The weekly litigation news digest is live. Subscribe now
The patent EP3568521 was granted to Ahlstrom Munksj OYJ on Jan 3, 2024. The application was filed on Jan 10, 2018 under application number EP18700329A. 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 |
|---|---|---|---|
| MONDI | Sep 17, 2021 | PUCHBERGER & PARTNER PATENTANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2965919 |
| DESCRIPTION | US2008229962 |
| DESCRIPTION | WO0006392 |
| DESCRIPTION | WO2008006434 |
| DESCRIPTION | WO2016074671 |
| INTERNATIONAL-SEARCH-REPORT | US2008229962 |
| INTERNATIONAL-SEARCH-REPORT | US2009068485 |
| INTERNATIONAL-SEARCH-REPORT | US5958579 |
| OPPOSITION | EP2418090 |
| OPPOSITION | JP2010158875 |
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 7, 2023
Dec 7, 2023
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Aug 31, 2023
Aug 31, 2023
Aug 28, 2023
Jun 5, 2023
May 30, 2023
Letter accompanying subsequently filed items
Search/Exam
May 30, 2023
May 19, 2023
May 19, 2023
May 19, 2023
May 16, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 12, 2023
May 12, 2023
May 12, 2023
May 12, 2023
May 12, 2023
Means of redress
OPPO
Apr 19, 2023
Apr 18, 2023
Apr 18, 2023
Apr 11, 2023
Apr 11, 2023
Apr 11, 2023
Apr 11, 2023
Feb 24, 2023
Feb 24, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Dec 19, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 9, 2022
Dec 9, 2022
Jul 13, 2022
Jul 12, 2022
Jul 8, 2022
Jul 8, 2022
Jul 8, 2022
Jul 8, 2022
Jul 8, 2022
Jul 8, 2022
May 25, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
Apr 26, 2022
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Apr 20, 2022
Apr 20, 2022
Apr 20, 2022
Apr 19, 2022
Apr 12, 2022
Apr 12, 2022
Apr 12, 2022
Feb 4, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Oct 20, 2021
Oct 14, 2021
Oct 14, 2021
Oct 14, 2021
Oct 6, 2021
Oct 6, 2021
Oct 6, 2021
Oct 5, 2021
Oct 5, 2021
Sep 30, 2021
Sep 30, 2021
Sep 30, 2021
Sep 22, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Sep 17, 2021
Jan 13, 2021
Jan 13, 2021
Nov 26, 2020
Decision to grant a European patent
Search/Exam
Nov 13, 2020
(Electronic) Receipt
Search/Exam
Nov 13, 2020
English translation of the claims
Search/Exam
Nov 13, 2020
Filing of the translations of the claims
Search/Exam
Nov 13, 2020
German translation of the claims
Search/Exam
Jul 21, 2020
Jul 21, 2020
Jul 21, 2020
Intention to grant (signatures)
Search/Exam
Jul 21, 2020
Text intended for grant (clean copy)
Search/Exam
Jul 21, 2020
Jun 17, 2020
Examination started
Search/Exam
Mar 9, 2020
(Electronic) Receipt
Search/Exam
Mar 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 9, 2020
Reply to Written Opinion prepared by the EPO
Search/Exam
Oct 23, 2019
Aug 30, 2019
Aug 24, 2019
Priority search results copy provided by EPO
Search/Exam
Aug 20, 2019
Communication to designated inventor
Search/Exam
Aug 9, 2019
(Electronic) Receipt
Search/Exam
Aug 9, 2019
Aug 9, 2019
Amended claims with annotations
Search/Exam
Aug 9, 2019
Request for entry into the European phase
Search/Exam
Jul 30, 2019
May 24, 2019
Information on entry into European phase
Search/Exam
Aug 13, 2018
Jul 19, 2018
Copy of the international search report
Search/Exam
Jul 19, 2018
Published international application - A1
Search/Exam
Feb 19, 2018
ISR: cited documents
PCTISA
Feb 19, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Jan 26, 2018
Jan 25, 2018
Jan 22, 2018
Jan 10, 2018
(Electronic) Receipt
PCTRO
Jan 10, 2018
Abstract
PCTRO
Jan 10, 2018
Claims
PCTRO
Jan 10, 2018
Description
PCTRO
Jan 10, 2018
Jan 10, 2018
Jan 10, 2018