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The patent EP3311681 was granted to Philip Morris on Sep 24, 2025. The application was filed on Mar 28, 2014 under application number EP17184107A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | Jun 19, 2020 | HARRISON | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP2856891 |
| EXAMINATION | WO2013068081 |
| EXAMINATION | WO2013179524 |
| OPPOSITION | EP2856890 |
| OPPOSITION | EP2856891 |
| OPPOSITION | EP2932860 |
| OPPOSITION | US2005066982 |
| OPPOSITION | US2011271968 |
| OPPOSITION | US2755206 |
| OPPOSITION | US6502582 |
| OPPOSITION | US7243659 |
| OPPOSITION | WO2006082529 |
| OPPOSITION | WO2006117697 |
| OPPOSITION | WO2009093051 |
| OPPOSITION | WO2011024068 |
| OPPOSITION | WO2011140430 |
| OPPOSITION | WO2012156705 |
| OPPOSITION | WO2013068081 |
| OPPOSITION | WO2015036454 |
| OTHER | US2005066982 |
| OTHER | US2755206 |
| OTHER | US7243659 |
| SEARCH | EP0649607 |
| SEARCH | EP2932860 |
| SEARCH | GB1204018 |
| SEARCH | US2011162662 |
| SEARCH | WO2009093051 |
| SEARCH | WO2010115829 |
| SEARCH | WO2012132009 |
| SEARCH | WO2012156705 |
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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Aug 28, 2025
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Refund of fees
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
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Claims
Appeal
May 19, 2023
Claims
Appeal
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Reply to appeal
Appeal
Jan 23, 2023
Refund of fees
Search/Exam
Jan 20, 2023
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Notice of appeal
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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OPPO
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Decision to grant a European patent
Search/Exam
Apr 7, 2020
(Electronic) Receipt
Search/Exam
Apr 7, 2020
Filing of the translations of the claims
Search/Exam
Apr 7, 2020
French translation of claims
Search/Exam
Apr 7, 2020
German translation of the claims
Search/Exam
Apr 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 19, 2020
Mar 19, 2020
Mar 19, 2020
Intention to grant (signatures)
Search/Exam
Mar 19, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 19, 2020
Jan 14, 2020
(Electronic) Receipt
Search/Exam
Jan 14, 2020
Claims
Search/Exam
Jan 14, 2020
Description
Search/Exam
Jan 14, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 14, 2020
Sep 12, 2019
Annex to the communication
Search/Exam
Sep 12, 2019
Communication from the Examining Division
Search/Exam
Jul 18, 2019
(Electronic) Receipt
Search/Exam
Jul 18, 2019
Amended description with annotations
Search/Exam
Jul 18, 2019
Claims
Search/Exam
Jul 18, 2019
Description
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Jul 18, 2019
Letter accompanying subsequently filed items
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Jul 18, 2019
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Mar 26, 2019
(Electronic) Receipt
Search/Exam
Mar 26, 2019
Citation filed by a third party
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Mar 26, 2019
Citation filed by a third party
Search/Exam
Mar 26, 2019
Citation filed by a third party
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Mar 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 26, 2019
Observations by third parties
Search/Exam
Mar 18, 2019
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Intention to grant (signatures)
Search/Exam
Mar 18, 2019
Text intended for grant (clean copy)
Search/Exam
Mar 18, 2019
Feb 20, 2019
Examination started
Search/Exam
Jan 7, 2019
Dec 21, 2018
Observations by third parties
Search/Exam
Dec 21, 2018
Patent document filed by a Third party
Search/Exam
Dec 21, 2018
Patent document filed by a Third party
Search/Exam
Dec 21, 2018
Patent document filed by a Third party
Search/Exam
Oct 25, 2018
(Electronic) Receipt
Search/Exam
Oct 25, 2018
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Amended claims with annotations
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Oct 25, 2018
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Amended description with annotations
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Oct 25, 2018
Amendments received before examination
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Oct 25, 2018
Letter accompanying subsequently filed items
Search/Exam
May 2, 2018
Apr 5, 2018
Refund of fees
Search/Exam
Mar 28, 2018
Notification of forthcoming publication
Search/Exam
Mar 26, 2018
Mar 26, 2018
European search opinion
Search/Exam
Mar 26, 2018
European search report
Search/Exam
Mar 26, 2018
Information on Search Strategy
Search/Exam
Feb 22, 2018
Search started
Search/Exam
Nov 17, 2017
Communication to designated inventor
Search/Exam
Oct 27, 2017
(Electronic) Receipt
Search/Exam
Oct 27, 2017
Designation of inventor
Search/Exam
Oct 27, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 20, 2017
Deficiency in designation of inventor
Search/Exam
Sep 13, 2017
Priority search results copy provided by EPO
Search/Exam
Jul 31, 2017
Abstract
Search/Exam
Jul 31, 2017
Jul 31, 2017
Claims
Search/Exam
Jul 31, 2017
Description
Search/Exam
Jul 31, 2017
Drawings
Search/Exam
Jul 31, 2017
Request for grant of a European patent
Search/Exam
Nov 4, 2015
Priority search results copy provided by EPO
Search/Exam
Oct 22, 2014