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The patent EP3320792 was granted to Joyetech Changzhou Electronics on Aug 14, 2019. The application was filed on Dec 14, 2012 under application number EP17206828A. 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 |
|---|---|---|---|
| KELTIE | May 14, 2020 | MOORE | ADMISSIBLE |
| WEICKMANN & WEICKMANN | May 10, 2020 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CA2641869 |
| OPPOSITION | CN102727969 |
| OPPOSITION | CN201352950Y |
| OPPOSITION | CN201878765U |
| OPPOSITION | CN202233002U |
| OPPOSITION | CN202303455U |
| OPPOSITION | KR90013211U |
| OPPOSITION | US2003154991 |
| OPPOSITION | US2004129793 |
| OPPOSITION | US2009095287 |
| OPPOSITION | US2009320863 |
| OPPOSITION | US2011265806 |
| OPPOSITION | US5894841 |
| OPPOSITION | US6766220 |
| OPPOSITION | US8212763 |
| OPPOSITION | WO2011137453 |
| OPPOSITION | WO2012026963 |
| OPPOSITION | WO2012085203 |
| OPPOSITION | WO2014075369 |
| SEARCH | CN102727969 |
| SEARCH | CN201352950Y |
| SEARCH | CN201878765U |
| SEARCH | CN202233002U |
| SEARCH | CN202303455U |
| SEARCH | US2003154991 |
| SEARCH | US6766220 |
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 20, 2023
Advice of delivery
Appeal
Dec 11, 2023
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(Electronic) Receipt
Appeal
Nov 3, 2023
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(Electronic) Receipt
Appeal
Nov 2, 2023
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Oct 25, 2023
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(Electronic) Receipt
Appeal
Oct 24, 2023
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Aug 14, 2023
Advice of delivery
Appeal
Aug 9, 2023
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(Electronic) Receipt
Appeal
Jun 20, 2023
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Appeal
Nov 28, 2022
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(Electronic) Receipt
Appeal
Jun 20, 2022
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Claims
Appeal
Jun 20, 2022
Claims
Appeal
Jun 20, 2022
Jun 20, 2022
Reply to appeal
Appeal
Feb 17, 2022
Feb 17, 2022
Feb 14, 2022
(Electronic) Receipt
Appeal
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Jan 4, 2022
Refund of fees
Appeal
Dec 20, 2021
Dec 20, 2021
Dec 20, 2021
Dec 14, 2021
(Electronic) Receipt
Appeal
Dec 14, 2021
Dec 14, 2021
Notice of appeal
Appeal
Dec 13, 2021
(Electronic) Receipt
Appeal
Dec 13, 2021
Dec 13, 2021
Notice of appeal
Appeal
Oct 13, 2021
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Means of redress
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Aug 26, 2019
Jul 18, 2019
Decision to grant a European patent
Search/Exam
Jul 1, 2019
(Electronic) Receipt
Search/Exam
Jul 1, 2019
Filing of the translations of the claims
Search/Exam
Jul 1, 2019
French translation of claims
Search/Exam
Jul 1, 2019
German translation of the claims
Search/Exam
Jul 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2019
Mar 5, 2019
Mar 5, 2019
Intention to grant (signatures)
Search/Exam
Mar 5, 2019
Text intended for grant (clean copy)
Search/Exam
Mar 5, 2019
Feb 12, 2019
Examination started
Search/Exam
Nov 9, 2018
(Electronic) Receipt
Search/Exam
Nov 9, 2018
Amended claims with annotations
Search/Exam
Nov 9, 2018
Amendments received before examination
Search/Exam
Nov 9, 2018
Claims
Search/Exam
Nov 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 11, 2018
(Electronic) Receipt
Search/Exam
Sep 11, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 11, 2018
Priority search results
Search/Exam
Sep 11, 2018
Priority search results copy provided by EPO
Search/Exam
May 22, 2018
Apr 18, 2018
Notification of forthcoming publication
Search/Exam
Feb 28, 2018
Refund of fees
Search/Exam
Feb 21, 2018
Feb 21, 2018
European search opinion
Search/Exam
Feb 21, 2018
European search report
Search/Exam
Feb 21, 2018
Information on Search Strategy
Search/Exam
Feb 12, 2018
Search started
Search/Exam
Feb 2, 2018
Communication to designated inventor
Search/Exam
Dec 12, 2017
Abstract
Search/Exam
Dec 12, 2017
Dec 12, 2017
Claims
Search/Exam
Dec 12, 2017
Description
Search/Exam
Dec 12, 2017
Designation of inventor
Search/Exam
Dec 12, 2017
Drawings
Search/Exam
Dec 12, 2017
Request for grant of a European patent
Search/Exam
Dec 29, 2015
Priority search results
Search/Exam
Jun 12, 2014