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The patent EP2981594 was granted to UPM Kymmene on Nov 15, 2017. The application was filed on Mar 20, 2014 under application number EP14711966A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| POLSKI KONCERN NAFTOWY ORLEN | Aug 3, 2018 | LAZEWSKI | - |
| NESTE OYJ | Jun 21, 2018 | ZACCO DENMARK | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2009300970 |
| INTERNATIONAL-SEARCH-REPORT | US2011098494 |
| INTERNATIONAL-SEARCH-REPORT | US2012260565 |
| INTERNATIONAL-SEARCH-REPORT | US5705722 |
| INTERNATIONAL-SEARCH-REPORT | WO2008101945 |
| OPPOSITION | EP1398364 |
| OPPOSITION | FI20125422L |
| OPPOSITION | US2012260565 |
| OPPOSITION | US7691159 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Dec 7, 2022
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Nov 24, 2022
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(Electronic) Receipt
Appeal
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Oct 22, 2020
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(Electronic) Receipt
Appeal
Oct 19, 2020
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Oct 19, 2020
Reply to appeal
Appeal
Jun 16, 2020
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Jun 10, 2020
(Electronic) Receipt
Appeal
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May 29, 2020
(Electronic) Receipt
Appeal
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Claims
Appeal
May 29, 2020
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Mar 20, 2020
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Mar 10, 2020
(Electronic) Receipt
Appeal
Mar 10, 2020
Mar 10, 2020
Notice of appeal
Appeal
Feb 4, 2020
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Means of redress
OPPO
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Claims
OPPO
Sep 26, 2019
Claims
OPPO
Sep 26, 2019
Claims
OPPO
Sep 26, 2019
Claims
OPPO
Sep 26, 2019
Claims
OPPO
Sep 26, 2019
Claims
OPPO
Sep 26, 2019
Claims
OPPO
Sep 26, 2019
Claims
OPPO
Sep 26, 2019
Claims
OPPO
Sep 26, 2019
Claims
OPPO
Sep 26, 2019
Claims
OPPO
Sep 26, 2019
Claims
OPPO
Sep 26, 2019
Claims
OPPO
Sep 26, 2019
Claims
OPPO
Sep 26, 2019
Claims
OPPO
Sep 26, 2019
Claims
OPPO
Sep 26, 2019
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OPPO
Jan 3, 2019
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Decision to grant a European patent
Search/Exam
Oct 12, 2017
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Filing of the translations of the claims
Search/Exam
Oct 2, 2017
French translation of claims
Search/Exam
Oct 2, 2017
German translation of the claims
Search/Exam
Oct 2, 2017
Payment of fees and costs
Search/Exam
Jun 2, 2017
Jun 2, 2017
Jun 2, 2017
Intention to grant (signatures)
Search/Exam
Jun 2, 2017
Text intended for grant (clean copy)
Search/Exam
Jun 2, 2017
May 22, 2017
Apr 18, 2017
(Electronic) Receipt
Search/Exam
Apr 18, 2017
Amended description with annotations
Search/Exam
Apr 18, 2017
Description
Search/Exam
Apr 18, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 18, 2017
Feb 24, 2017
Feb 24, 2017
Feb 24, 2017
Intention to grant (signatures)
Search/Exam
Feb 24, 2017
Text intended for grant (clean copy)
Search/Exam
Feb 24, 2017
Dec 5, 2016
Examination started
Search/Exam
Jul 22, 2016
(Electronic) Receipt
Search/Exam
Jul 22, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 22, 2016
Priority search results
Search/Exam
Jul 22, 2016
Jun 29, 2016
May 18, 2016
(Electronic) Receipt
Search/Exam
May 18, 2016
May 18, 2016
Amendments received before examination
Search/Exam
May 18, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2016
Nov 10, 2015
Nov 6, 2015
Communication to designated inventor
Search/Exam
Nov 6, 2015
Communication to designated inventor
Search/Exam
Nov 6, 2015
Communication to designated inventor
Search/Exam
Nov 6, 2015
Communication to designated inventor
Search/Exam
Oct 13, 2015
Sep 2, 2015
(Electronic) Receipt
Search/Exam
Sep 2, 2015
Request for entry into the European phase
Search/Exam
Aug 14, 2015
Information on entry into European phase
Search/Exam
Jul 7, 2015
Jul 7, 2015
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Mar 24, 2015
Written opinion
PCT2
Mar 24, 2015
Mar 24, 2015
Mar 10, 2015
Notification of election of EPO
Search/Exam
Feb 3, 2015
Jan 28, 2015
Jan 28, 2015
Jan 28, 2015
PCT demand form
PCT2
Jan 28, 2015
Jan 28, 2015
Nov 25, 2014
Nov 25, 2014
Notification of the recording of a change
Search/Exam
Oct 29, 2014
Oct 9, 2014
Copy of the international search report
Search/Exam
Oct 9, 2014
Published international application - A1
Search/Exam
Jun 24, 2014
Jun 24, 2014
Jun 24, 2014
May 7, 2014
May 7, 2014
Apr 23, 2014
Annex
PCTRO
Apr 23, 2014
Annex
PCTRO
Mar 20, 2014
(Electronic) Receipt
PCTRO
Mar 20, 2014
Abstract
PCTRO
Mar 20, 2014
Claims
PCTRO
Mar 20, 2014
Description
PCTRO
Mar 20, 2014
Drawings
PCTRO