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The patent EP3286378 was granted to Kotkamills Group OYJ on Apr 10, 2019. The application was filed on Apr 19, 2016 under application number EP16724435A. 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 |
|---|---|---|---|
| MAYR MELNHOF KARTON | Jan 10, 2020 | HOFSTETTER | WITHDRAWN |
| METSA BOARD OYJ | Jan 9, 2020 | LAINE | ADMISSIBLE |
| STORA ENSO OYJ | Jan 8, 2020 | WALTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2004121080 |
| INTERNATIONAL-SEARCH-REPORT | US2012100340 |
| INTERNATIONAL-SEARCH-REPORT | US4301210 |
| INTERNATIONAL-SEARCH-REPORT | US6554899 |
| INTERNATIONAL-SEARCH-REPORT | WO02053838 |
| INTERNATIONAL-SEARCH-REPORT | WO2005028750 |
| INTERNATIONAL-SEARCH-REPORT | WO2006007239 |
| INTERNATIONAL-SEARCH-REPORT | WO2013189550 |
| INTERNATIONAL-SEARCH-REPORT | WO2014005697 |
| INTERNATIONAL-SEARCH-REPORT | WO2015032432 |
| INTERNATIONAL-SEARCH-REPORT | WO9605054 |
| OPPOSITION | EP0589213 |
| OPPOSITION | EP1416087 |
| OPPOSITION | US2003188839 |
| OPPOSITION | US2011111145 |
| OPPOSITION | US2011262745 |
| OPPOSITION | US2013101865 |
| OPPOSITION | US3839078 |
| OPPOSITION | US5654039 |
| OPPOSITION | US6548120 |
| OPPOSITION | WO0066510 |
| OPPOSITION | WO02053838 |
| OPPOSITION | WO02084029 |
| OPPOSITION | WO2005000940 |
| OPPOSITION | WO2009005947 |
| OPPOSITION | WO2009025739 |
| OPPOSITION | WO2009146023 |
| OPPOSITION | WO2010077203 |
| OPPOSITION | WO2010115597 |
| OPPOSITION | WO2012066308 |
| OPPOSITION | WO2014005697 |
| OTHER | EP1964971 |
| OTHER | US2002127361 |
| OTHER | US2004121079 |
| OTHER | US2010119714 |
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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(Electronic) Receipt
Appeal
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Appeal
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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
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Reply to appeal
Appeal
Oct 20, 2022
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(Electronic) Receipt
Appeal
Oct 14, 2022
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Aug 5, 2022
(Electronic) Receipt
Appeal
Aug 5, 2022
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Notice of appeal
Appeal
Aug 5, 2022
Notice of appeal
Appeal
Jun 10, 2022
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Means of redress
OPPO
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Apr 24, 2019
Mar 14, 2019
Decision to grant a European patent
Search/Exam
Feb 28, 2019
(Electronic) Receipt
Search/Exam
Feb 28, 2019
Filing of the translations of the claims
Search/Exam
Feb 28, 2019
French translation of claims
Search/Exam
Feb 28, 2019
German translation of the claims
Search/Exam
Feb 28, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 31, 2018
Oct 31, 2018
Oct 31, 2018
Intention to grant (signatures)
Search/Exam
Oct 31, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 31, 2018
Sep 14, 2018
Examination started
Search/Exam
Jul 19, 2018
(Electronic) Receipt
Search/Exam
Jul 19, 2018
Jul 19, 2018
Priority search results
Search/Exam
Jul 19, 2018
May 31, 2018
(Electronic) Receipt
Search/Exam
May 31, 2018
May 31, 2018
Amended claims with annotations
Search/Exam
May 31, 2018
May 31, 2018
Amended description with annotations
Search/Exam
May 31, 2018
Amendments received before examination
Search/Exam
May 31, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2018
Dec 1, 2017
Nov 24, 2017
Communication to designated inventor
Search/Exam
Nov 24, 2017
Communication to designated inventor
Search/Exam
Nov 9, 2017
(Electronic) Receipt
Search/Exam
Nov 9, 2017
Request for entry into the European phase
Search/Exam
Nov 6, 2017
Sep 1, 2017
Information on entry into European phase
Search/Exam
Nov 29, 2016
Nov 29, 2016
Notification of the recording of a change
Search/Exam
Nov 15, 2016
Oct 27, 2016
Copy of the international search report
Search/Exam
Oct 27, 2016
Published international application - A1
Search/Exam
Aug 3, 2016
ISR: cited documents
PCTISA
Aug 2, 2016
Aug 2, 2016
Aug 2, 2016
Jun 6, 2016
Apr 26, 2016
Abstract
PCTISA
Apr 26, 2016
Claims
PCTISA
Apr 26, 2016
Description
PCTISA
Apr 26, 2016
Drawings
PCTISA
Apr 26, 2016