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The patent EP2937402 was granted to Huizhou Foryou Optical Technology on Nov 18, 2020. The application was filed on Jun 17, 2014 under application number EP14814288A. 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 |
|---|---|---|---|
| BASF | Aug 16, 2021 | BASF ASSOCIATION | ADMISSIBLE |
| SICPA HOLDING | Aug 12, 2021 | HOFFMANN EITLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2009121605 |
| EXAMINATION | WO2011120620 |
| EXAMINATION | WO2012076534 |
| INTERNATIONAL-SEARCH-REPORT | CN1141645 |
| INTERNATIONAL-SEARCH-REPORT | CN1223657 |
| INTERNATIONAL-SEARCH-REPORT | US2011255073 |
| OPPOSITION | JP2004099861 |
| OPPOSITION | US6582781 |
| OPPOSITION | US6850310 |
| OPPOSITION | WO2008012292 |
| OPPOSITION | WO2009121605 |
| OPPOSITION | WO2011120620 |
| OPPOSITION | WO2012076534 |
| SEARCH | GB2315072 |
| SEARCH | GB2315760 |
| SEARCH | JP2004099861 |
| SEARCH | US2011255073 |
| SEARCH | WO2004021531 |
| SEARCH | WO2008012292 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Nov 27, 2023
Letter accompanying subsequently filed items
Search/Exam
Oct 20, 2023
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Oct 16, 2023
(Electronic) Receipt
Search/Exam
Oct 16, 2023
Authorisation
Search/Exam
Oct 16, 2023
Authorisation
Search/Exam
Oct 16, 2023
Letter accompanying subsequently filed items
Search/Exam
Oct 13, 2023
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(Electronic) Receipt
Appeal
Oct 4, 2023
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Claims
Appeal
Oct 4, 2023
Oct 4, 2023
Reply to appeal
Appeal
May 30, 2023
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May 24, 2023
(Electronic) Receipt
Appeal
May 24, 2023
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Mar 21, 2023
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Notice of appeal
Appeal
Mar 17, 2023
(Electronic) Receipt
Appeal
Mar 17, 2023
Mar 17, 2023
Notice of appeal
Appeal
Feb 2, 2023
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OPPO
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Description
OPPO
Dec 24, 2021
Description
OPPO
Dec 24, 2021
Description
OPPO
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Document concerning representation
Search/Exam
Nov 30, 2020
Oct 22, 2020
Decision to grant a European patent
Search/Exam
Oct 6, 2020
Oct 6, 2020
Sep 29, 2020
(Electronic) Receipt
Search/Exam
Sep 29, 2020
Authorisation
Search/Exam
Sep 29, 2020
Filing of the translations of the claims
Search/Exam
Sep 29, 2020
French translation of claims
Search/Exam
Sep 29, 2020
German translation of the claims
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Sep 29, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 24, 2020
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Jun 19, 2020
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Observations by third parties
Search/Exam
Jun 3, 2020
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Intention to grant (signatures)
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Jun 3, 2020
Text intended for grant (clean copy)
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Jun 3, 2020
Apr 1, 2020
(Electronic) Receipt
Search/Exam
Apr 1, 2020
(Electronic) Receipt
Search/Exam
Apr 1, 2020
Amended claims with annotations
Search/Exam
Apr 1, 2020
Amended claims with annotations
Search/Exam
Apr 1, 2020
Amended description with annotations
Search/Exam
Apr 1, 2020
Amended description with annotations
Search/Exam
Apr 1, 2020
Claims
Search/Exam
Apr 1, 2020
Claims
Search/Exam
Apr 1, 2020
Description
Search/Exam
Apr 1, 2020
Description
Search/Exam
Apr 1, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 1, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 1, 2020
Apr 1, 2020
Dec 4, 2019
Annex to the communication
Search/Exam
Dec 4, 2019
Communication from the Examining Division
Search/Exam
Nov 13, 2019
Observations by third parties
Search/Exam
Oct 14, 2019
Oct 14, 2019
Oct 14, 2019
Intention to grant (signatures)
Search/Exam
Oct 14, 2019
