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The patent EP2421578 was granted to Esteron on Mar 24, 2021. The application was originally filed on Apr 19, 2010 under application number EP10722188A. The patent is currently recorded with a legal status of "Opposition Rejected".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2005065269 |
| INTERNATIONAL-SEARCH-REPORT | EP0442114 |
| INTERNATIONAL-SEARCH-REPORT | US2001053547 |
| INTERNATIONAL-SEARCH-REPORT | WO2004018078 |
| INTERNATIONAL-SEARCH-REPORT | WO9104088 |
| OPPOSITION | EP0442114 |
| OPPOSITION | US2001053547 |
| OPPOSITION | WO2004018078 |
| OPPOSITION | WO2008023026 |
| OPPOSITION | WO9104088 |
| OTHER | WO2008023026 |
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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Means of redress
OPPO
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Apr 6, 2021
Feb 25, 2021
Decision to grant a European patent
Search/Exam
Feb 12, 2021
(Electronic) Receipt
Search/Exam
Feb 12, 2021
Filing of the translations of the claims
Search/Exam
Feb 12, 2021
French translation of claims
Search/Exam
Feb 12, 2021
German translation of the claims
Search/Exam
Feb 12, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 3, 2021
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Feb 3, 2021
Intention to grant (signatures)
Search/Exam
Feb 3, 2021
Text intended for grant (clean copy)
Search/Exam
Feb 3, 2021
Dec 18, 2020
(Electronic) Receipt
Search/Exam
Dec 18, 2020
Claims
Search/Exam
Dec 18, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 18, 2020
Aug 12, 2020
Aug 12, 2020
Aug 12, 2020
Intention to grant (signatures)
Search/Exam
Aug 12, 2020
Text intended for grant (clean copy)
Search/Exam
Aug 12, 2020
Mar 16, 2020
(Electronic) Receipt
Search/Exam
Mar 16, 2020
Citation for the examination procedure
Search/Exam
Mar 16, 2020
Citation for the examination procedure
Search/Exam
Mar 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 16, 2020
Nov 12, 2019
Annex to the communication
Search/Exam
Nov 12, 2019
Communication from the Examining Division
Search/Exam
Nov 6, 2019
Decision to allow further processing
Search/Exam
Oct 24, 2019
(Electronic) Receipt
Search/Exam
Oct 24, 2019
Amended claims with annotations
Search/Exam
Oct 24, 2019
Claims
Search/Exam
Oct 24, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 24, 2019
Request for further processing
Search/Exam
Aug 19, 2019
Jul 26, 2019
Jul 25, 2019
Jul 22, 2019
(Electronic) Receipt
Search/Exam
Jul 22, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 22, 2019
Jul 22, 2019
Jul 18, 2019
(Electronic) Receipt
Search/Exam
Jul 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 18, 2019
May 14, 2019
May 8, 2019
(Electronic) Receipt
Search/Exam
May 8, 2019
Letter accompanying subsequently filed items
Search/Exam
May 8, 2019
May 3, 2019
Jan 10, 2019
Annex to the communication
Search/Exam
Jan 10, 2019
Communication from the Examining Division
Search/Exam
Jan 4, 2019
Dec 19, 2018
Non-patent literature filed by a third party
Search/Exam
Dec 19, 2018
Non-patent literature filed by a third party
Search/Exam
Dec 19, 2018
Non-patent literature filed by a third party
Search/Exam
Dec 19, 2018
Non-patent literature filed by a third party
Search/Exam
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Non-patent literature filed by a third party
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Dec 19, 2018
Non-patent literature filed by a third party
Search/Exam
Dec 19, 2018
