annotations
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Jun 3, 2013
Request for entry into the European phase
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Apr 26, 2013
Information on entry into European phase
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Jul 10, 2012
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Copy of the international search report
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Jun 21, 2012
Published international application - A1
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Abstract
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Claims
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Description
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