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The patent EP3199174 was granted to Zensun Shanghai Science And Technology on Apr 13, 2022. The application was filed on Sep 6, 2015 under application number EP15845381A. 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 |
|---|---|---|---|
| STRAWMAN | Jan 13, 2023 | CMS CAMERON MCKENNA NABARRO OLSWANG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN101310766 |
| OPPOSITION | CN101310766 |
| OPPOSITION | US2013196911 |
| OPPOSITION | WO03099300 |
| OPPOSITION | WO03099320 |
| OPPOSITION | WO03099321 |
| OPPOSITION | WO2006078524 |
| OPPOSITION | WO2012054718 |
| OPPOSITION | WO2015017661 |
| SEARCH | US2013196911 |
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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Apr 26, 2022
Mar 17, 2022
Decision to grant a European patent
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Mar 14, 2022
Change to the inventor details
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Mar 8, 2022
(Electronic) Receipt
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Mar 8, 2022
Filing of the translations of the claims
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Mar 8, 2022
French translation of claims
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Mar 8, 2022
German translation of the claims
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Mar 8, 2022
Letter accompanying subsequently filed items
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Nov 9, 2021
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Nov 9, 2021
Intention to grant (signatures)
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Nov 9, 2021
Text intended for grant (clean copy)
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Nov 9, 2021
Text intended for grant (sequence listing)
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Nov 9, 2021
Jul 9, 2021
(Electronic) Receipt
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Jul 9, 2021
Amended description with annotations
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Jul 9, 2021
Description
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Jul 9, 2021
Letter accompanying subsequently filed items
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Jul 9, 2021
Jul 1, 2021
Jun 30, 2021
(Electronic) Receipt
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Jun 30, 2021
Amended claims with annotations
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Jun 30, 2021
Amended description with annotations
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Jun 30, 2021
Claims
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Jun 30, 2021
Letter accompanying subsequently filed items
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Jun 30, 2021
Mar 1, 2021
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Mar 1, 2021
Intention to grant (signatures)
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Mar 1, 2021
Text intended for grant (clean copy)
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Mar 1, 2021
Text intended for grant (sequence listing)
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Mar 1, 2021
Jun 12, 2020
(Electronic) Receipt
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Jun 12, 2020
Amended description with annotations
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Jun 12, 2020
Description
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Jun 12, 2020
Letter accompanying subsequently filed items
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Jun 12, 2020
Apr 17, 2020
Annex to the communication
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Apr 17, 2020
Communication from the Examining Division
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Feb 12, 2020
Examination started
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Jan 22, 2019
(Electronic) Receipt
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Jan 22, 2019
Dec 14, 2018
Dec 3, 2018
(Electronic) Receipt
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Dec 3, 2018
Dec 3, 2018
Amended claims with annotations
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Dec 3, 2018
Amendments received before examination
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Dec 3, 2018
Letter accompanying subsequently filed items
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May 23, 2018
May 4, 2018
May 4, 2018
European search opinion
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May 4, 2018
Information on Search Strategy
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May 4, 2018
Supplementary European search report
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Apr 19, 2018
Search started
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Nov 2, 2017
(Electronic) Receipt
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Nov 2, 2017
Nov 2, 2017
Amended claims with annotations
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Nov 2, 2017
Amendments received before examination
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Nov 2, 2017
Letter accompanying subsequently filed items
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Sep 27, 2017
Sep 20, 2017
Letter which had not been notified
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Jul 5, 2017
Notification of forthcoming publication
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May 17, 2017
May 11, 2017
May 8, 2017
May 2, 2017
Communication to designated inventor
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Apr 10, 2017
Apr 10, 2017
Mar 16, 2017
(Electronic) Receipt
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Mar 16, 2017
Abstract
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Mar 16, 2017
Claims
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Mar 16, 2017
Converted Sequence Listing
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Mar 16, 2017
Description
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Mar 16, 2017
Drawings
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Mar 16, 2017
Request for entry into the European phase
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Feb 3, 2017
Information on entry into European phase
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Apr 19, 2016
Mar 31, 2016
Converted Sequence Listing
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Mar 31, 2016
Copy of the international search report
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Mar 31, 2016
Mar 31, 2016
International publication pamphlet
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