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The patent EP3099485 was granted to UPM Kymmene Wood on Oct 3, 2018. The application was filed on Jan 28, 2014 under application number EP14880824A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| STORA ENSO OYJ | Jun 27, 2019 | STEINRUD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US5173527 |
| INTERNATIONAL-SEARCH-REPORT | US5202403 |
| INTERNATIONAL-SEARCH-REPORT | WO2013144453 |
| OPPOSITION | WO2013144453 |
| SEARCH | GB1504451 |
| SEARCH | US2005257888 |
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.
Date
Description
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Means of redress
OPPO
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Jan 17, 2019
(Electronic) Receipt
Search/Exam
Jan 17, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 17, 2019
Letter concerning the inventor
Search/Exam
Oct 15, 2018
Sep 6, 2018
Decision to grant a European patent
Search/Exam
Sep 3, 2018
Aug 27, 2018
(Electronic) Receipt
Search/Exam
Aug 27, 2018
Annexes in respect of a client data request
Search/Exam
Aug 27, 2018
Filing of the translations of the claims
Search/Exam
Aug 27, 2018
French translation of claims
Search/Exam
Aug 27, 2018
German translation of the claims
Search/Exam
Aug 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 30, 2018
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Intention to grant (signatures)
Search/Exam
Apr 30, 2018
Text intended for grant (clean copy)
Search/Exam
Apr 30, 2018
Mar 29, 2018
Examination started
Search/Exam
Oct 23, 2017
(Electronic) Receipt
Search/Exam
Oct 23, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 23, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
Aug 16, 2017
Jul 27, 2017
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European search opinion
Search/Exam
Jul 27, 2017
Information on Search Strategy
Search/Exam
Jul 27, 2017
Supplementary European search report
Search/Exam
Jul 18, 2017
Search started
Search/Exam
Nov 9, 2016
Sep 6, 2016
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Communication to designated inventor
Search/Exam
Sep 2, 2016
Communication to designated inventor
Search/Exam
Aug 15, 2016
Jun 22, 2016
(Electronic) Receipt
Search/Exam
Jun 22, 2016
Jun 22, 2016
Amended claims with annotations
Search/Exam
Jun 22, 2016
Request for entry into the European phase
Search/Exam
Jun 10, 2016
Information on entry into European phase
Search/Exam
Aug 6, 2015
Copy of the international search report
Search/Exam
Aug 6, 2015
Published international application - A1
Search/Exam