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The patent EP2536895 was granted to Metsliitto Osuuskunta on Aug 3, 2022. The application was filed on Feb 18, 2011 under application number EP11744324A. 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 |
|---|---|---|---|
| UPM PLYWOOD | Feb 3, 2020 | BERGGREN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE19603073 |
| INTERNATIONAL-SEARCH-REPORT | FR2872085 |
| INTERNATIONAL-SEARCH-REPORT | GB2191147 |
| INTERNATIONAL-SEARCH-REPORT | US3575786 |
| INTERNATIONAL-SEARCH-REPORT | WO03084746 |
| OPPOSITION | CN201236411Y |
| OPPOSITION | DE19603073 |
| OPPOSITION | DE19844431 |
| OPPOSITION | DE202007009532U |
| OPPOSITION | EP0692423 |
| OPPOSITION | FR2563153 |
| OPPOSITION | FR2872085 |
| OPPOSITION | GB1027503 |
| OPPOSITION | GB2191147 |
| OPPOSITION | GB2447562 |
| OPPOSITION | JPH07314594 |
| OPPOSITION | US2007256379 |
| OPPOSITION | US2007275247 |
| OPPOSITION | US2009205277 |
| OPPOSITION | WO2004065116 |
| OPPOSITION | WO2007116126 |
| OPPOSITION | WO2010119431 |
| OPPOSITION | WO9829240 |
| SEARCH | DE19603073 |
| SEARCH | EP1199157 |
| SEARCH | US4844763 |
| SEARCH | US5772830 |
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, 2022
Jul 7, 2022
Jul 1, 2022
Jun 23, 2022
Jun 23, 2022
Description
OPPO
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Apr 6, 2022
Apr 6, 2022
Apr 1, 2022
Mar 23, 2022
Refund of fees
Search/Exam
Mar 18, 2022
Mar 18, 2022
Mar 15, 2022
(Electronic) Receipt
Appeal
Mar 15, 2022
Mar 15, 2022
Mar 15, 2022
Withdrawal of an appeal
Appeal
Feb 22, 2022
Feb 22, 2022
Feb 15, 2022
(Electronic) Receipt
Appeal
Feb 15, 2022
Feb 15, 2022
Notice of appeal
Appeal
Dec 21, 2021
Dec 20, 2021
Dec 17, 2021
Dec 17, 2021
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Means of redress
OPPO
Dec 17, 2021
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May 31, 2021
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Mar 25, 2021
Communication of amended entries
Search/Exam
Feb 23, 2021
Request concerning representative opponent
Search/Exam
Jan 19, 2021
Jan 15, 2021
Dec 3, 2020
Nov 25, 2020
Nov 25, 2020
Nov 25, 2020
Nov 25, 2020
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Jan 16, 2020
Document concerning representation
Search/Exam
May 20, 2019
Apr 11, 2019
Decision to grant a European patent
Search/Exam
Apr 1, 2019
Apr 1, 2019
Apr 1, 2019
Apr 1, 2019
Intention to grant (signatures)
Search/Exam
Apr 1, 2019
Text intended for grant (clean copy)
Search/Exam
Apr 1, 2019
Mar 8, 2019
(Electronic) Receipt
Search/Exam
Mar 8, 2019
Amended claims with annotations
Search/Exam
Mar 8, 2019
Claims
Search/Exam
Mar 8, 2019
French translation of claims
Search/Exam
Mar 8, 2019
German translation of the claims
Search/Exam
Mar 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 8, 2019
Feb 20, 2019
Feb 20, 2019
Feb 20, 2019
Feb 20, 2019
Intention to grant (signatures)
Search/Exam
Feb 20, 2019
Text intended for grant (clean copy)
Search/Exam
Feb 20, 2019
Jan 31, 2019
Submission concerning representation
Search/Exam
Jun 13, 2018
Decision to allow further processing
Search/Exam
Jun 5, 2018
(Electronic) Receipt
Search/Exam
Jun 5, 2018
Amended claims with annotations
Search/Exam
Jun 5, 2018
Amended claims with annotations
Search/Exam
Jun 5, 2018
Claims
Search/Exam
Jun 5, 2018
Claims
Search/Exam
Jun 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 5, 2018
Request for further processing
Search/Exam
Mar 27, 2018
Jan 4, 2018
Dec 21, 2017
(Electronic) Receipt
Search/Exam
Dec 21, 2017
Aug 17, 2017
Annex to the communication
Search/Exam
Aug 17, 2017
Communication from the Examining Division
Search/Exam
Jul 25, 2017
(Electronic) Receipt
Search/Exam
Jul 25, 2017
Jul 25, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 25, 2017
Jun 28, 2017
Jun 19, 2017
(Electronic) Receipt
Search/Exam
Jun 19, 2017
Jun 19, 2017
Amended claims with annotations
Search/Exam
Jun 19, 2017
Amendments received before examination
Search/Exam
Jun 19, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 9, 2016
Nov 22, 2016
Nov 22, 2016
European search opinion
Search/Exam
Nov 22, 2016
Information on Search Strategy
Search/Exam
Nov 22, 2016
Supplementary European search report
Search/Exam
Apr 13, 2016
Search started
Search/Exam
May 28, 2014
May 21, 2014
Apr 18, 2013
(Electronic) Receipt
Search/Exam
Apr 18, 2013
Amendments received before examination
Search/Exam
Apr 18, 2013
Letter accompanying subsequently filed items
Search/Exam
Nov 28, 2012
Oct 8, 2012
Sep 24, 2012
Communication to designated inventor
Search/Exam
Sep 7, 2012
(Electronic) Receipt
Search/Exam
Sep 7, 2012
Request for entry into the European phase
Search/Exam
Sep 4, 2012
Jun 29, 2012
Information on entry into European phase
Search/Exam
Sep 14, 2011
Aug 25, 2011
Copy of the international search report
Search/Exam
Aug 25, 2011
Published international application - A1
Search/Exam