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The patent EP2885458 was granted to Stora Enso OYJ on Apr 25, 2018. The application was filed on Aug 16, 2013 under application number EP13830431A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| FIBERLEAN | Jan 25, 2019 | RUSSELL | ADMISSIBLE |
| BILLERUDKORSNAS | Jan 25, 2019 | KRANSELL & WENNBORG KB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE2628221 |
| DESCRIPTION | US2012135506 |
| DESCRIPTION | US4481076 |
| DESCRIPTION | US4481077 |
| DESCRIPTION | US6231657 |
| DESCRIPTION | US6602994 |
| DESCRIPTION | WO2007001229 |
| INTERNATIONAL-SEARCH-REPORT | US2012135506 |
| INTERNATIONAL-SEARCH-REPORT | US4481077 |
| INTERNATIONAL-SEARCH-REPORT | WO2010116826 |
| INTERNATIONAL-SEARCH-REPORT | WO2012107642 |
| OPPOSITION | EP1316639 |
| OPPOSITION | US2005074542 |
| OPPOSITION | US2005194477 |
| OPPOSITION | US2008073043 |
| OPPOSITION | US2012135506 |
| OPPOSITION | US2012160433 |
| OPPOSITION | US2958433 |
| OPPOSITION | US3047453 |
| OPPOSITION | US3382140 |
| OPPOSITION | US4481077 |
| OPPOSITION | US7364639 |
| OPPOSITION | WO2007091942 |
| OPPOSITION | WO2010102802 |
| OPPOSITION | WO2011004301 |
| OPPOSITION | WO2011140643 |
| OPPOSITION | WO2011141877 |
| OPPOSITION | WO2012107642 |
| OPPOSITION | WO2013090272 |
| SEARCH | DE2628221 |
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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Description
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Means of redress
OPPO
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Means of redress
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OPPO
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Authorisation
OPPO
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May 7, 2018
Mar 29, 2018
Decision to grant a European patent
Search/Exam
Mar 16, 2018
(Electronic) Receipt
Search/Exam
Mar 16, 2018
Filing of the translations of the claims
Search/Exam
Mar 16, 2018
French translation of claims
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German translation of the claims
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Mar 16, 2018
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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Jan 30, 2018
Text intended for grant (clean copy)
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Jan 30, 2018
Aug 18, 2017
CDS Clean up - amended applicant details
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(Electronic) Receipt
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Jul 21, 2017
Amended description with annotations
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Jul 21, 2017
Description
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Jul 21, 2017
Letter accompanying subsequently filed items
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Jul 21, 2017
Mar 24, 2017
Annex to the communication
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Mar 24, 2017
Communication from the Examining Division
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Mar 20, 2017
Examination started
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Dec 30, 2016
Submission concerning representation
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Nov 28, 2016
Submission concerning representation
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Oct 7, 2016
(Electronic) Receipt
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Oct 7, 2016
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Amended claims with annotations
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Oct 7, 2016
Amendments received before examination
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Oct 7, 2016
Letter accompanying subsequently filed items
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European search opinion
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Mar 23, 2016
Information on Search Strategy
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Mar 23, 2016
Supplementary European search report
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Mar 15, 2016
Search started
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Sep 29, 2015
Sep 17, 2015
Submission concerning representation
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May 28, 2015
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Communication to designated inventor
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Apr 15, 2015
Communication to designated inventor
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Apr 15, 2015
Communication to designated inventor
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Apr 15, 2015
Communication to designated inventor
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Mar 12, 2015
(Electronic) Receipt
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Mar 12, 2015
Priority search results
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Mar 12, 2015
Request for entry into the European phase
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Mar 10, 2015
Jan 8, 2015
Information on entry into European phase
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Mar 18, 2014
Feb 27, 2014
Copy of the international search report
Search/Exam
Feb 27, 2014
Published international application - A1
Search/Exam