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The patent EP2527471 was granted to The Chinese University OF Hong Kong on Mar 4, 2020. The application was filed on Jul 23, 2008 under application number EP12173422A. 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 |
|---|---|---|---|
| JAMES POOLE | Dec 4, 2020 | CARPMAELS & RANSFORD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | US2004137470 |
| OPPOSITION | US2005221341 |
| SEARCH | US2004137470 |
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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Decision to grant a European patent
Search/Exam
Jan 23, 2020
(Electronic) Receipt
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Jan 23, 2020
Filing of the translations of the claims
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Jan 23, 2020
French translation of claims
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Jan 23, 2020
German translation of the claims
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Jan 23, 2020
Letter accompanying subsequently filed items
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Sep 25, 2019
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Intention to grant (signatures)
Search/Exam
Sep 25, 2019
Text intended for grant (clean copy)
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Sep 25, 2019
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(Electronic) Receipt
Search/Exam
Aug 2, 2019
Amended claims with annotations
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Aug 2, 2019
Amended description with annotations
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Aug 2, 2019
Claims
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Aug 2, 2019
Description
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Letter accompanying subsequently filed items
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Aug 2, 2019
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Intention to grant (signatures)
Search/Exam
Apr 17, 2019
Text intended for grant (clean copy)
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Apr 17, 2019
Mar 18, 2019
(Electronic) Receipt
Search/Exam
Mar 18, 2019
Amended claims with annotations
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Mar 18, 2019
Amended description with annotations
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Mar 18, 2019
Claims
Search/Exam
Mar 18, 2019
Description
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Mar 18, 2019
Letter accompanying subsequently filed items
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Mar 18, 2019
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Annex to the communication
Search/Exam
Jan 3, 2019
Communication from the Examining Division
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Jun 16, 2017
(Electronic) Receipt
Search/Exam
Jun 16, 2017
Claims
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Jun 16, 2017
Letter accompanying subsequently filed items
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Jun 16, 2017
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(Electronic) Receipt
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Jun 12, 2017
Amended claims with annotations
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Jun 12, 2017
Claims
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Letter accompanying subsequently filed items
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Annex to the communication
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Feb 7, 2017
Communication from the Examining Division
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Jul 13, 2016
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Mar 31, 2014
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Mar 25, 2014
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(Electronic) Receipt
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May 13, 2013
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Amended claims with annotations
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May 13, 2013
Amendments received before examination
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May 13, 2013
Letter accompanying subsequently filed items
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Apr 26, 2013
Payment of fees and costs
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Jan 4, 2013
Dec 17, 2012
Refund of fees
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Nov 23, 2012
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European search opinion
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Nov 23, 2012
European search report
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Oct 31, 2012
Notification of forthcoming publication
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Sep 14, 2012
(Electronic) Receipt
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Sep 14, 2012
Drawings
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Sep 14, 2012
Drawings
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Sep 14, 2012
Letter accompanying subsequently filed items
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Sep 14, 2012
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Jul 31, 2012
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Payment of fees and costs
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Jun 25, 2012
Abstract
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Jun 25, 2012
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Amended claims with annotations
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Jun 25, 2012
Claims
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Jun 25, 2012
Description
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Jun 25, 2012
Designation of inventor
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Jun 25, 2012
Designation of inventor
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Designation of inventor
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Jun 25, 2012
Drawings
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Jun 25, 2012
Letter concerning search matters
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Jun 25, 2012
Matter concerning the application
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Jun 25, 2012
Request for grant of a European patent
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Jun 25, 2012
Submission concerning representation
Search/Exam
Feb 19, 2009