Patent No. EP3386322 (titled "Tobacco Composition") was filed by British American Tobacco on Dec 7, 2016. The application was issued on Nov 8, 2023.

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 |
|---|---|---|
| JAPAN TOBACCO | Aug 8, 2024 | BANDPAY & GREUTER |
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
Jan 22, 2026
Jan 22, 2026
Jan 22, 2026
Jan 22, 2026
Jan 22, 2026
Jan 22, 2026
Jan 22, 2026
Jan 22, 2026
Jan 22, 2026
Jan 22, 2026
Jan 22, 2026
Jan 22, 2026
Jan 22, 2026
Jan 22, 2026
Jan 13, 2026
Dec 8, 2025
Nov 19, 2025
Nov 13, 2025
Nov 13, 2025
Nov 13, 2025
Nov 13, 2025
Nov 13, 2025
Nov 13, 2025
Nov 13, 2025
Nov 13, 2025
Nov 13, 2025
Nov 13, 2025
Oct 29, 2025
Oct 22, 2025
Oct 22, 2025
Oct 22, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Dec 23, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Aug 21, 2024
Aug 21, 2024
Aug 14, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Nov 21, 2023
Oct 12, 2023
Sep 27, 2023
Sep 27, 2023
Sep 27, 2023
Sep 27, 2023
Sep 27, 2023
May 19, 2023
May 19, 2023
May 19, 2023
May 19, 2023
May 19, 2023
May 19, 2023
Jan 15, 2021
Jan 13, 2021
Jan 12, 2021
Jan 12, 2021
Dec 23, 2020
Dec 15, 2020
Dec 15, 2020
Dec 11, 2020
Dec 11, 2020
Dec 11, 2020
Dec 9, 2020
Dec 9, 2020
Dec 9, 2020
Dec 8, 2020
Dec 1, 2020
Nov 25, 2020
Nov 25, 2020
Oct 9, 2020
Oct 9, 2020
Oct 9, 2020
Aug 18, 2020
Aug 18, 2020
Aug 11, 2020
Jan 29, 2019
Jan 29, 2019
Jan 29, 2019
Sep 19, 2018
Aug 9, 2018
Jul 31, 2018
Jul 19, 2018
Jul 17, 2018
Jun 26, 2018
May 23, 2018
May 23, 2018
Apr 23, 2018
Jul 4, 2017
Jun 15, 2017
Jun 15, 2017
Mar 17, 2017
Mar 17, 2017
Mar 17, 2017
Dec 16, 2016
Dec 7, 2016
Dec 7, 2016
Dec 7, 2016
Dec 7, 2016
Dec 7, 2016
Dec 7, 2016
Dec 7, 2016