The weekly litigation news digest is live. Subscribe now
The patent EP3809884 was granted to NCP Nextgen on Sep 21, 2022. The application was filed on Jun 5, 2020 under application number EP20758114A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 | Opposition Status |
|---|---|---|---|
| BRITISH AMERICAN TOBACCO | Jun 16, 2023 | D YOUNG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2692254 |
| DESCRIPTION | GB673587 |
| DESCRIPTION | US5167244 |
| DESCRIPTION | WO2008152469 |
| INTERNATIONAL-SEARCH-REPORT | US2008302682 |
| INTERNATIONAL-SEARCH-REPORT | US2016165953 |
| INTERNATIONAL-SEARCH-REPORT | WO2007084587 |
| INTERNATIONAL-SEARCH-REPORT | WO2018197454 |
| OPPOSITION | CN108285441 |
| OPPOSITION | EP3868222 |
| OPPOSITION | US2004123873 |
| OPPOSITION | US2011232662 |
| OPPOSITION | US2015230515 |
| OPPOSITION | US2016165953 |
| OPPOSITION | US2018140007 |
| OPPOSITION | WO2011127182 |
| OPPOSITION | WO2015067372 |
| OPPOSITION | WO2015193379 |
| OPPOSITION | WO2018197454 |
| OPPOSITION | WO2019110076 |
| OPPOSITION | WO2020157280 |
| OPPOSITION | WO2021048792 |
| OPPOSITION | WO2021053078 |
| OPPOSITION | WO2021086367 |
| OPPOSITION | WO2021116841 |
| OPPOSITION | WO2021116919 |
| OPPOSITION | WO2021220898 |
| OPPOSITION | WO2021225509 |
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 4, 2025
Dec 4, 2025
Nov 24, 2025
Nov 20, 2025
(Electronic) Receipt
Appeal
Nov 20, 2025
Nov 20, 2025
Oct 14, 2025
Oct 14, 2025
Oct 9, 2025
Oct 8, 2025
Sep 25, 2025
Sep 25, 2025
Jul 17, 2025
Jul 17, 2025
Jul 14, 2025
(Electronic) Receipt
Appeal
Jul 14, 2025
(Electronic) Receipt
Appeal
Jul 14, 2025
(Electronic) Receipt
Appeal
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Reply to appeal
Appeal
Mar 12, 2025
Mar 7, 2025
(Electronic) Receipt
Appeal
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 16, 2025
Jan 16, 2025
Jan 15, 2025
Jan 7, 2025
Jan 7, 2025
(Electronic) Receipt
Appeal
Jan 7, 2025
Jan 7, 2025
Notice of appeal
Appeal
Jan 7, 2025
Notice of appeal
Appeal
Jan 7, 2025
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Means of redress
Search/Exam
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Sep 17, 2024
Sep 17, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 10, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Jul 23, 2024
Jul 23, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jan 4, 2024
Jan 4, 2024
Jan 4, 2024
Dec 22, 2023
Dec 22, 2023
Dec 22, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Nov 17, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Nov 14, 2023
Jul 18, 2023
Jul 18, 2023
Jul 13, 2023
Jul 5, 2023
Jul 5, 2023
Jul 5, 2023
Jul 5, 2023
Jul 5, 2023
Jun 22, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Oct 5, 2022
Aug 25, 2022
Decision to grant a European patent
Search/Exam
Aug 15, 2022
(Electronic) Receipt
Search/Exam
Aug 15, 2022
Filing of the translations of the claims
Search/Exam
Aug 15, 2022
French translation of claims
Search/Exam
Aug 15, 2022
German translation of the claims
Search/Exam
Aug 15, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2022
Aug 1, 2022
(Electronic) Receipt
Search/Exam
Aug 1, 2022
Annexes in respect of a client data request
Search/Exam
Aug 1, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 1, 2022
Jul 27, 2022
Jul 14, 2022
(Electronic) Receipt
Search/Exam
Jul 14, 2022
Annexes in respect of a client data request
Search/Exam
Jul 14, 2022
Jul 14, 2022
Jul 14, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 14, 2022
Jul 7, 2022
(Electronic) Receipt
Search/Exam
Jul 7, 2022
Apr 6, 2022
Apr 6, 2022
Apr 6, 2022
Intention to grant (signatures)
Search/Exam
Apr 6, 2022
Text intended for grant (clean copy)
Search/Exam
Apr 6, 2022
Feb 15, 2022
(Electronic) Receipt
Search/Exam
Feb 15, 2022
Amended description with annotations
Search/Exam
Feb 15, 2022
Description
Search/Exam
Feb 15, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 15, 2022
Feb 3, 2022
Annex to the communication
Search/Exam
Feb 3, 2022
Feb 3, 2022
Dec 22, 2021
(Electronic) Receipt
Search/Exam
Dec 22, 2021
Amended description with annotations
Search/Exam
Dec 22, 2021
Description
Search/Exam
Dec 22, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 22, 2021
Dec 20, 2021
Nov 25, 2021
Nov 25, 2021
Notification of the recording of a change
Search/Exam
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Intention to grant (signatures)
Search/Exam
Nov 5, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 5, 2021
Jul 6, 2021
(Electronic) Receipt
Search/Exam
Jul 6, 2021
Amended description with annotations
Search/Exam
Jul 6, 2021
Description
Search/Exam
Jul 6, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 6, 2021
Jun 22, 2021
Annex to the communication
Search/Exam
Jun 22, 2021
Communication from the Examining Division
Search/Exam
Jun 16, 2021
Examination started
Search/Exam
Mar 31, 2021
Jan 29, 2021
Communication to designated inventor
Search/Exam
Jan 29, 2021
Communication to designated inventor
Search/Exam
Jan 29, 2021
Communication to designated inventor
Search/Exam
Jan 29, 2021
Communication to designated inventor
Search/Exam
Jan 29, 2021
Jan 22, 2021
(Electronic) Receipt
Search/Exam
Jan 22, 2021
Jan 22, 2021
Amended claims with annotations
Search/Exam
Jan 22, 2021
Amendments received before examination
Search/Exam
Jan 22, 2021
Request for entry into the European phase
Search/Exam
Jan 11, 2021
Jan 11, 2021
Jan 11, 2021
Jan 11, 2021
Dec 10, 2020
Copy of the international search report
Search/Exam
Dec 10, 2020
Published international application - A1
Search/Exam
Oct 7, 2020
ISR: cited documents
PCTISA
Oct 7, 2020
Oct 7, 2020
Oct 7, 2020
Sep 4, 2020
Sep 1, 2020
Jul 17, 2020
Jul 8, 2020
Jun 16, 2020
Abstract
PCTISA
Jun 16, 2020
Claims
PCTISA
Jun 16, 2020
Description
PCTISA
Jun 16, 2020