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The patent EP3075271 was granted to Fontem on Sep 14, 2022. The application was filed on Apr 2, 2015 under application number EP15162407A. 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 |
|---|---|---|---|
| JAPAN TOBACCO | Apr 18, 2019 | LANG | ADMISSIBLE |
| NICOVENTURES | Apr 18, 2019 | D YOUNG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN203986095U |
| OPPOSITION | CN203986096U |
| OPPOSITION | EP0706352 |
| OPPOSITION | EP2607524 |
| OPPOSITION | EP2633875 |
| OPPOSITION | KR101186229B |
| OPPOSITION | KR20090009075U |
| OPPOSITION | US2004089295 |
| OPPOSITION | US2005016550 |
| OPPOSITION | US2005067503 |
| OPPOSITION | US2008308096 |
| OPPOSITION | US2011041840 |
| OPPOSITION | US2014060554 |
| OPPOSITION | US2015027470 |
| OPPOSITION | US2015034103 |
| OPPOSITION | US5586550 |
| OPPOSITION | WO2013089358 |
| OPPOSITION | WO2014037794 |
| OPPOSITION | WO2014079024 |
| OPPOSITION | WO2014153515 |
| OPPOSITION | WO2015066121 |
| SEARCH | US2005016550 |
| SEARCH | US2015027470 |
| SEARCH | WO2014153515 |
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 19, 2022
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Appeal
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Appeal
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Appeal
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
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Filing of the translations of the claims
Search/Exam
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French translation of claims
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German translation of the claims
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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Feb 15, 2018
Text intended for grant (clean copy)
Search/Exam
Feb 15, 2018
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Annex to the communication
Search/Exam
Jan 24, 2018
Consultation by telephone/in person
Search/Exam
Jan 24, 2018
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Search/Exam
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
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Amended description with annotations
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Mar 20, 2017
Letter accompanying subsequently filed items
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Notification of forthcoming publication
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European search opinion
Search/Exam
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European search report
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Search started
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May 27, 2015
Communication to designated inventor
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May 27, 2015
Communication to designated inventor
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(Electronic) Receipt
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May 11, 2015
Letter accompanying subsequently filed items
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Abstract
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Claims
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Description
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Apr 2, 2015
Request for grant of a European patent
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