The weekly litigation news digest is live. Subscribe now
The patent EP3215542 was granted to Renmatix on Oct 20, 2021. The application was filed on Nov 12, 2014 under application number EP14905884A. 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 |
|---|---|---|---|
| UPM KYMMENE OYJ | Jul 19, 2022 | HOFFMANN EITLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US3808192 |
| DESCRIPTION | US8057639 |
| INTERNATIONAL-SEARCH-REPORT | US2006014992 |
| INTERNATIONAL-SEARCH-REPORT | US2009038212 |
| INTERNATIONAL-SEARCH-REPORT | US2012282465 |
| INTERNATIONAL-SEARCH-REPORT | US5744520 |
| INTERNATIONAL-SEARCH-REPORT | WO2013162881 |
| OPPOSITION | WO2012049375 |
| SEARCH | US3808192 |
| SEARCH | US4017642 |
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
Oct 1, 2025
Oct 1, 2025
Sep 23, 2025
Sep 18, 2025
(Electronic) Receipt
Appeal
Sep 18, 2025
Sep 18, 2025
Sep 2, 2025
Aug 29, 2025
(Electronic) Receipt
Appeal
Aug 29, 2025
Aug 29, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 11, 2025
Jul 11, 2025
Apr 2, 2025
Mar 28, 2025
(Electronic) Receipt
Appeal
Mar 28, 2025
Mar 28, 2025
Feb 27, 2025
Feb 24, 2025
(Electronic) Receipt
Appeal
Feb 24, 2025
Feb 24, 2025
Oct 17, 2024
Oct 14, 2024
(Electronic) Receipt
Appeal
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Reply to appeal
Appeal
Oct 2, 2024
Sep 27, 2024
(Electronic) Receipt
Appeal
Sep 27, 2024
Sep 27, 2024
Reply to appeal
Appeal
Jun 13, 2024
Jun 13, 2024
Jun 10, 2024
(Electronic) Receipt
Appeal
Jun 10, 2024
Jun 10, 2024
Jun 10, 2024
Jun 10, 2024
Jun 10, 2024
Jun 10, 2024
Jun 7, 2024
(Electronic) Receipt
Appeal
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 8, 2024
(Electronic) Receipt
Appeal
Apr 8, 2024
Apr 8, 2024
Notice of appeal
Appeal
Apr 5, 2024
(Electronic) Receipt
Appeal
Apr 5, 2024
Apr 5, 2024
Notice of appeal
Appeal
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Means of redress
OPPO
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Jan 16, 2024
Jan 2, 2024
Dec 15, 2023
Dec 15, 2023
Dec 15, 2023
Dec 15, 2023
Dec 14, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 7, 2023
Dec 7, 2023
Dec 7, 2023
Nov 20, 2023
Nov 20, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Description
OPPO
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Apr 6, 2023
Apr 4, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Dec 16, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 19, 2022
Oct 19, 2022
Oct 19, 2022
Oct 12, 2022
Oct 12, 2022
Oct 12, 2022
Aug 3, 2022
Aug 3, 2022
Jul 22, 2022
Jul 19, 2022
Jul 19, 2022
Jul 19, 2022
Jul 19, 2022
Jul 19, 2022
Jul 19, 2022
Jul 19, 2022
Jul 19, 2022
Jul 19, 2022
Jul 19, 2022
Nov 3, 2021
Oct 15, 2021
Payment submission rejected
Search/Exam
Sep 23, 2021
Decision to grant a European patent
Search/Exam
Sep 10, 2021
(Electronic) Receipt
Search/Exam
Sep 10, 2021
Filing of the translations of the claims
Search/Exam
Sep 10, 2021
French translation of claims
Search/Exam
Sep 10, 2021
German translation of the claims
Search/Exam
Sep 10, 2021
Letter accompanying subsequently filed items
Search/Exam
May 27, 2021
May 20, 2021
May 19, 2021
May 19, 2021
May 19, 2021
Intention to grant (signatures)
Search/Exam
May 19, 2021
Text intended for grant (clean copy)
Search/Exam
May 19, 2021
Mar 18, 2021
(Electronic) Receipt
Search/Exam
Mar 18, 2021
Amended claims with annotations
Search/Exam
Mar 18, 2021
Claims
Search/Exam
Mar 18, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 18, 2021
Jan 13, 2021
Dec 15, 2020
Dec 9, 2020
Non-patent literature filed by a third party
Search/Exam
Dec 9, 2020
Observations by third parties
Search/Exam
Nov 25, 2020
Nov 25, 2020
Nov 25, 2020
Intention to grant (signatures)
Search/Exam
Nov 25, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 25, 2020
Oct 30, 2020
Oct 29, 2020
(Electronic) Receipt
Search/Exam
Oct 29, 2020
Amended claims with annotations
Search/Exam
Oct 29, 2020
Amended description with annotations
Search/Exam
Oct 29, 2020
Claims
Search/Exam
Oct 29, 2020
Description
Search/Exam
Oct 29, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 29, 2020
Oct 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 20, 2020
Sep 15, 2020
Sep 15, 2020
Sep 15, 2020
Intention to grant (signatures)
Search/Exam
Sep 15, 2020
Text intended for grant (clean copy)
Search/Exam
Sep 15, 2020
Dec 5, 2019
(Electronic) Receipt
Search/Exam
Dec 5, 2019
Amended claims with annotations
Search/Exam
Dec 5, 2019
Claims
Search/Exam
Dec 5, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 5, 2019
Oct 7, 2019
Sep 27, 2019
(Electronic) Receipt
Search/Exam
Sep 27, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2019
May 28, 2019
Annex to the communication
Search/Exam
May 28, 2019
Communication from the Examining Division
Search/Exam
Dec 20, 2018
Examination started
Search/Exam
Dec 5, 2018
(Electronic) Receipt
Search/Exam
Dec 5, 2018
Dec 5, 2018
Amended claims with annotations
Search/Exam
Dec 5, 2018
Amendments received before examination
Search/Exam
Dec 5, 2018
Letter accompanying subsequently filed items
Search/Exam
May 29, 2018
May 11, 2018
May 11, 2018
European search opinion
Search/Exam
May 11, 2018
Information on Search Strategy
Search/Exam
May 11, 2018
Supplementary European search report
Search/Exam
Apr 25, 2018
Search started
Search/Exam
Jan 9, 2018
(Electronic) Receipt
Search/Exam
Jan 9, 2018
Jan 9, 2018
Amended claims with annotations
Search/Exam
Jan 9, 2018
Amendments received before examination
Search/Exam
Jan 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 17, 2017
Jul 11, 2017
Jul 7, 2017
Communication to designated inventor
Search/Exam
Jul 7, 2017
Communication to designated inventor
Search/Exam
Jul 7, 2017
Communication to designated inventor
Search/Exam
Jul 7, 2017
Communication to designated inventor
Search/Exam
Jul 7, 2017
Communication to designated inventor
Search/Exam
Jun 5, 2017
(Electronic) Receipt
Search/Exam
Jun 5, 2017
Request for entry into the European phase
Search/Exam
May 31, 2017
Mar 24, 2017
Information on entry into European phase
Search/Exam
May 19, 2016
Copy of the international search report
Search/Exam
May 19, 2016
Published international application - A1
Search/Exam