Patent No. EP3404338 (titled "Air Treatment Device And Method Of Operating Said Device") was filed by Schilling Engineering on May 18, 2018. The application was issued on Apr 3, 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 |
|---|---|---|
| WEISS KLIMATECHNIK | Jan 18, 2022 | ADVOTEC |
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 7, 2024
Mar 7, 2024
Feb 23, 2024
Feb 23, 2024
Feb 23, 2024
Feb 23, 2024
Feb 23, 2024
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 13, 2023
Aug 8, 2023
Aug 8, 2023
Aug 8, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Apr 20, 2023
Mar 1, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Feb 15, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Jan 20, 2023
Jan 20, 2023
Dec 14, 2022
Dec 14, 2022
Dec 6, 2022
Dec 6, 2022
Oct 7, 2022
Oct 4, 2022
Oct 4, 2022
Oct 4, 2022
Oct 4, 2022
Oct 4, 2022
Oct 4, 2022
Oct 4, 2022
Oct 4, 2022
Jun 15, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Feb 4, 2022
Feb 4, 2022
Jan 25, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
May 4, 2021
Mar 25, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 5, 2021
Mar 5, 2021
Nov 19, 2020
Nov 19, 2020
Nov 19, 2020
Nov 19, 2020
Nov 19, 2020
Nov 2, 2020
Nov 2, 2020
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Jun 2, 2020
Mar 23, 2020
Mar 23, 2020
May 20, 2019
May 20, 2019
May 20, 2019
May 20, 2019
May 20, 2019
May 14, 2019
May 14, 2019
Nov 26, 2018
Oct 24, 2018
Oct 15, 2018
Oct 15, 2018
Oct 15, 2018
Oct 15, 2018
Oct 1, 2018
Jul 17, 2018
Jul 5, 2018
Jul 5, 2018
May 18, 2018
May 18, 2018
May 18, 2018
May 18, 2018
May 18, 2018
May 18, 2018
May 18, 2018
May 18, 2018