Patent No. EP3594299 (titled "Polyaspartic Coating Composition, Coating Film, And Coated Article") was filed by Asahi Kasei Kabushiki Kaisha on Mar 1, 2018. The application was issued on Nov 27, 2024.

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 |
|---|---|---|
| COVESTRO DEUTSCHLAND COVESTRO & COKG | Jul 11, 2022 | LEVPAT |
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 31, 2024
Oct 31, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Sep 17, 2024
Sep 17, 2024
Sep 17, 2024
Aug 23, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 22, 2024
May 8, 2024
Apr 16, 2024
Apr 11, 2024
Apr 9, 2024
Apr 9, 2024
Apr 9, 2024
Apr 9, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Mar 18, 2024
Mar 15, 2024
Mar 8, 2024
Mar 8, 2024
Mar 8, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
May 12, 2023
May 12, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
May 10, 2023
Feb 22, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Dec 9, 2022
Dec 9, 2022
Dec 6, 2022
Dec 6, 2022
Dec 6, 2022
Aug 9, 2022
Aug 9, 2022
Aug 5, 2022
Aug 1, 2022
Aug 1, 2022
Aug 1, 2022
Jul 21, 2022
Jul 21, 2022
Jul 19, 2022
Jul 11, 2022
Jul 11, 2022
Jul 11, 2022
Jul 11, 2022
Jul 11, 2022
Jul 11, 2022
Jul 11, 2022
Jul 11, 2022
Jul 11, 2022
Oct 26, 2021
Sep 16, 2021
Aug 16, 2021
Aug 16, 2021
Aug 16, 2021
Aug 16, 2021
Aug 16, 2021
May 3, 2021
May 3, 2021
May 3, 2021
May 3, 2021
May 3, 2021
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Nov 13, 2020
Sep 16, 2020
Sep 16, 2020
May 14, 2020
May 14, 2020
May 14, 2020
May 14, 2020
May 14, 2020
Feb 21, 2020
Feb 21, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Dec 18, 2019
Oct 14, 2019
Oct 1, 2019
Oct 1, 2019
Sep 5, 2019
Sep 5, 2019
Sep 5, 2019
Sep 5, 2019
Sep 5, 2019
Jul 17, 2019
Oct 3, 2018
Oct 3, 2018
Sep 27, 2018
Sep 13, 2018
Sep 13, 2018
Sep 13, 2018