Text intended for grant (clean copy)
Search/Exam
Oct 14, 2019
Jul 22, 2019
(Electronic) Receipt
Search/Exam
Jul 22, 2019
Amended claims with annotations
Search/Exam
Jul 22, 2019
Amended description with annotations
Search/Exam
Jul 22, 2019
Claims
Search/Exam
Jul 22, 2019
Description
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Jul 22, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 22, 2019
Mar 22, 2019
Annex to the communication
Search/Exam
Mar 22, 2019
Communication from the Examining Division
Search/Exam
Feb 1, 2019
(Electronic) Receipt
Search/Exam
Feb 1, 2019
Amended claims with annotations
Search/Exam
Feb 1, 2019
Amended description with annotations
Search/Exam
Feb 1, 2019
Claims
Search/Exam
Feb 1, 2019
Description
Search/Exam
Feb 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2019
Oct 5, 2018
Annex to the communication
Search/Exam
Oct 5, 2018
Communication from the Examining Division
Search/Exam
Sep 10, 2018
Aug 31, 2018
Citation filed by a third party
Search/Exam
Aug 31, 2018
Citation filed by a third party
Search/Exam
Aug 31, 2018
Citation filed by a third party
Search/Exam
Aug 31, 2018
Observations by third parties
Search/Exam
Aug 31, 2018
Observations by third parties
Search/Exam
Jul 20, 2018
(Electronic) Receipt
Search/Exam
Jul 20, 2018
Amended claims with annotations
Search/Exam
Jul 20, 2018
Amended description with annotations
Search/Exam
Jul 20, 2018
Claims
Search/Exam
Jul 20, 2018
Description
Search/Exam
Jul 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 20, 2018
Mar 23, 2018
Annex to the communication
Search/Exam
Mar 23, 2018
Communication from the Examining Division
Search/Exam
Dec 14, 2017
(Electronic) Receipt
Search/Exam
Dec 14, 2017
Amended claims with annotations
Search/Exam
Dec 14, 2017
Amended description with annotations
Search/Exam
Dec 14, 2017
Claims
Search/Exam
Dec 14, 2017
Description
Search/Exam
Dec 14, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 14, 2017
Aug 18, 2017
Annex to the communication
Search/Exam
Aug 18, 2017
Communication from the Examining Division
Search/Exam
Aug 2, 2017
Examination started
Search/Exam
Apr 28, 2017
(Electronic) Receipt
Search/Exam
Apr 28, 2017
Apr 28, 2017
Amended claims with annotations
Search/Exam
Apr 28, 2017
Apr 28, 2017
Amended description with annotations
Search/Exam
Apr 28, 2017
Amendments received before examination
Search/Exam
Apr 28, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 2, 2016
Oct 13, 2016
Oct 13, 2016
European search opinion
Search/Exam
Oct 13, 2016
Information on Search Strategy
Search/Exam
Oct 13, 2016
Supplementary European search report
Search/Exam
Sep 26, 2016
Search started
Search/Exam
Jul 6, 2016
Communication to designated inventor
Search/Exam
Jul 6, 2016
Communication to designated inventor
Search/Exam
Jun 27, 2016
(Electronic) Receipt
Search/Exam
Jun 27, 2016
Letter concerning fees and payments
Search/Exam
May 19, 2016
(Electronic) Receipt
Search/Exam
May 19, 2016
Letter concerning the inventor
Search/Exam
Mar 29, 2016
Mar 29, 2016
Mar 17, 2016
Letter which had not been notified
Search/Exam
Mar 17, 2016
Letter which had not been notified
Search/Exam
Mar 10, 2016
Feb 29, 2016
Jan 26, 2016
Communication to designated inventor
Search/Exam
Jan 26, 2016
Communication to designated inventor
Search/Exam
Jan 26, 2016
Communication to designated inventor
Search/Exam
Jan 5, 2016
Jan 5, 2016
Sep 30, 2015
Notification of forthcoming publication
Search/Exam
Jul 31, 2015
Jul 23, 2015
Matter concerning the application
Search/Exam
Jun 22, 2015
Information regarding early processing
Search/Exam
May 18, 2015
(Electronic) Receipt
Search/Exam
May 18, 2015
Abstract
Search/Exam
May 18, 2015
May 18, 2015
Claims
Search/Exam
May 18, 2015
Description
Search/Exam
May 18, 2015
Priority search results
Search/Exam
May 18, 2015
Priority search results
Search/Exam
May 18, 2015
Request for entry into the European phase
Search/Exam
Jan 12, 2015
Dec 24, 2014
Copy of the international search report
Search/Exam
Dec 24, 2014
Dec 24, 2014
International publication pamphlet
Search/Exam