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The patent EP3553706 was granted to China Banknote Printing And Minting on Dec 22, 2021. The application was originally filed on Nov 22, 2017 under application number EP17877547A. 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 |
|---|---|---|---|
| GIESECKEDEVRIENT CURRENCY TECHNOLOGY | Sep 19, 2022 | PATENTANWALTE GEYER | ADMISSIBLE |
| HUECK FOLIEN GESELLSCHAFT | Sep 16, 2022 | BURGER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE10131153 |
| OPPOSITION | DE102004049999 |
| OPPOSITION | EP0310707 |
| OPPOSITION | EP0914970 |
| OPPOSITION | JP2005268655 |
| OPPOSITION | JP2009000832 |
| OPPOSITION | US2010219245 |
| OPPOSITION | US2010238205 |
| OPPOSITION | US2011096368 |
| OPPOSITION | US6073845 |
| OPPOSITION | WO03002355 |
| OPPOSITION | WO2004062943 |
| OPPOSITION | WO2009027771 |
| OPPOSITION | WO2010006767 |
| OPPOSITION | WO2012000568 |
| OPPOSITION | WO2012175212 |
| OPPOSITION | WO2014161674 |
| OPPOSITION | WO9211142 |
| OPPOSITION | WO9723357 |
| SEARCH | EP0310707 |
| SEARCH | US2015231912 |
| SEARCH | WO03002355 |
| SEARCH | WO2006042667 |
| SEARCH | WO2014161674 |
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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Nov 4, 2025
Nov 4, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Nov 18, 2024
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Reply to appeal
Appeal
Nov 15, 2024
(Electronic) Receipt
Appeal
Nov 15, 2024
Authorisation
Appeal
Nov 15, 2024
Nov 15, 2024
Reply to appeal
Appeal
Jul 19, 2024
Jul 15, 2024
(Electronic) Receipt
Appeal
Jul 15, 2024
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(Electronic) Receipt
Appeal
May 13, 2024
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Notice of appeal
Appeal
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OPPO
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OPPO
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OPPO
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OPPO
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Nov 25, 2021
Decision to grant a European patent
Search/Exam
Nov 15, 2021
(Electronic) Receipt
Search/Exam
Nov 15, 2021
French translation of claims
Search/Exam
Nov 15, 2021
German translation of the claims
Search/Exam
Nov 15, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 18, 2021
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Intention to grant (signatures)
Search/Exam
Aug 18, 2021
Text intended for grant (clean copy)
Search/Exam
Aug 18, 2021
Jun 16, 2021
(Electronic) Receipt
Search/Exam
Jun 16, 2021
Amended claims with annotations
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Jun 16, 2021
Claims
Search/Exam
Jun 16, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 16, 2021
Apr 19, 2021
Annex to the communication
Search/Exam
Apr 19, 2021
Communication from the Examining Division
Search/Exam
Apr 7, 2021
Examination started
Search/Exam
Jan 19, 2021
(Electronic) Receipt
Search/Exam
Jan 19, 2021
Jan 19, 2021
Amended claims with annotations
Search/Exam
Jan 19, 2021
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Amendments received before examination
Search/Exam
Jan 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 24, 2020
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European search opinion
Search/Exam
Jul 7, 2020
Information on Search Strategy
Search/Exam
Jul 7, 2020
Supplementary European search report
Search/Exam
Jun 26, 2020
Search started
Search/Exam
Oct 18, 2019
(Electronic) Receipt
Search/Exam
Oct 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 18, 2019
Matter concerning the application
Search/Exam
Oct 18, 2019
Priority search results
Search/Exam
Sep 18, 2019
Notification of forthcoming publication
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Jul 18, 2019
Jul 16, 2019
Communication to designated inventor
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Jul 16, 2019
Communication to designated inventor
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Jul 16, 2019
Communication to designated inventor
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Jul 16, 2019
Communication to designated inventor
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Jul 5, 2019
(Electronic) Receipt
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Jul 5, 2019
Abstract
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Jul 5, 2019
Claims
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Jul 5, 2019
Description
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Jul 5, 2019
Drawings
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Jul 5, 2019
Request for entry into the European phase
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Jun 24, 2019
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Apr 23, 2019
Information on entry into European phase
Search/Exam
Jul 5, 2018
Jun 14, 2018
Copy of the international search report
Search/Exam
Jun 14, 2018
Jun 14, 2018
International publication pamphlet
Search/Exam