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The patent EP2806914 was granted to Estar on Sep 22, 2021. The application was filed on Jan 23, 2013 under application number EP13741283A. 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 |
|---|---|---|---|
| REGEN LAB | Dec 10, 2021 | VALET PATENT SERVICES | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2004071786 |
| DESCRIPTION | US2005205498 |
| DESCRIPTION | US2010159022 |
| DESCRIPTION | US5053134 |
| DESCRIPTION | WO2005065269 |
| DESCRIPTION | WO2010122548 |
| INTERNATIONAL-SEARCH-REPORT | US2008081367 |
| INTERNATIONAL-SEARCH-REPORT | WO2010122548 |
| INTERNATIONAL-SEARCH-REPORT | WO2011100458 |
| INTERNATIONAL-SEARCH-REPORT | WO2011116221 |
| INTERNATIONAL-SEARCH-REPORT | WO9617871 |
| OPPOSITION | EP0442114 |
| OPPOSITION | US2010159022 |
| OPPOSITION | US9556243 |
| OPPOSITION | WO2008023026 |
| OPPOSITION | WO2010122548 |
| OPPOSITION | WO2011110948 |
| OPPOSITION | WO2013061309 |
| OPPOSITION | WO2014147092 |
| OTHER | EP0442114 |
| OTHER | US2010159022 |
| OTHER | WO2010122548 |
| SEARCH | US2004071786 |
| SEARCH | US2005205498 |
| SEARCH | US2010159022 |
| SEARCH | US5053134 |
| SEARCH | WO2010122548 |
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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Oct 5, 2021
Sep 16, 2021
(Electronic) Receipt
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Sep 16, 2021
Letter accompanying subsequently filed items
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Sep 16, 2021
Letter concerning the inventor
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Aug 26, 2021
Decision to grant a European patent
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Aug 12, 2021
(Electronic) Receipt
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Aug 12, 2021
Filing of the translations of the claims
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Aug 12, 2021
French translation of claims
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Aug 12, 2021
German translation of the claims
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Aug 12, 2021
Letter accompanying subsequently filed items
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Aug 9, 2021
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Intention to grant (signatures)
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Aug 9, 2021
Text intended for grant (clean copy)
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Aug 9, 2021
Mar 2, 2021
Feb 24, 2021
Observations by third parties
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Oct 19, 2020
(Electronic) Receipt
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Oct 19, 2020
Amended claims with annotations
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Oct 19, 2020
Amended description with annotations
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Oct 19, 2020
Claims
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Oct 19, 2020
Description
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Oct 19, 2020
Letter accompanying subsequently filed items
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Oct 19, 2020
Jun 16, 2020
Annex to the communication
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Jun 16, 2020
Communication from the Examining Division
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Dec 4, 2019
(Electronic) Receipt
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Dec 4, 2019
Amended claims with annotations
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Dec 4, 2019
Amended claims with annotations
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Dec 4, 2019
Amended claims with annotations
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Dec 4, 2019
Claims
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Dec 4, 2019
Claims
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Dec 4, 2019
Claims
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Dec 4, 2019
Letter accompanying subsequently filed items
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Dec 4, 2019
Oct 21, 2019
Oct 15, 2019
(Electronic) Receipt
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Oct 15, 2019
Letter accompanying subsequently filed items
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Oct 15, 2019
Jun 5, 2019
Annex to the communication
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Jun 5, 2019
Communication from the Examining Division
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May 3, 2019
Dec 17, 2018
Dec 7, 2018
(Electronic) Receipt
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Dec 7, 2018
Enquiry as to the processing of the file
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Dec 7, 2018
Letter accompanying subsequently filed items
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Aug 10, 2018
(Electronic) Receipt
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Aug 10, 2018
Amended claims with annotations
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Aug 10, 2018
Amended claims with annotations
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Aug 10, 2018
Amended claims with annotations
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Aug 10, 2018
Claims
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Aug 10, 2018
Claims
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Aug 10, 2018
Claims
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Aug 10, 2018
Letter accompanying subsequently filed items
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Aug 10, 2018
Jul 6, 2018
Jul 2, 2018
(Electronic) Receipt
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Jul 2, 2018
Letter accompanying subsequently filed items
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Jul 2, 2018
Feb 20, 2018
Annex to the communication
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Feb 20, 2018
Communication from the Examining Division
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Aug 14, 2017
(Electronic) Receipt
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Aug 14, 2017
Amended claims with annotations
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Aug 14, 2017
Claims
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Aug 14, 2017
Letter accompanying subsequently filed items
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Aug 14, 2017
Jun 23, 2017
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Jun 5, 2017
(Electronic) Receipt
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Jun 5, 2017
Letter accompanying subsequently filed items
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Jun 5, 2017
Jun 1, 2017
May 30, 2017
May 15, 2017
(Electronic) Receipt
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May 15, 2017
Letter accompanying subsequently filed items
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May 15, 2017
Apr 5, 2017
Annex to the communication
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Apr 5, 2017
Apr 5, 2017
Jan 31, 2017
(Electronic) Receipt
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Jan 31, 2017
Letter concerning fees and payments
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Dec 28, 2016
(Electronic) Receipt
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Dec 28, 2016
Amended claims with annotations
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Dec 28, 2016
Annex
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Dec 28, 2016
Claims
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Dec 28, 2016
Letter accompanying subsequently filed items
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Dec 28, 2016
Nov 2, 2016
Oct 25, 2016
(Electronic) Receipt
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Oct 25, 2016
Letter accompanying subsequently filed items
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Oct 25, 2016
Jun 21, 2016
Annex to the communication
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Jun 21, 2016
Communication from the Examining Division
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Jun 16, 2016
Examination started
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Mar 17, 2016
(Electronic) Receipt
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Mar 17, 2016
Mar 17, 2016
Amended claims with annotations
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Mar 17, 2016
Amendments received before examination
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Mar 17, 2016
Letter accompanying subsequently filed items
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Jan 18, 2016
(Electronic) Receipt
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Jan 18, 2016
Letter accompanying subsequently filed items
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Sep 8, 2015
Aug 21, 2015
Aug 21, 2015
European search opinion
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Aug 21, 2015
Supplementary European search report
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Aug 11, 2015
Search started
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Jan 28, 2015
(Electronic) Receipt
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Jan 28, 2015
Letter accompanying subsequently filed items
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Nov 5, 2014
Sep 30, 2014
Aug 27, 2014
Communication to designated inventor
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Aug 7, 2014
(Electronic) Receipt
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Aug 7, 2014
Aug 7, 2014
Amended claims with annotations
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Aug 7, 2014
Amendments received before examination
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Aug 7, 2014
Request for entry into the European phase
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Jul 28, 2014
Jul 28, 2014
Jun 6, 2014
Information on entry into European phase
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Jan 2, 2014
Notification of election of EPO
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Dec 11, 2013
Notification of the recording of a change
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Aug 20, 2013
Aug 1, 2013
Copy of the international search report
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Aug 1, 2013
Published international application - A1
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