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The patent EP3508084 was granted to Japan Tobacco on Oct 4, 2023. The application was filed on Aug 23, 2011 under application number EP19158512A. 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 | Jul 3, 2024 | D YOUNG | ADMISSIBLE |
| PHILIP MORRIS | Jun 28, 2024 | GRUNECKER | ADMISSIBLE |
| PHILIP MORRIS | Jun 28, 2024 | GRUNECKER PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CA2641869 |
| OPPOSITION | CA3040282 |
| OPPOSITION | CN101518361 |
| OPPOSITION | CN201051862Y |
| OPPOSITION | CN201064185Y |
| OPPOSITION | EP2982255 |
| OPPOSITION | KR100469625B |
| OPPOSITION | KR200239085Y |
| OPPOSITION | KR20100035492 |
| OPPOSITION | KR20100080308 |
| OPPOSITION | KR20100097807 |
| OPPOSITION | US2005016550 |
| OPPOSITION | US2007074734 |
| OPPOSITION | US2010242974 |
| OPPOSITION | WO2012027350 |
| OTHER | CA2641869 |
| OTHER | US2007074734 |
| SEARCH | CA2641869 |
| SEARCH | US2007074734 |
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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Description
OPPO
Sep 29, 2025
Description
OPPO
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Description
OPPO
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Description
OPPO
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OPPO
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OPPO
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OPPO
Sep 29, 2025
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OPPO
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OPPO
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OPPO
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Oct 17, 2023
Sep 7, 2023
Decision to grant a European patent
Search/Exam
Aug 10, 2023
(Electronic) Receipt
Search/Exam
Aug 10, 2023
Filing of the translations of the claims
Search/Exam
Aug 10, 2023
French translation of claims
Search/Exam
Aug 10, 2023
German translation of the claims
Search/Exam
Aug 10, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 11, 2023
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Intention to grant (signatures)
Search/Exam
Apr 11, 2023
Text intended for grant (clean copy)
Search/Exam
Apr 11, 2023
Jan 12, 2023
(Electronic) Receipt
Search/Exam
Jan 12, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 12, 2023
Nov 3, 2022
Annex to the communication
Search/Exam
Nov 3, 2022
Communication from the Examining Division
Search/Exam
Sep 30, 2021
(Electronic) Receipt
Search/Exam
Sep 30, 2021
Amended claims with annotations
Search/Exam
Sep 30, 2021
Claims
Search/Exam
Sep 30, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 30, 2021
May 25, 2021
Annex to the communication
Search/Exam
May 25, 2021
Communication from the Examining Division
Search/Exam
May 17, 2021
(Electronic) Receipt
Search/Exam
May 17, 2021
Filing of the translations of the claims
Search/Exam
May 17, 2021
French translation of claims
Search/Exam
May 17, 2021
German translation of the claims
Search/Exam
May 17, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 13, 2021
Mar 15, 2021
Mar 9, 2021
(Electronic) Receipt
Search/Exam
Mar 9, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 9, 2021
Observations by third parties
Search/Exam
Jan 14, 2021
Jan 14, 2021
Jan 14, 2021
Intention to grant (signatures)
Search/Exam
Jan 14, 2021
Text intended for grant (clean copy)
Search/Exam
Jan 14, 2021
Nov 30, 2020
Examination started
Search/Exam
Jul 28, 2020
Jun 29, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 29, 2020
Dec 30, 2019
(Electronic) Receipt
Search/Exam
Dec 30, 2019
Dec 30, 2019
Amended description with annotations
Search/Exam
Dec 30, 2019
Amendments received before examination
Search/Exam
Dec 30, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 15, 2019
Jun 13, 2019
Notification of forthcoming publication
Search/Exam
Apr 25, 2019
Refund of fees
Search/Exam
Apr 16, 2019
Communication to designated inventor
Search/Exam
Apr 12, 2019
Apr 12, 2019
European search opinion
Search/Exam
Apr 12, 2019
European search report
Search/Exam
Apr 12, 2019
Information on Search Strategy
Search/Exam
Apr 5, 2019
Search started
Search/Exam
Feb 21, 2019
Abstract
Search/Exam
Feb 21, 2019
Feb 21, 2019
Claims
Search/Exam
Feb 21, 2019
Description
Search/Exam
Feb 21, 2019
Designation of inventor
Search/Exam
Feb 21, 2019
Drawings
Search/Exam
Feb 21, 2019
Request for grant of a European patent
Search/Exam
Mar 26, 2012