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The patent EP3049568 was granted to UPM Kymmene on Feb 24, 2021. The application was filed on Sep 22, 2014 under application number EP14781613A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| STORA ENSO OYJ | May 21, 2019 | LAINE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2011074528 |
| INTERNATIONAL-SEARCH-REPORT | WO2012098296 |
| INTERNATIONAL-SEARCH-REPORT | WO2013072550 |
| INTERNATIONAL-SEARCH-REPORT | WO2014029916 |
| OPPOSITION | EP0348366 |
| OPPOSITION | US2013180680 |
| OPPOSITION | WO2013072550 |
| OPPOSITION | WO2014029916 |
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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Description
OPPO
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Sep 3, 2018
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Decision to grant a European patent
Search/Exam
Jul 16, 2018
(Electronic) Receipt
Search/Exam
Jul 16, 2018
Filing of the translations of the claims
Search/Exam
Jul 16, 2018
French translation of claims
Search/Exam
Jul 16, 2018
German translation of the claims
Search/Exam
Jul 16, 2018
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Mar 22, 2018
Text intended for grant (clean copy)
Search/Exam
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Examination started
Search/Exam
Dec 21, 2016
Submission concerning representation
Search/Exam
Nov 1, 2016
(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
Nov 1, 2016
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Amended description with annotations
Search/Exam
Nov 1, 2016
Amendments received before examination
Search/Exam
Nov 1, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 6, 2016
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Communication to designated inventor
Search/Exam
May 2, 2016
Communication to designated inventor
Search/Exam
Apr 12, 2016
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(Electronic) Receipt
Search/Exam
Mar 2, 2016
Priority search results
Search/Exam
Mar 2, 2016
Request for entry into the European phase
Search/Exam
Feb 5, 2016
Information on entry into European phase
Search/Exam
Oct 20, 2015
Notification of the recording of a change
Search/Exam
Apr 21, 2015
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Copy of the international search report
Search/Exam
Apr 2, 2015
Published international application - A1
Search/Exam
Jan 7, 2015
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Abstract
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Claims
PCTISA
Sep 22, 2014
Description
PCTISA
Sep 22, 2014
Drawings
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