Patent No. EP3547861 (titled "Combination Vaporizer") was filed by VMR Products on Dec 1, 2017. The application was issued on Jan 20, 2021.

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 |
|---|---|---|
| SMOKELESSWORLD | Oct 20, 2021 | STELLBRINK & 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
Feb 6, 2026
Feb 6, 2026
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 31, 2025
Oct 14, 2025
Oct 13, 2025
Oct 9, 2025
Oct 9, 2025
Oct 9, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 9, 2025
Sep 3, 2025
Sep 3, 2025
Sep 3, 2025
Aug 20, 2025
Aug 20, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 14, 2025
Aug 13, 2025
Aug 13, 2025
Aug 13, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
May 3, 2024
May 3, 2024
May 3, 2024
May 3, 2024
May 3, 2024
May 3, 2024
May 3, 2024
Apr 5, 2024
Apr 5, 2024
Mar 14, 2024
Mar 8, 2024
Mar 8, 2024
Mar 8, 2024
Mar 8, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Sep 14, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Jul 18, 2022
Jul 12, 2022
Jul 12, 2022
Jul 12, 2022
Jun 15, 2022
Jun 9, 2022
Jun 9, 2022
Jun 9, 2022
Apr 14, 2022
Apr 8, 2022
Apr 8, 2022
Apr 8, 2022
Dec 1, 2021
Dec 1, 2021
Nov 25, 2021
Nov 25, 2021
Nov 25, 2021
Nov 25, 2021
Nov 25, 2021
Nov 25, 2021
Oct 26, 2021
Oct 26, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 20, 2021
Oct 1, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Feb 1, 2021
Jan 11, 2021
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Apr 28, 2020
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
Jan 28, 2020
Sep 11, 2019
Jul 18, 2019
Jul 5, 2019
Jul 5, 2019
Jul 5, 2019
Jul 5, 2019
Jul 4, 2019
Jun 19, 2019
Jun 13, 2019
Jun 13, 2019
Jun 13, 2019
Apr 12, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Jun 26, 2018
Jun 26, 2018
Jun 7, 2018
Jun 7, 2018
Mar 9, 2018
Mar 6, 2018
Mar 6, 2018
Mar 6, 2018
Jan 29, 2018
Jan 16, 2018
Jan 16, 2018
Jan 16, 2018
Jan 16, 2018
Jan 16, 2018
Jan 16, 2018
Jan 16, 2018
Jan 16, 2018
Jan 16, 2018
Jan 16, 2018