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The patent EP4225075 was granted to Philip Morris on Aug 7, 2024. The application was filed on Oct 8, 2021 under application number EP21789749A. 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 |
|---|---|---|---|
| IMPERIAL TOBACCO | May 7, 2025 | MEWBURN ELLIS | ADMISSIBLE |
| NICOVENTURES | May 7, 2025 | RUSSELL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0822670 |
| DESCRIPTION | WO2015176898 |
| DESCRIPTION | WO2020115151 |
| EXAMINATION | US5692525 |
| INTERNATIONAL-SEARCH-REPORT | EP0836390 |
| INTERNATIONAL-SEARCH-REPORT | EP2797450 |
| INTERNATIONAL-SEARCH-REPORT | WO2020025726 |
| INTERNATIONAL-SEARCH-REPORT | WO2020183175 |
| OPPOSITION | EP0836390 |
| OPPOSITION | TWI605766B |
| OPPOSITION | US2003154991 |
| OPPOSITION | US2008092912 |
| OPPOSITION | US2020113227 |
| OPPOSITION | US5692525 |
| OPPOSITION | WO2009022232 |
| OPPOSITION | WO2012164009 |
| OPPOSITION | WO2013182995 |
| OPPOSITION | WO2014140273 |
| OPPOSITION | WO2017153443 |
| OPPOSITION | WO2017207580 |
| OPPOSITION | WO2019130158 |
| OPPOSITION | WO2020089091 |
| OPPOSITION | WO2020089105 |
| OPPOSITION | WO2020100927 |
| OPPOSITION | WO2020128043 |
| OPPOSITION | WO2020183163 |
| OPPOSITION | WO2020183167 |
| OPPOSITION | WO2020183175 |
| OPPOSITION | WO2021170671 |
| OPPOSITION | WO2021170675 |
| OPPOSITION | WO9639880 |
| OTHER | EP0836390 |
| OTHER | EP2797450 |
| OTHER | US5692525 |
| OTHER | WO2013182995 |
| OTHER | WO2017153443 |
| OTHER | WO2020183167 |
| OTHER | WO2021170638 |
| OTHER | WO2021170640 |
| OTHER | WO2021170649 |
| OTHER | WO2021170650 |
| OTHER | WO2021170671 |
| OTHER | WO2021170677 |
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
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Sep 25, 2025
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Aug 21, 2024
Jul 29, 2024
Jul 11, 2024
Decision to grant a European patent
Search/Exam
Jun 26, 2024
(Electronic) Receipt
Search/Exam
Jun 26, 2024
Filing of the translations of the claims
Search/Exam
Jun 26, 2024
French translation of claims
Search/Exam
Jun 26, 2024
German translation of the claims
Search/Exam
Jun 26, 2024
Letter accompanying subsequently filed items
Search/Exam
Apr 22, 2024
Apr 19, 2024
Apr 13, 2024
Observations by third parties
Search/Exam
Apr 12, 2024
Citation filed by a third party
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Apr 12, 2024
Citation filed by a third party
Search/Exam
Apr 12, 2024
Citation filed by a third party
Search/Exam
Apr 12, 2024
Observations by third parties
Search/Exam
Apr 5, 2024
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Intention to grant (signatures)
Search/Exam
Apr 5, 2024
Text intended for grant (clean copy)
Search/Exam
Apr 5, 2024
Mar 19, 2024
Examination started
Search/Exam
Aug 22, 2023
(Electronic) Receipt
Search/Exam
Aug 22, 2023
Aug 22, 2023
Amended claims with annotations
Search/Exam
Aug 22, 2023
Aug 22, 2023
Amended description with annotations
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Aug 22, 2023
Amendments received before examination
Search/Exam
Aug 22, 2023
Letter accompanying subsequently filed items
Search/Exam
Aug 21, 2023
(Electronic) Receipt
PCTRO
Aug 21, 2023
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May 9, 2023
Priority search results copy provided by EPO
Search/Exam
May 9, 2023
Priority search results copy provided by EPO
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Priority search results copy provided by EPO
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May 9, 2023
Priority search results copy provided by EPO
Search/Exam
May 9, 2023
Priority search results copy provided by EPO
Search/Exam
May 9, 2023
Priority search results copy provided by EPO
Search/Exam
Apr 17, 2023
Apr 17, 2023
Mar 31, 2023
(Electronic) Receipt
Search/Exam
Mar 31, 2023
Request for entry into the European phase
Search/Exam
Feb 17, 2023
Information on entry into European phase
Search/Exam
Jan 19, 2023
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Sep 1, 2022
Notification of election of EPO
Search/Exam
Aug 31, 2022
Written opinion
PCT2
Aug 31, 2022
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PCT demand form
PCT2
Aug 4, 2022
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Apr 14, 2022
Copy of the international search report
Search/Exam
Apr 14, 2022
Published international application - A1
Search/Exam
Oct 27, 2021
Oct 8, 2021
(Electronic) Receipt
PCTRO
Oct 8, 2021
Abstract
PCTRO
Oct 8, 2021
Claims
PCTRO
Oct 8, 2021
Description
PCTRO
Oct 8, 2021
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Drawings
PCTRO
Oct 8, 2021