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The patent EP2789250 was granted to Fontem on Dec 26, 2018. The application was filed on May 15, 2007 under application number EP14155503A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| ADARES PATENT UND RECHTSANWALTE REININGER & PARTNER | Sep 26, 2019 | - | ADMISSIBLE |
| JOYETECH DEUTSCHLAND | Sep 26, 2019 | HERMANN | ADMISSIBLE |
| PHILIP MORRIS | Sep 26, 2019 | GRITSCHNEDER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN2719043Y |
| OPPOSITION | CN2777995Y |
| OPPOSITION | EP0125210 |
| OPPOSITION | EP0703735 |
| OPPOSITION | EP0845220 |
| OPPOSITION | EP0893071 |
| OPPOSITION | EP1736065 |
| OPPOSITION | EP2018886 |
| OPPOSITION | EP2022349 |
| OPPOSITION | EP2022350 |
| OPPOSITION | EP2789250 |
| OPPOSITION | JPH0593516 |
| OPPOSITION | US1968509 |
| OPPOSITION | US2057353 |
| OPPOSITION | US2104266 |
| OPPOSITION | US3934117 |
| OPPOSITION | US4947874 |
| OPPOSITION | US4981522 |
| OPPOSITION | US5117482 |
| OPPOSITION | US5144962 |
| OPPOSITION | US5512001 |
| OPPOSITION | US6125853 |
| OPPOSITION | US6557552 |
| OPPOSITION | US6681998 |
| OPPOSITION | WO02061701 |
| OPPOSITION | WO2005099494 |
| OPPOSITION | WO2006124757 |
| OPPOSITION | WO2007131449 |
| SEARCH | AU2005232354B |
| SEARCH | EP0845220 |
| SEARCH | EP0893071 |
| SEARCH | EP0897271 |
| SEARCH | US2003108342 |
| SEARCH | US2004089314 |
| SEARCH | US4922901 |
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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Jul 7, 2023
Advice of delivery
Appeal
Jul 7, 2023
Refund of fees
Appeal
Jul 5, 2023
Advice of delivery
Appeal
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(Electronic) Receipt
Appeal
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Withdrawal of an appeal
Appeal
Apr 3, 2023
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Advice of delivery
Appeal
Jan 13, 2023
Advice of delivery
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Dec 28, 2022
Advice of delivery
Appeal
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Appeal
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(Electronic) Receipt
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Oct 28, 2021
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Jan 9, 2019
Nov 29, 2018
Decision to grant a European patent
Search/Exam
Nov 12, 2018
(Electronic) Receipt
Search/Exam
Nov 12, 2018
Filing of the translations of the claims
Search/Exam
Nov 12, 2018
French translation of claims
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Nov 12, 2018
German translation of the claims
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Nov 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 11, 2018
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Intention to grant (signatures)
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Jul 11, 2018
Text intended for grant (clean copy)
Search/Exam
Jul 11, 2018
Feb 26, 2018
(Electronic) Receipt
Search/Exam
Feb 26, 2018
Amended claims with annotations
Search/Exam
Feb 26, 2018
Amended description with annotations
Search/Exam
Feb 26, 2018
Claims
Search/Exam
Feb 26, 2018
Description
Search/Exam
Feb 26, 2018
Drawings
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Feb 26, 2018
Letter accompanying subsequently filed items
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Feb 26, 2018
Oct 25, 2017
Annex to the communication
Search/Exam
Oct 25, 2017
Communication from the Examining Division
Search/Exam
Oct 19, 2017
Examination started
Search/Exam
Jul 26, 2017
Sep 21, 2015
(Electronic) Receipt
Search/Exam
Sep 21, 2015
Letter accompanying subsequently filed items
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Sep 21, 2015
Priority search results
Search/Exam
Sep 21, 2015
Sep 17, 2015
Sep 4, 2015
(Electronic) Receipt
Search/Exam
Sep 4, 2015
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Amended claims with annotations
Search/Exam
Sep 4, 2015
Amendments received before examination
Search/Exam
Sep 4, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 15, 2015
Refund of fees
Search/Exam
Mar 9, 2015
Feb 3, 2015
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European search opinion
Search/Exam
Feb 3, 2015
European search report
Search/Exam
Oct 31, 2014
(Electronic) Receipt
Search/Exam
Oct 31, 2014
Letter concerning search matters
Search/Exam
Sep 17, 2014
Notification of forthcoming publication
Search/Exam
Sep 1, 2014
Sep 1, 2014
Partial European search report
Search/Exam
Jul 30, 2014
(Electronic) Receipt
Search/Exam
Jul 30, 2014
Jul 30, 2014
Jul 30, 2014
Letter accompanying subsequently filed items
Search/Exam
Jul 30, 2014
Jul 29, 2014
Search started
Search/Exam
Jul 22, 2014
Invitation to file an authorisation
Search/Exam
Jul 18, 2014
Jul 2, 2014
Letter accompanying subsequently filed items
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Jul 2, 2014
Letter accompanying subsequently filed items
Search/Exam
Jul 2, 2014
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Jun 26, 2014
(Electronic) Receipt
Search/Exam
Jun 26, 2014
Letter accompanying subsequently filed items
Search/Exam
Jun 26, 2014
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Jun 24, 2014
(Electronic) Receipt
Search/Exam
Jun 24, 2014
Abstract
Search/Exam
Jun 24, 2014
Annex
Search/Exam
Jun 24, 2014
Letter accompanying subsequently filed items
Search/Exam
Jun 24, 2014
May 23, 2014
Apr 30, 2014
Matter concerning the application
Search/Exam
Apr 30, 2014
Previously filed application
Search/Exam
Apr 11, 2014
Communication to designated inventor
Search/Exam
Mar 12, 2014
Feb 18, 2014
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Annex
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Feb 18, 2014
Claims
Search/Exam
Feb 18, 2014
Description
Search/Exam
Feb 18, 2014
Designation of inventor
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Feb 18, 2014
Drawings
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Feb 18, 2014
Request for grant of a European patent
Search/Exam
Nov 22, 2007