The weekly litigation news digest is live. Subscribe now
Patent No. EP3497283 (titled "Oil, Grease, And Moisture Resistant Paperboard") was filed by Westrock MWV on Aug 4, 2017. The application was issued on Aug 3, 2022.

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 |
|---|---|---|
| KEMIRA OYJ | May 3, 2023 | PAGE WHITE FARRER |
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
Mar 3, 2025
Mar 3, 2025
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 6, 2024
Nov 6, 2024
Nov 5, 2024
Nov 5, 2024
Nov 5, 2024
Nov 5, 2024
Nov 5, 2024
Nov 5, 2024
Nov 5, 2024
Nov 5, 2024
Oct 30, 2024
Oct 30, 2024
Oct 30, 2024
Oct 30, 2024
Oct 30, 2024
Oct 24, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Sep 12, 2024
Sep 12, 2024
Sep 10, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Jun 17, 2024
Jun 17, 2024
Jun 17, 2024
Jun 17, 2024
Jun 17, 2024
Jun 17, 2024
Jun 17, 2024
Jun 14, 2024
Jun 14, 2024
Jun 12, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
Apr 26, 2024
Apr 22, 2024
Apr 22, 2024
Apr 22, 2024
Dec 20, 2023
Dec 20, 2023
Dec 11, 2023
Dec 11, 2023
Dec 11, 2023
Jul 7, 2023
Jul 7, 2023
Jun 30, 2023
Jun 30, 2023
May 16, 2023
May 16, 2023
May 9, 2023
May 3, 2023
May 3, 2023
May 3, 2023
May 3, 2023
May 3, 2023
May 3, 2023
May 3, 2023
Aug 17, 2022
Jul 7, 2022
Jun 22, 2022
Jun 22, 2022
Jun 22, 2022
Feb 18, 2022
Feb 18, 2022
Feb 18, 2022
Feb 18, 2022
Feb 18, 2022
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Jul 8, 2021
Jul 8, 2021
Jul 8, 2021
Jul 8, 2021
Jul 8, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Dec 3, 2020
Dec 3, 2020
Oct 23, 2020
Oct 23, 2020
Oct 23, 2020
Jul 15, 2020
Jul 15, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Apr 23, 2020
Apr 17, 2020
Feb 18, 2020
Feb 18, 2020
Feb 13, 2020
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
May 22, 2019
Mar 15, 2019
Mar 15, 2019
Mar 15, 2019
Mar 15, 2019
Mar 4, 2019
Mar 4, 2019
Mar 4, 2019
Feb 27, 2019
Feb 15, 2019
Feb 15, 2019
Dec 19, 2018
Mar 5, 2018
Mar 5, 2018
Mar 5, 2018
Feb 15, 2018
Feb 15, 2018
Sep 22, 2017
Sep 21, 2017
Sep 21, 2017
Sep 21, 2017
Aug 25, 2017
Aug 14, 2017
Aug 14, 2017
Aug 14, 2017
Aug 14, 2017
Aug 14, 2017
Aug 14, 2017
Aug 14, 2017
Aug 14, 2017
Aug 14, 2017