The weekly litigation news digest is live. Subscribe now
The patent EP3403791 was granted to UPM Plywood on Feb 16, 2022. The application was filed on May 19, 2017 under application number EP17397512A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| METSALIITTO OSUUSKUNTA | Nov 16, 2022 | HERZOG PATENTANWALTS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP0056301 |
| OPPOSITION | FI20155433 |
| OPPOSITION | US2014000464 |
| OPPOSITION | US4602663 |
| SEARCH | CA1007964 |
| SEARCH | US2014000464 |
| SEARCH | US3318014 |
| SEARCH | US4396049 |
| SEARCH | US4602663 |
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
Get instant alerts for new documents
Dec 18, 2025
Dec 8, 2025
Dec 8, 2025
Dec 8, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Jul 29, 2025
Jul 29, 2025
Jul 29, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
Apr 17, 2025
(Electronic) Receipt
Appeal
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 15, 2025
Apr 14, 2025
(Electronic) Receipt
Appeal
Apr 14, 2025
Apr 14, 2025
Apr 7, 2025
Apr 4, 2025
(Electronic) Receipt
Appeal
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Feb 11, 2025
Feb 11, 2025
Feb 11, 2025
Feb 11, 2025
Feb 3, 2025
Feb 3, 2025
Jan 28, 2025
(Electronic) Receipt
Appeal
Jan 28, 2025
Jan 28, 2025
Jan 28, 2025
Dec 6, 2024
Dec 5, 2024
(Electronic) Receipt
Appeal
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Reply to appeal
Appeal
Dec 3, 2024
Nov 27, 2024
(Electronic) Receipt
Appeal
Nov 27, 2024
Nov 27, 2024
Oct 7, 2024
Oct 7, 2024
Oct 4, 2024
Sep 30, 2024
(Electronic) Receipt
Appeal
Sep 30, 2024
Sep 30, 2024
Sep 26, 2024
Sep 23, 2024
(Electronic) Receipt
Appeal
Sep 23, 2024
Sep 23, 2024
Aug 29, 2024
Aug 29, 2024
Aug 26, 2024
Aug 26, 2024
Aug 7, 2024
Aug 1, 2024
(Electronic) Receipt
Appeal
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jun 17, 2024
Jun 11, 2024
(Electronic) Receipt
Appeal
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
May 23, 2024
May 17, 2024
May 17, 2024
(Electronic) Receipt
Appeal
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 14, 2024
(Electronic) Receipt
Appeal
May 14, 2024
May 14, 2024
May 13, 2024
May 13, 2024
May 10, 2024
May 10, 2024
May 6, 2024
(Electronic) Receipt
Appeal
May 6, 2024
May 6, 2024
Notice of appeal
Appeal
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Means of redress
OPPO
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Feb 19, 2024
Feb 19, 2024
Feb 5, 2024
Feb 5, 2024
Jan 4, 2024
Jan 3, 2024
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Nov 6, 2023
Nov 6, 2023
Nov 2, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 11, 2023
Oct 6, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Jun 13, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Feb 17, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Feb 13, 2023
Feb 13, 2023
Feb 13, 2023
Feb 10, 2023
Feb 10, 2023
Feb 10, 2023
Feb 10, 2023
Feb 10, 2023
Feb 10, 2023
Feb 10, 2023
Feb 10, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Dec 1, 2022
Dec 1, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Mar 1, 2022
Jan 20, 2022
Decision to grant a European patent
Search/Exam
Jan 7, 2022
(Electronic) Receipt
Search/Exam
Jan 7, 2022
Filing of the translations of the claims
Search/Exam
Jan 7, 2022
French translation of claims
Search/Exam
Jan 7, 2022
German translation of the claims
Search/Exam
Nov 9, 2021
Nov 9, 2021
Nov 9, 2021
Intention to grant (signatures)
Search/Exam
Nov 9, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 9, 2021
Feb 23, 2021
Document concerning representation
Search/Exam
Sep 10, 2020
(Electronic) Receipt
Search/Exam
Sep 10, 2020
Amended claims with annotations
Search/Exam
Sep 10, 2020
Amended description with annotations
Search/Exam
Sep 10, 2020
Claims
Search/Exam
Sep 10, 2020
Description
Search/Exam
Sep 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 10, 2020
Mar 20, 2020
Annex to the communication
Search/Exam
Mar 20, 2020
Communication from the Examining Division
Search/Exam
Mar 6, 2020
(Electronic) Receipt
Search/Exam
Mar 6, 2020
Amended claims with annotations
Search/Exam
Mar 6, 2020
Claims
Search/Exam
Mar 6, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 6, 2020
Dec 4, 2019
Annex to the communication
Search/Exam
Dec 4, 2019
Communication from the Examining Division
Search/Exam
Nov 14, 2019
(Electronic) Receipt
Search/Exam
Nov 14, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 14, 2019
Aug 20, 2019
Annex to the communication
Search/Exam
Aug 20, 2019
Communication from the Examining Division
Search/Exam
Aug 9, 2019
Examination started
Search/Exam
May 16, 2019
(Electronic) Receipt
Search/Exam
May 16, 2019
May 16, 2019
Amended claims with annotations
Search/Exam
May 16, 2019
Amendments received before examination
Search/Exam
May 16, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 26, 2018
Oct 24, 2018
Notification of forthcoming publication
Search/Exam
Nov 24, 2017
Nov 24, 2017
European search opinion
Search/Exam
Nov 24, 2017
European search report
Search/Exam
Nov 24, 2017
Information on Search Strategy
Search/Exam
Oct 13, 2017
Search started
Search/Exam
Jul 12, 2017
Communication to designated inventor
Search/Exam
Jul 12, 2017
Communication to designated inventor
Search/Exam
Jul 12, 2017
Communication to designated inventor
Search/Exam
Jul 12, 2017
Communication to designated inventor
Search/Exam
Jun 13, 2017
May 19, 2017
Abstract
Search/Exam
May 19, 2017
May 19, 2017
Claims
Search/Exam
May 19, 2017
Description
Search/Exam
May 19, 2017
Designation of inventor
Search/Exam
May 19, 2017
Drawings
Search/Exam
May 19, 2017
Request for grant of a European patent
Search/Exam