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The patent EP3846643 was granted to Philip Morris on Nov 2, 2022. The application was filed on Sep 6, 2019 under application number EP19766221A. 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 |
|---|---|---|---|
| NICOVENTURES | Aug 2, 2023 | HARRISON | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US9072321 |
| INTERNATIONAL-SEARCH-REPORT | US2014261486 |
| INTERNATIONAL-SEARCH-REPORT | US2015027469 |
| INTERNATIONAL-SEARCH-REPORT | US2018007966 |
| INTERNATIONAL-SEARCH-REPORT | WO2017093358 |
| OPPOSITION | EP0532329 |
| OPPOSITION | EP0569964 |
| OPPOSITION | EP2520186 |
| OPPOSITION | US2013192620 |
| OPPOSITION | US2014261486 |
| OPPOSITION | US2018007966 |
| OPPOSITION | US4807809 |
| OPPOSITION | US5060669 |
| OPPOSITION | US5685323 |
| OPPOSITION | WO2007039794 |
| OPPOSITION | WO2015013135 |
| OPPOSITION | WO2017093358 |
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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Dec 4, 2025
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(Electronic) Receipt
Appeal
Nov 21, 2025
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Notice of appeal
Appeal
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OPPO
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Oct 7, 2022
Decision to grant a European patent
Search/Exam
Sep 9, 2022
(Electronic) Receipt
Search/Exam
Sep 9, 2022
Filing of the translations of the claims
Search/Exam
Sep 9, 2022
French translation of claims
Search/Exam
Sep 9, 2022
German translation of the claims
Search/Exam
Sep 9, 2022
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
May 18, 2022
Text intended for grant (clean copy)
Search/Exam
May 18, 2022
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Examination started
Search/Exam
Oct 25, 2021
(Electronic) Receipt
Search/Exam
Oct 25, 2021
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Amended claims with annotations
Search/Exam
Oct 25, 2021
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Amended description with annotations
Search/Exam
Oct 25, 2021
Amendments received before examination
Search/Exam
Oct 25, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 9, 2021
(Electronic) Receipt
Search/Exam
Sep 9, 2021
Letter concerning fees and payments
Search/Exam
Jun 16, 2021
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(Electronic) Receipt
Search/Exam
Mar 5, 2021
Request for entry into the European phase
Search/Exam
Jan 15, 2021
Information on entry into European phase
Search/Exam
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Notification of election of EPO
Search/Exam
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PCT demand form
PCT2
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Copy of the international search report
Search/Exam
Mar 12, 2020
Published international application - A1
Search/Exam
Sep 24, 2019
Sep 6, 2019
(Electronic) Receipt
PCTRO
Sep 6, 2019
Abstract
PCTRO
Sep 6, 2019
Claims
PCTRO
Sep 6, 2019
Description
PCTRO
Sep 6, 2019
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Drawings
PCTRO
Sep 6, 2019