The weekly litigation news digest is live. Subscribe now
The patent EP3786079 was granted to Billerudkorsns on Apr 6, 2022. The application was filed on Aug 27, 2019 under application number EP19193881A. 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 |
|---|---|---|---|
| MONDI | Jan 6, 2023 | GRAMM | ADMISSIBLE |
| HOLWEG GROUP | Jan 3, 2023 | BRUNGARD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | AT219536 |
| OPPOSITION | AT553919 |
| OPPOSITION | AU5893899 |
| OPPOSITION | AU8365898 |
| OPPOSITION | BG104046 |
| OPPOSITION | BG63849B |
| OPPOSITION | BR9810569 |
| OPPOSITION | BR9913134 |
| OPPOSITION | CA2295075 |
| OPPOSITION | CA2342227 |
| OPPOSITION | CH680124 |
| OPPOSITION | CN1316030 |
| OPPOSITION | CZ9904763 |
| OPPOSITION | DE1012377T |
| OPPOSITION | DE102009007985 |
| OPPOSITION | DE202014011111U |
| OPPOSITION | DE69806168D |
| OPPOSITION | DE69806168T |
| OPPOSITION | EE200000009 |
| OPPOSITION | EP0947437 |
| OPPOSITION | EP1012377 |
| OPPOSITION | EP1117869 |
| OPPOSITION | EP3202979 |
| OPPOSITION | EP3250464 |
| OPPOSITION | EP3974580 |
| OPPOSITION | EP4067568 |
| OPPOSITION | ES2147169T |
| OPPOSITION | ES2386805T |
| OPPOSITION | FR1270400 |
| OPPOSITION | HUP0003123 |
| OPPOSITION | JP2002524315 |
| OPPOSITION | JP4694691B |
| OPPOSITION | NZ510171 |
| OPPOSITION | PL337972 |
| OPPOSITION | PL346425 |
| OPPOSITION | PT1012377E |
| OPPOSITION | RU2202021 |
| OPPOSITION | RU2208079 |
| OPPOSITION | US1600345 |
| OPPOSITION | US1661143 |
| OPPOSITION | US2006204148 |
| OPPOSITION | US4741376 |
| OPPOSITION | US5503328 |
| OPPOSITION | US6537680 |
| OPPOSITION | US8763891 |
| OPPOSITION | WO0014333 |
| OPPOSITION | WO2007131666 |
| OPPOSITION | WO9902772 |
| OPPOSITION | ZA986082 |
| SEARCH | DE202014011111U |
| SEARCH | EP3250464 |
| SEARCH | US2006204148 |
| SEARCH | WO9902772 |
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
Jul 11, 2025
Jul 11, 2025
Jul 7, 2025
(Electronic) Receipt
Appeal
Jul 7, 2025
Jul 7, 2025
Jul 7, 2025
Reply to appeal
Appeal
Apr 4, 2025
Apr 4, 2025
Mar 31, 2025
(Electronic) Receipt
Appeal
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Jan 24, 2025
Jan 24, 2025
Jan 24, 2025
Jan 20, 2025
(Electronic) Receipt
Appeal
Jan 20, 2025
Jan 20, 2025
Notice of appeal
Appeal
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Means of redress
OPPO
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Nov 28, 2024
Oct 2, 2024
Sep 18, 2024
Sep 18, 2024
Sep 11, 2024
Sep 11, 2024
Aug 9, 2024
Aug 9, 2024
Aug 8, 2024
Aug 8, 2024
Aug 6, 2024
Aug 6, 2024
Aug 2, 2024
Aug 2, 2024
Aug 2, 2024
Aug 2, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Jul 29, 2024
Jul 29, 2024
Jul 29, 2024
Jul 29, 2024
Jul 29, 2024
Jul 29, 2024
Jul 29, 2024
Jul 12, 2024
Jul 12, 2024
Jul 5, 2024
Jul 5, 2024
Oct 19, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Jun 1, 2023
Jun 1, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
Jan 25, 2023
Jan 25, 2023
Jan 25, 2023
Jan 13, 2023
Jan 11, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Apr 21, 2022
Mar 11, 2022
Decision to grant a European patent
Search/Exam
Feb 21, 2022
Change to the inventor details
Search/Exam
Feb 15, 2022
(Electronic) Receipt
Search/Exam
Feb 15, 2022
Filing of the translations of the claims
Search/Exam
Feb 15, 2022
French translation of claims
Search/Exam
Feb 15, 2022
German translation of the claims
Search/Exam
Feb 15, 2022
Letter concerning the inventor
Search/Exam
Nov 12, 2021
Nov 12, 2021
Nov 12, 2021
Intention to grant (signatures)
Search/Exam
Nov 12, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 12, 2021
Oct 15, 2021
Examination started
Search/Exam
Sep 2, 2021
(Electronic) Receipt
Search/Exam
Sep 2, 2021
Sep 2, 2021
Amended claims with annotations
Search/Exam
Sep 2, 2021
Sep 2, 2021
Amended description with annotations
Search/Exam
Sep 2, 2021
Amendments received before examination
Search/Exam
Sep 2, 2021
Annex
Search/Exam
Sep 2, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 9, 2021
Feb 3, 2021
Notification of forthcoming publication
Search/Exam
Nov 4, 2019
Nov 4, 2019
European search opinion
Search/Exam
Nov 4, 2019
European search report
Search/Exam
Nov 4, 2019
Information on Search Strategy
Search/Exam
Oct 22, 2019
Search started
Search/Exam
Oct 18, 2019
Communication to designated inventor
Search/Exam
Oct 18, 2019
Communication to designated inventor
Search/Exam
Oct 18, 2019
Communication to designated inventor
Search/Exam
Aug 27, 2019
Abstract
Search/Exam
Aug 27, 2019
Aug 27, 2019
Claims
Search/Exam
Aug 27, 2019
Description
Search/Exam
Aug 27, 2019
Designation of inventor
Search/Exam
Aug 27, 2019
Drawings
Search/Exam
Aug 27, 2019
Request for grant of a European patent
Search/Exam