Patent No. EP3249341 (titled "Heat Exchanger And Method For Wetting Heat Exchangers") was filed by A Heat Allied Heat Exchange Technology on Jul 10, 2013. The application was issued on Oct 15, 2025.

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.
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
Dec 11, 2025
Dec 4, 2025
Dec 4, 2025
Dec 4, 2025
Oct 8, 2025
Oct 8, 2025
Sep 18, 2025
Sep 18, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 2, 2025
Sep 2, 2025
Aug 12, 2025
Aug 12, 2025
Aug 12, 2025
Aug 8, 2025
Jun 10, 2025
Jun 10, 2025
Jun 5, 2025
Jun 5, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
May 21, 2025
May 20, 2025
May 20, 2025
May 20, 2025
Apr 14, 2025
Apr 14, 2025
Feb 28, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Jan 22, 2025
Jan 22, 2025
Jan 21, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Dec 16, 2024
Dec 11, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Nov 19, 2024
Nov 19, 2024
Nov 14, 2024
Jul 25, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
May 10, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 3, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Nov 3, 2023
Nov 3, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 23, 2023
Oct 23, 2023
Oct 23, 2023
Oct 23, 2023
Oct 23, 2023
Oct 23, 2023
Oct 23, 2023
Oct 23, 2023
Oct 23, 2023
Oct 23, 2023
Oct 23, 2023
Aug 31, 2023
Aug 29, 2023
Aug 28, 2023
Aug 28, 2023
Aug 28, 2023
Aug 23, 2023
Aug 23, 2023
Aug 23, 2023
Aug 1, 2023
Jun 28, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Nov 17, 2022
Sep 21, 2022
Sep 16, 2022
Sep 16, 2022
Sep 16, 2022
Sep 13, 2022
Sep 13, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Jun 2, 2022
May 31, 2022
May 31, 2022
Feb 24, 2022
Feb 24, 2022
Feb 24, 2022
Feb 21, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 1, 2022
Jan 27, 2022
Jan 27, 2022
Jan 27, 2022
Jan 27, 2022
Jan 27, 2022
Jan 27, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 2, 2021
Nov 18, 2021
Nov 18, 2021
Nov 18, 2021
Nov 18, 2021
Nov 3, 2021
Oct 20, 2021
Oct 14, 2021
Oct 14, 2021
Oct 14, 2021
Oct 14, 2021
Oct 14, 2021
Jun 15, 2021
Jun 15, 2021
Jun 7, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 12, 2021
Sep 14, 2020
Aug 6, 2020
Jul 13, 2020
Jul 13, 2020
Jul 13, 2020
Jul 13, 2020
Jul 13, 2020
Jun 8, 2020
Jun 8, 2020
Jun 8, 2020
Jun 8, 2020
Jun 8, 2020
Oct 14, 2019
Oct 14, 2019
Oct 14, 2019
Oct 14, 2019
Oct 14, 2019
Aug 29, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Apr 24, 2019
Apr 24, 2019
Apr 12, 2019
May 29, 2018
May 29, 2018
May 29, 2018
May 29, 2018
May 29, 2018
Dec 4, 2017
Nov 22, 2017
Nov 3, 2017
Nov 2, 2017
Nov 2, 2017
Nov 2, 2017
Nov 2, 2017
Oct 13, 2017
Aug 16, 2017
Jun 27, 2017
May 22, 2017
May 22, 2017
May 22, 2017
May 22, 2017
May 22, 2017
May 22, 2017
May 22, 2017
Sep 11, 2013
Aug 22, 2013