The weekly litigation news digest is live. Subscribe now
The patent EP3941267 was granted to Imperial Tobacco on May 15, 2024. The application was filed on Mar 13, 2020 under application number EP20715718A. 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 |
|---|---|---|---|
| PHILIP MORRIS | Feb 10, 2025 | MAIWALD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2003154991 |
| INTERNATIONAL-SEARCH-REPORT | US2014096781 |
| INTERNATIONAL-SEARCH-REPORT | US2016374397 |
| INTERNATIONAL-SEARCH-REPORT | WO2013098397 |
| OPPOSITION | DE102017111119 |
| OPPOSITION | EP3243394 |
| OPPOSITION | US2003154991 |
| OPPOSITION | US2014020693 |
| OPPOSITION | US2014096781 |
| OPPOSITION | US2014096782 |
| OPPOSITION | US2014345635 |
| OPPOSITION | US2016053988 |
| OPPOSITION | US2016157524 |
| OPPOSITION | US2016374397 |
| OPPOSITION | US2017023952 |
| OPPOSITION | US2017106153 |
| OPPOSITION | US2018020735 |
| OPPOSITION | US2018206556 |
| OPPOSITION | US2018270311 |
| OPPOSITION | US2018360116 |
| OPPOSITION | US2019008209 |
| OPPOSITION | US2019059446 |
| OPPOSITION | WO2013098397 |
| OPPOSITION | WO2015052513 |
| OPPOSITION | WO2016001923 |
| OPPOSITION | WO2018083007 |
| OPPOSITION | WO2018096000 |
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
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Jul 9, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Mar 4, 2025
Mar 4, 2025
Feb 13, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
May 28, 2024
Apr 18, 2024
Decision to grant a European patent
Search/Exam
Feb 23, 2024
Decision to allow further processing
Search/Exam
Feb 8, 2024
(Electronic) Receipt
Search/Exam
Feb 8, 2024
French translation of claims
Search/Exam
Feb 8, 2024
German translation of the claims
Search/Exam
Feb 8, 2024
Letter accompanying subsequently filed items
Search/Exam
Feb 8, 2024
Request for further processing
Search/Exam
Dec 12, 2023
Aug 28, 2023
Aug 23, 2023
Annexes in respect of a client data request
Search/Exam
Aug 23, 2023
Annexes in respect of a client data request
Search/Exam
Aug 23, 2023
Letter accompanying subsequently filed items
Search/Exam
Aug 23, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Intention to grant (signatures)
Search/Exam
Jul 10, 2023
Text intended for grant (clean copy)
Search/Exam
Jul 10, 2023
May 30, 2023
Examination started
Search/Exam
Apr 26, 2022
(Electronic) Receipt
Search/Exam
Apr 26, 2022
Apr 26, 2022
Amended claims with annotations
Search/Exam
Apr 26, 2022
Apr 26, 2022
Amended description with annotations
Search/Exam
Apr 26, 2022
Amendments received before examination
Search/Exam
Apr 26, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 5, 2022
Oct 29, 2021
Oct 22, 2021
Priority search results copy provided by EPO
Search/Exam
Oct 11, 2021
Sep 23, 2021
(Electronic) Receipt
Search/Exam
Sep 23, 2021
Request for entry into the European phase
Search/Exam
Aug 6, 2021
Information on entry into European phase
Search/Exam
Oct 19, 2020
Oct 1, 2020
Copy of the international search report
Search/Exam
Oct 1, 2020
Published international application - A1
Search/Exam
Apr 8, 2020
(Electronic) Receipt
PCTRO
Apr 8, 2020
Mar 19, 2020
Mar 13, 2020
(Electronic) Receipt
PCTRO
Mar 13, 2020
Abstract
PCTRO
Mar 13, 2020
Claims
PCTRO
Mar 13, 2020
Description
PCTRO
Mar 13, 2020
Mar 13, 2020
Drawings
PCTRO
Mar 13, 2020