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The patent EP3126297 was granted to UPM Kymmene on May 9, 2018. The application was filed on Mar 30, 2015 under application number EP15717530A. 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 |
|---|---|---|---|
| METSA FIBRE | Feb 7, 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 | US2007092422 |
| INTERNATIONAL-SEARCH-REPORT | US5401362 |
| INTERNATIONAL-SEARCH-REPORT | US6830696 |
| INTERNATIONAL-SEARCH-REPORT | WO2015001185 |
| OPPOSITION | US3453174 |
| OPPOSITION | US4017388 |
| OPPOSITION | US5401362 |
| OPPOSITION | US5670020 |
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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Jul 7, 2020
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Means of redress
OPPO
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Claims
OPPO
Dec 11, 2019
Claims
OPPO
Dec 11, 2019
Claims
OPPO
Dec 11, 2019
Claims
OPPO
Dec 11, 2019
Claims
OPPO
Dec 11, 2019
Claims
OPPO
Dec 11, 2019
Claims
OPPO
Dec 11, 2019
Claims
OPPO
Dec 11, 2019
Claims
OPPO
Dec 11, 2019
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Claims
OPPO
Jun 19, 2019
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May 22, 2018
Apr 12, 2018
Decision to grant a European patent
Search/Exam
Feb 27, 2018
(Electronic) Receipt
Search/Exam
Feb 27, 2018
Filing of the translations of the claims
Search/Exam
Feb 27, 2018
French translation of claims
Search/Exam
Feb 27, 2018
German translation of the claims
Search/Exam
Feb 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 22, 2017
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Intention to grant (signatures)
Search/Exam
Nov 22, 2017
Text intended for grant (clean copy)
Search/Exam
Nov 22, 2017
Sep 8, 2017
Examination started
Search/Exam
May 24, 2017
Refund of fees
Search/Exam
May 17, 2017
(Electronic) Receipt
Search/Exam
May 17, 2017
May 17, 2017
Amended claims with annotations
Search/Exam
May 17, 2017
Amendments received before examination
Search/Exam
May 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 11, 2017
Nov 11, 2016
Nov 9, 2016
Communication to designated inventor
Search/Exam
Nov 9, 2016
Communication to designated inventor
Search/Exam
Nov 9, 2016
Communication to designated inventor
Search/Exam
Oct 26, 2016
(Electronic) Receipt
Search/Exam
Oct 26, 2016
Priority search results
Search/Exam
Oct 26, 2016
Request for entry into the European phase
Search/Exam
Oct 17, 2016
Aug 12, 2016
Information on entry into European phase
Search/Exam
Oct 28, 2015
Oct 8, 2015
Copy of the international search report
Search/Exam
Oct 8, 2015
Published international application - A1
Search/Exam
Jun 22, 2015
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May 18, 2015
Mar 30, 2015
Abstract
PCTISA
Mar 30, 2015
Claims
PCTISA
Mar 30, 2015
Description
PCTISA
Mar 30, 2015
Drawings
PCTISA