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The patent EP2298862 was granted to Mesoblast on Aug 30, 2017. The application was filed on Mar 15, 2005 under application number EP10011224A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| FRIEDRICH | May 30, 2018 | BREUER FRIEDRICH HAHNER PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US5486359 |
| DESCRIPTION | US6355239 |
| OPPOSITION | WO2008042174 |
| OPPOSITION | WO9951247 |
| OPPOSITION | WO9951275 |
| SEARCH | CN1536075 |
| SEARCH | WO03004661 |
| SEARCH | WO03059276 |
| SEARCH | WO2004006942 |
| SEARCH | WO2004011621 |
| SEARCH | WO2004084950 |
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
Oct 11, 2019
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Oct 26, 2018
Oct 23, 2018
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Oct 23, 2018
Jun 13, 2018
Jun 13, 2018
Jun 6, 2018
May 30, 2018
May 30, 2018
May 30, 2018
Aug 31, 2017
Aug 3, 2017
Decision to grant a European patent
Search/Exam
Jul 24, 2017
(Electronic) Receipt
Search/Exam
Jul 24, 2017
Filing of the translations of the claims
Search/Exam
Jul 24, 2017
French translation of claims
Search/Exam
Jul 24, 2017
German translation of the claims
Search/Exam
Jul 19, 2017
Submission concerning representation
Search/Exam
Apr 3, 2017
Apr 3, 2017
Apr 3, 2017
Intention to grant (signatures)
Search/Exam
Apr 3, 2017
Text intended for grant (clean copy)
Search/Exam
Apr 3, 2017
Dec 6, 2016
(Electronic) Receipt
Search/Exam
Dec 6, 2016
Amended claims with annotations
Search/Exam
Dec 6, 2016
Amended description with annotations
Search/Exam
Dec 6, 2016
Claims
Search/Exam
Dec 6, 2016
Description
Search/Exam
Dec 6, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2016
Aug 22, 2016
Annex to the communication
Search/Exam
Aug 22, 2016
Aug 22, 2016
Feb 19, 2016
Submission concerning representation
Search/Exam
May 21, 2015
(Electronic) Receipt
Search/Exam
May 21, 2015
Citation for the examination procedure
Search/Exam
May 21, 2015
Letter accompanying subsequently filed items
Search/Exam
May 21, 2015
May 21, 2015
Mar 23, 2015
Mar 16, 2015
(Electronic) Receipt
Search/Exam
Mar 16, 2015
Nov 21, 2014
Annex to the communication
Search/Exam
Nov 21, 2014
Communication from the Examining Division
Search/Exam
Mar 4, 2014
Feb 26, 2014
Dec 10, 2013
Decision to allow further processing
Search/Exam
Nov 28, 2013
(Electronic) Receipt
Search/Exam
Nov 28, 2013
Letter accompanying subsequently filed items
Search/Exam
Nov 28, 2013
Nov 28, 2013
Nov 28, 2013
Nov 28, 2013
Nov 28, 2013
Nov 28, 2013
Nov 28, 2013
Nov 28, 2013
Nov 28, 2013
Request for further processing
Search/Exam
Sep 30, 2013
Sep 3, 2013
Submission concerning representation
Search/Exam
Jul 19, 2013
Jul 18, 2013
Submission concerning representation
Search/Exam
Apr 8, 2013
Annex to the communication
Search/Exam
Apr 8, 2013
Communication from the Examining Division
Search/Exam
Mar 14, 2013
Mar 7, 2013
Sep 3, 2012
Claims
Search/Exam
Sep 3, 2012
Aug 27, 2012
Aug 14, 2012
Amended claims with annotations
Search/Exam
Aug 14, 2012
Aug 14, 2012
Apr 16, 2012
Annex to the communication
Search/Exam
Apr 16, 2012
Communication from the Examining Division
Search/Exam
Feb 22, 2012
(Electronic) Receipt
Search/Exam
Feb 22, 2012
Feb 22, 2012
Amended claims with annotations
Search/Exam
Feb 22, 2012
Amendments received before examination
Search/Exam
Feb 22, 2012
Letter accompanying subsequently filed items
Search/Exam
Aug 29, 2011
Jul 27, 2011
Refund of fees
Search/Exam
Jul 22, 2011
Jul 22, 2011
European search opinion
Search/Exam
Jul 22, 2011
European search report
Search/Exam
Mar 22, 2011
Mar 22, 2011
Partial European search report
Search/Exam
Feb 23, 2011
Notification of forthcoming publication
Search/Exam
Oct 15, 2010
Sep 28, 2010
Abstract
Search/Exam
Sep 28, 2010
Claims
Search/Exam
Sep 28, 2010
Description
Search/Exam
Sep 28, 2010
Designation of inventor
Search/Exam
Sep 28, 2010
Drawings
Search/Exam
Sep 28, 2010
Letter concerning search matters
Search/Exam
Sep 28, 2010
Oct 26, 2005