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The patent EP3329823 was granted to Samsung Electronics on Dec 1, 2021. The application was filed on Oct 17, 2016 under application number EP16857731A. 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 |
|---|---|---|---|
| DYSON TECHNOLOGY | Sep 1, 2022 | DYSON DEPARTMENT | ADMISSIBLE |
| DYSON TECHNOLOGY | Sep 1, 2022 | KENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2011016009 |
| INTERNATIONAL-SEARCH-REPORT | KR20050091821 |
| INTERNATIONAL-SEARCH-REPORT | KR20080061102 |
| INTERNATIONAL-SEARCH-REPORT | KR20140136591 |
| INTERNATIONAL-SEARCH-REPORT | KR20140144890 |
| OPPOSITION | EP1136028 |
| OPPOSITION | EP2813170 |
| OPPOSITION | JP2003190056 |
| OPPOSITION | JP2003225183 |
| OPPOSITION | JP2003230516 |
| OPPOSITION | JP2003339596 |
| OPPOSITION | JP2005168775 |
| OPPOSITION | JP2006167293 |
| OPPOSITION | JPS59193358U |
| OPPOSITION | KR20050091821 |
| OPPOSITION | KR20140144890 |
| OPPOSITION | US2004187253 |
| SEARCH | EP1136028 |
| SEARCH | KR20140144890 |
| SEARCH | US2004187253 |
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.
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Description
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OPPO
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Dec 14, 2021
Nov 5, 2021
Decision to grant a European patent
Search/Exam
Sep 10, 2021
(Electronic) Receipt
Search/Exam
Sep 10, 2021
Filing of the translations of the claims
Search/Exam
Sep 10, 2021
French translation of claims
Search/Exam
Sep 10, 2021
German translation of the claims
Search/Exam
Sep 10, 2021
Letter accompanying subsequently filed items
Search/Exam
May 11, 2021
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Intention to grant (signatures)
Search/Exam
May 11, 2021
Text intended for grant (clean copy)
Search/Exam
May 11, 2021
Apr 21, 2021
Examination started
Search/Exam
Nov 9, 2020
Oct 26, 2020
(Electronic) Receipt
Search/Exam
Oct 26, 2020
Enquiry as to the processing of the file
Search/Exam
Oct 26, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 1, 2018
(Electronic) Receipt
Search/Exam
Nov 1, 2018
Nov 1, 2018
Amended claims with annotations
Search/Exam
Nov 1, 2018
Nov 1, 2018
Amended description with annotations
Search/Exam
Nov 1, 2018
Amendments received before examination
Search/Exam
Nov 1, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 27, 2018
Jul 11, 2018
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European search opinion
Search/Exam
Jul 11, 2018
Information on Search Strategy
Search/Exam
Jul 11, 2018
Supplementary European search report
Search/Exam
Jul 2, 2018
Search started
Search/Exam
May 9, 2018
Notification of forthcoming publication
Search/Exam
May 7, 2018
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Letter which had not been notified
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Apr 6, 2018
Letter which had not been notified
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Apr 6, 2018
Letter which had not been notified
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Mar 8, 2018
Reply by International Bureau
Search/Exam
Mar 8, 2018
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Communication to designated inventor
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Mar 7, 2018
Communication to designated inventor
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Communication to designated inventor
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Mar 7, 2018
Communication to designated inventor
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Mar 1, 2018
(Electronic) Receipt
Search/Exam
Mar 1, 2018
Drawings
Search/Exam
Mar 1, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 1, 2018
Matter concerning the application
Search/Exam
Feb 8, 2018
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Enquiry with the International Bureau
Search/Exam
Jan 22, 2018
(Electronic) Receipt
Search/Exam
Jan 22, 2018
Abstract
Search/Exam
Jan 22, 2018
Annex
Search/Exam
Jan 22, 2018
Claims
Search/Exam
Jan 22, 2018
Description
Search/Exam
Jan 22, 2018
Request for entry into the European phase
Search/Exam
May 15, 2017
Apr 27, 2017
Copy of the international search report
Search/Exam
Apr 27, 2017
Apr 27, 2017
International publication pamphlet
Search/Exam