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The patent EP2601289 was granted to Cellular Dynamics on Jul 12, 2017. The application was filed on Aug 3, 2011 under application number EP11815273A. 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 |
|---|---|---|---|
| MATHYS & SQUIRE | Apr 12, 2018 | GREGSON | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1507865 |
| DESCRIPTION | EP2333050 |
| DESCRIPTION | US2003153082 |
| DESCRIPTION | US2005037493 |
| DESCRIPTION | US2005214939 |
| DESCRIPTION | US2008004287 |
| DESCRIPTION | US2008038820 |
| DESCRIPTION | US2008226558 |
| DESCRIPTION | US2008254003 |
| DESCRIPTION | US2009047739 |
| DESCRIPTION | US2010003757 |
| DESCRIPTION | US2010041054 |
| DESCRIPTION | US2010216181 |
| DESCRIPTION | US2010279403 |
| DESCRIPTION | US2011097799 |
| DESCRIPTION | US2011104125 |
| DESCRIPTION | US2013210141 |
| DESCRIPTION | US2013251694 |
| DESCRIPTION | US4683202 |
| DESCRIPTION | US4684611 |
| DESCRIPTION | US4952500 |
| DESCRIPTION | US5302523 |
| DESCRIPTION | US5322783 |
| DESCRIPTION | US5384253 |
| DESCRIPTION | US5464765 |
| DESCRIPTION | US5538877 |
| DESCRIPTION | US5538880 |
| DESCRIPTION | US5550318 |
| DESCRIPTION | US5563055 |
| DESCRIPTION | US5580859 |
| DESCRIPTION | US5589466 |
| DESCRIPTION | US5591616 |
| DESCRIPTION | US5610042 |
| DESCRIPTION | US5656610 |
| DESCRIPTION | US5702932 |
| DESCRIPTION | US5736524 |
| DESCRIPTION | US5780448 |
| DESCRIPTION | US5789215 |
| DESCRIPTION | US5925565 |
| DESCRIPTION | US5928906 |
| DESCRIPTION | US5935819 |
| DESCRIPTION | US5945100 |
| DESCRIPTION | US5981274 |
| DESCRIPTION | US5994624 |
| DESCRIPTION | US6280718 |
| DESCRIPTION | US6458589 |
| DESCRIPTION | US6506574 |
| DESCRIPTION | US6833269 |
| DESCRIPTION | WO0181549 |
| DESCRIPTION | WO03000868 |
| DESCRIPTION | WO03006950 |
| DESCRIPTION | WO03050249 |
| DESCRIPTION | WO03050251 |
| DESCRIPTION | WO2004007696 |
| DESCRIPTION | WO2008006583 |
| DESCRIPTION | WO2008094597 |
| DESCRIPTION | WO9409699 |
| DESCRIPTION | WO9506128 |
| DESCRIPTION | WO9920741 |
| OPPOSITION | WO2008124133 |
| OPPOSITION | WO2009149233 |
| OPPOSITION | WO2010027062 |
| SEARCH | EP2333050 |
| SEARCH | WO2010141801 |
| SEARCH | WO2012021632 |
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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Feb 6, 2020
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Means of redress
OPPO
Oct 7, 2019
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Claims
OPPO
Aug 9, 2019
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Jul 30, 2019
Jul 24, 2019
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Dec 28, 2018
Submission concerning representation
Search/Exam
Dec 21, 2018
Submission concerning representation
Search/Exam
Nov 27, 2018
Nov 27, 2018
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Nov 21, 2018
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Sep 13, 2018
Sep 7, 2018
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Claims
OPPO
Sep 7, 2018
Claims
OPPO
Sep 7, 2018
Claims
OPPO
Sep 7, 2018
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May 25, 2018
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Apr 12, 2018
Jul 12, 2017
Jun 16, 2017
Decision to grant a European patent
Search/Exam
May 30, 2017
Filing of the translations of the claims
Search/Exam
May 30, 2017
French translation of claims
Search/Exam
May 30, 2017
German translation of the claims
Search/Exam
May 30, 2017
Payment of fees and costs
Search/Exam
Feb 10, 2017
Feb 10, 2017
Feb 10, 2017
Intention to grant (signatures)
Search/Exam
Feb 10, 2017
Text intended for grant (clean copy)
Search/Exam
Feb 10, 2017
Text intended for grant (sequence listing)
Search/Exam
Feb 10, 2017
Dec 20, 2016
Amended claims with annotations
Search/Exam
Dec 20, 2016
Claims
Search/Exam
Dec 20, 2016
Nov 18, 2016
Annex to the communication
Search/Exam
Nov 18, 2016
Communication from the Examining Division
Search/Exam
Nov 10, 2016
(Electronic) Receipt
Search/Exam
Nov 10, 2016
Amended claims with annotations
Search/Exam
Nov 10, 2016
Amended description with annotations
Search/Exam
Nov 10, 2016
Claims
Search/Exam
Nov 10, 2016
Description
Search/Exam
Nov 10, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 10, 2016
Aug 2, 2016
Annex to the communication
Search/Exam
Aug 2, 2016
Communication from the Examining Division
Search/Exam
Dec 21, 2015
Sep 24, 2015
Annex to the communication
Search/Exam
Sep 24, 2015
Communication from the Examining Division
Search/Exam
Oct 31, 2014
Jun 25, 2014
Annex to the communication
Search/Exam
Jun 25, 2014
Communication from the Examining Division
Search/Exam
Jun 12, 2014
Examination started
Search/Exam
May 21, 2014
Maintenance of the application
Search/Exam
Jan 9, 2014
Dec 20, 2013
Dec 20, 2013
European search opinion
Search/Exam
Dec 20, 2013
Supplementary European search report
Search/Exam
May 15, 2013
Mar 12, 2013
Mar 8, 2013
Communication to designated inventor
Search/Exam
Mar 8, 2013
Communication to designated inventor
Search/Exam
Mar 8, 2013
Communication to designated inventor
Search/Exam
Mar 8, 2013
Communication to designated inventor
Search/Exam
Mar 8, 2013
Communication to designated inventor
Search/Exam
Feb 18, 2013
Feb 13, 2013
(Electronic) Receipt
Search/Exam
Feb 13, 2013
Feb 13, 2013
Amended claims with annotations
Search/Exam
Feb 13, 2013
Converted Sequence Listing
Search/Exam
Feb 13, 2013
Request for entry into the European phase
Search/Exam
Dec 14, 2012
Information on entry into European phase
Search/Exam
May 10, 2012
Copy of the international search report
Search/Exam
May 10, 2012
Feb 29, 2012
Feb 29, 2012
Feb 9, 2012
Converted Sequence Listing
Search/Exam
Feb 9, 2012
Published international application - A2
Search/Exam