Patent No. EP3838625 (titled "Pneumatic Tire") was filed by Sumitomo Rubber Industries on Dec 2, 2020. The application was issued on Feb 1, 2023.

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 |
|---|---|---|
| COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN | Oct 27, 2023 | MFP MICHELIN |
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
Nov 2, 2025
Oct 20, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Jul 30, 2025
Jul 30, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 5, 2025
May 14, 2025
May 13, 2025
May 12, 2025
May 12, 2025
May 12, 2025
May 9, 2025
May 7, 2025
May 7, 2025
May 7, 2025
Mar 18, 2025
Mar 14, 2025
Mar 13, 2025
Mar 13, 2025
Mar 13, 2025
Mar 13, 2025
Mar 13, 2025
Mar 13, 2025
Mar 13, 2025
Mar 13, 2025
Mar 13, 2025
Mar 13, 2025
Mar 13, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Apr 4, 2024
Mar 26, 2024
Mar 21, 2024
Mar 20, 2024
Mar 20, 2024
Mar 20, 2024
Mar 18, 2024
Mar 18, 2024
Mar 18, 2024
Mar 18, 2024
Mar 18, 2024
Mar 18, 2024
Mar 18, 2024
Mar 18, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Nov 20, 2023
Nov 20, 2023
Nov 2, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Feb 14, 2023
Jan 5, 2023
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Sep 21, 2022
Sep 21, 2022
Sep 21, 2022
Sep 21, 2022
Sep 21, 2022
Aug 16, 2022
Sep 10, 2021
Sep 10, 2021
Sep 10, 2021
Sep 10, 2021
Sep 10, 2021
Sep 10, 2021
Sep 10, 2021
Jun 28, 2021
May 27, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Apr 6, 2021
Mar 22, 2021
Jan 25, 2021
Jan 25, 2021
Jan 25, 2021
Dec 7, 2020
Dec 2, 2020
Dec 2, 2020
Dec 2, 2020
Dec 2, 2020
Dec 2, 2020
Dec 2, 2020
Dec 2, 2020