Non-patent literature filed by a third party
Search/Exam
Dec 19, 2018
Non-patent literature filed by a third party
Search/Exam
Dec 19, 2018
Non-scannable object
Search/Exam
Dec 19, 2018
Non-scannable object
Search/Exam
Dec 19, 2018
Observations by third parties
Search/Exam
Dec 19, 2018
Patent document filed by a Third party
Search/Exam
Sep 24, 2018
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Sep 24, 2018
Intention to grant (signatures)
Search/Exam
Sep 24, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 24, 2018
Jan 15, 2018
(Electronic) Receipt
Search/Exam
Jan 15, 2018
Amended claims with annotations
Search/Exam
Jan 15, 2018
Claims
Search/Exam
Jan 15, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2018
Nov 20, 2017
Nov 14, 2017
(Electronic) Receipt
Search/Exam
Nov 14, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 14, 2017
Jul 4, 2017
Annex to the communication
Search/Exam
Jul 4, 2017
Communication from the Examining Division
Search/Exam
Jun 30, 2017
Jun 5, 2017
(Electronic) Receipt
Search/Exam
Jun 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 5, 2017
Jun 1, 2017
May 30, 2017
May 15, 2017
(Electronic) Receipt
Search/Exam
May 15, 2017
Letter accompanying subsequently filed items
Search/Exam
May 15, 2017
Aug 22, 2016
(Electronic) Receipt
Search/Exam
Aug 22, 2016
Amended claims with annotations
Search/Exam
Aug 22, 2016
Claims
Search/Exam
Aug 22, 2016
Description
Search/Exam
Aug 22, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 22, 2016
Apr 28, 2016
(Electronic) Receipt
Search/Exam
Apr 28, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 13, 2016
Annex to the communication
Search/Exam
Apr 13, 2016
Communication from the Examining Division
Search/Exam
Apr 5, 2016
Examination started
Search/Exam
Apr 30, 2015
(Electronic) Receipt
Search/Exam
Apr 30, 2015
Letter concerning fees and payments
Search/Exam
Mar 31, 2014
(Electronic) Receipt
Search/Exam
Mar 31, 2014
Letter concerning fees and payments
Search/Exam
Apr 23, 2013
(Electronic) Receipt
Search/Exam
Apr 23, 2013
Letter accompanying subsequently filed items
Search/Exam
Apr 26, 2012
(Electronic) Receipt
Search/Exam
Apr 26, 2012
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2012
Dec 14, 2011
Refund order of filing/examination fee
Search/Exam
Dec 6, 2011
Nov 21, 2011
(Electronic) Receipt
Search/Exam
Nov 21, 2011
Nov 21, 2011
Amended claims with annotations
Search/Exam
Nov 21, 2011
Amendments received before examination
Search/Exam
Nov 21, 2011
Authorisation
Search/Exam
Nov 21, 2011
Request for entry into the European phase
Search/Exam
Nov 1, 2011
Nov 1, 2011
Sep 2, 2011
Information on entry into European phase
Search/Exam
Aug 1, 2011
Aug 1, 2011
Aug 1, 2011
Aug 1, 2011
Aug 1, 2011
Aug 1, 2011
Aug 1, 2011
Aug 1, 2011
Aug 1, 2011
Jul 26, 2011
Notification of election of EPO
Search/Exam
Jul 19, 2011
Jul 5, 2011
Jul 5, 2011
Jul 2, 2011
Jul 2, 2011
Jul 2, 2011
PCT demand form
PCT2
Jul 2, 2011
Jun 19, 2011
Jun 19, 2011
Jun 19, 2011
Jun 19, 2011
PCT demand form
PCT2
Jun 19, 2011
Jun 10, 2011
Notification of the recording of a change
Search/Exam
Jun 10, 2011
Notification of the recording of a change
Search/Exam
May 19, 2011
Copy of the international search report
Search/Exam
May 19, 2011
Mar 18, 2011
Mar 18, 2011
Mar 18, 2011
Nov 18, 2010
Oct 28, 2010
Published international application - A2
Search/Exam
Sep 16, 2010
May 19, 2010
Abstract
PCTISA
May 19, 2010
Claims
PCTISA
May 19, 2010
Description
PCTISA
May 19, 2010
Drawings
PCTISA