Patent No. EP3752572 (titled "Vehicle Heating And/Or Air-Conditioning System") was filed by Arkema France on Feb 13, 2019. The application was issued on May 22, 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 |
|---|---|---|
| THE CHEMOURS FC | Feb 4, 2025 | ABITZ & PARTNER |
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
Apr 24, 2026
Apr 22, 2026
Apr 20, 2026
Apr 20, 2026
Apr 20, 2026
Apr 20, 2026
Apr 20, 2026
Apr 20, 2026
Apr 20, 2026
Apr 17, 2026
Apr 17, 2026
Apr 17, 2026
Apr 16, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Sep 15, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Jun 16, 2025
Jun 16, 2025
Jun 12, 2025
Jun 5, 2025
Jun 5, 2025
Jun 5, 2025
Apr 4, 2025
Apr 1, 2025
Apr 1, 2025
Mar 11, 2025
Mar 11, 2025
Mar 10, 2025
Mar 7, 2025
Mar 5, 2025
Mar 3, 2025
Feb 27, 2025
Feb 27, 2025
Feb 27, 2025
Feb 27, 2025
Feb 27, 2025
Feb 27, 2025
Feb 11, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Jun 5, 2024
Apr 25, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Jan 17, 2024
Jan 17, 2024
Jan 17, 2024
Jan 17, 2024
Jan 17, 2024
Jan 17, 2024
Apr 26, 2023
Apr 26, 2023
Apr 26, 2023
Apr 26, 2023
Apr 26, 2023
Mar 7, 2023
Nov 30, 2022
Nov 25, 2022
Nov 25, 2022
Nov 25, 2022
Aug 2, 2022
Aug 2, 2022
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Jan 11, 2022
Jan 5, 2022
Jan 5, 2022
Jan 5, 2022
Sep 22, 2021
Sep 22, 2021
Sep 16, 2021
Mar 23, 2021
Mar 23, 2021
Mar 23, 2021
Nov 25, 2020
Sep 22, 2020
Sep 18, 2020
Sep 15, 2020
Aug 31, 2020
Jun 8, 2020
May 27, 2020
May 27, 2020
Sep 10, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
May 21, 2019
May 21, 2019
May 21, 2019
May 21, 2019
May 21, 2019
Mar 29, 2019
Mar 19, 2019
Mar 19, 2019
Mar 19, 2019
Mar 19, 2019
Mar 19, 2019
Mar 19, 2019