The patent EP2917402 was granted to Stora Enso OYJ on Jun 22, 2022. The application was originally filed on Nov 6, 2013 under application number EP13853320A. 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 |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0846703 |
| INTERNATIONAL-SEARCH-REPORT | JP2006064308 |
| INTERNATIONAL-SEARCH-REPORT | US4481076 |
| INTERNATIONAL-SEARCH-REPORT | US5731080 |
| INTERNATIONAL-SEARCH-REPORT | US6871744 |
| INTERNATIONAL-SEARCH-REPORT | WO2009103854 |
| INTERNATIONAL-SEARCH-REPORT | WO2011139749 |
| INTERNATIONAL-SEARCH-REPORT | WO2011141876 |
| OPPOSITION | EP0846703 |
| OPPOSITION | GB839569 |
| OPPOSITION | US5731080 |
| OPPOSITION | US5733461 |
| OPPOSITION | US5921479 |
| OPPOSITION | WO2011110744 |
| SEARCH | EP2287398 |
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 |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | - MISKIEL, F J ET AL., "Use of high amylose corn starch to improve the increase in paper strength attained by addition of microfibrilated cellulose", RESEARCH DISCLOSURE, HAMPSHIRE, GB, (19991201), vol. 428, no. 6, ISSN 0374-4353, XP007125106 |
| OPPOSITION | - EYHOLZER et al., "Preparation and characterization of water-redispersible nanofibrillated cellulose in powder form", Cellulose, (20100000), vol. 17, pages 19 - 30, XP055679103 |
Get a free citation report including examiner, opposition, and international search citations.
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Date
Description
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May 27, 2022
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Decision to grant a European patent
Search/Exam
Feb 11, 2019
(Electronic) Receipt
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Feb 11, 2019
Filing of the translations of the claims
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Feb 11, 2019
French translation of claims
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Feb 11, 2019
German translation of the claims
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Feb 11, 2019
Letter accompanying subsequently filed items
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Dec 12, 2018
Refund of fees
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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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Oct 25, 2018
Amended claims with annotations
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Oct 25, 2018
Claims
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Oct 25, 2018
French translation of claims
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Oct 25, 2018
German translation of the claims
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Oct 25, 2018
Letter accompanying subsequently filed items
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Oct 25, 2018
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Intention to grant (signatures)
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Jul 20, 2018
Text intended for grant (clean copy)
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Jul 20, 2018
Jun 13, 2018
(Electronic) Receipt
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Jun 13, 2018
Amended claims with annotations
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Jun 13, 2018
Amended description with annotations
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Jun 13, 2018
Claims
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Jun 13, 2018
Description
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Jun 13, 2018
Letter accompanying subsequently filed items
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Jun 13, 2018
May 17, 2018
Submission concerning representation
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Mar 14, 2018
Annex to the communication
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Mar 14, 2018
Communication from the Examining Division
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Mar 7, 2018
Examination started
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(Electronic) Receipt
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Jan 12, 2017
Letter accompanying subsequently filed items
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Jan 12, 2017
Letter concerning search matters
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Nov 21, 2016
Nov 3, 2016
(Electronic) Receipt
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Nov 3, 2016
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Amended description with annotations
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Nov 3, 2016
Amendments received before examination
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Nov 3, 2016
Letter accompanying subsequently filed items
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May 23, 2016
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European search opinion
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May 3, 2016
Information on Search Strategy
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May 3, 2016
Supplementary European search report
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Apr 22, 2016
Search started
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Dec 4, 2015
Nov 30, 2015
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Communication to designated inventor
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Jun 12, 2015
Communication to designated inventor
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Communication to designated inventor
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Jun 12, 2015
Communication to designated inventor
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Jun 12, 2015
Communication to designated inventor
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Jun 12, 2015
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Jun 12, 2015
Communication to designated inventor
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Jun 12, 2015
Communication to designated inventor
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Jun 4, 2015
(Electronic) Receipt
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Jun 4, 2015
Request for entry into the European phase
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May 27, 2015
Mar 20, 2015
Information on entry into European phase
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Jun 3, 2014
May 15, 2014
Copy of the international search report
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May 15, 2014
Published international application - A1
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