Patent No. EP3675660 (titled "Aerosol-Generating Article Having Mouthpiece With Upstream Cavity") was filed by Philip Morris on Nov 27, 2018. The application was issued on Jan 5, 2022.

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 |
|---|---|---|
| IMPERIAL TOBACCO | Oct 5, 2022 | MEWBURN ELLIS |
| NICOVENTURES | Oct 5, 2022 | HARRISON |
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 10, 2025
Nov 10, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Oct 16, 2025
Oct 16, 2025
Oct 16, 2025
Oct 13, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 3, 2025
Sep 3, 2025
Sep 3, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Mar 18, 2025
Mar 12, 2025
Mar 12, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Jan 23, 2025
Jan 22, 2025
Jan 22, 2025
Jan 22, 2025
Jan 22, 2025
Jan 22, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
Aug 8, 2023
Aug 4, 2023
Aug 1, 2023
Aug 1, 2023
Aug 1, 2023
Apr 20, 2023
Apr 20, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Mar 7, 2023
Mar 7, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 24, 2023
Feb 24, 2023
Feb 24, 2023
Nov 30, 2022
Nov 30, 2022
Nov 28, 2022
Nov 17, 2022
Nov 17, 2022
Nov 17, 2022
Nov 9, 2022
Nov 9, 2022
Nov 4, 2022
Nov 4, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 20, 2022
Oct 20, 2022
Oct 20, 2022
Oct 18, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Jan 18, 2022
Dec 9, 2021
Nov 4, 2021
Nov 4, 2021
Nov 4, 2021
Nov 4, 2021
Nov 4, 2021
Jun 24, 2021
Jun 24, 2021
Jun 24, 2021
Jun 24, 2021
Jun 24, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Dec 18, 2020
Dec 14, 2020
Dec 14, 2020
Dec 14, 2020
Nov 3, 2020
Nov 3, 2020
Aug 4, 2020
Aug 4, 2020
Jul 29, 2020
Jun 17, 2020
Jun 10, 2020
Apr 14, 2020
Apr 14, 2020
Apr 14, 2020
Apr 7, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Jun 24, 2019
Jun 6, 2019
Jun 6, 2019
Jun 6, 2019
Feb 11, 2019
Feb 8, 2019
Feb 8, 2019
Feb 8, 2019
Dec 6, 2018
Dec 5, 2018
Nov 30, 2018
Nov 27, 2018
Nov 27, 2018
Nov 27, 2018
Nov 27, 2018
Nov 27, 2018
Nov 27, 2018
Nov 27, 2018
Nov 27, 2018