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The patent EP2780022 was granted to Advanced Cell Technology on Sep 7, 2022. The application was filed on Nov 14, 2012 under application number EP12848968A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| STRAWMAN | Mar 5, 2020 | MEWBURN ELLIS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2007031386 |
| INTERNATIONAL-SEARCH-REPORT | US7794704 |
| INTERNATIONAL-SEARCH-REPORT | WO2009051671 |
| INTERNATIONAL-SEARCH-REPORT | WO2011063005 |
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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Aug 11, 2022
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OPPO
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Jun 18, 2019
May 9, 2019
Decision to grant a European patent
Search/Exam
Apr 23, 2019
(Electronic) Receipt
Search/Exam
Apr 23, 2019
Filing of the translations of the claims
Search/Exam
Apr 23, 2019
French translation of claims
Search/Exam
Apr 23, 2019
German translation of the claims
Search/Exam
Apr 23, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 11, 2019
Submission concerning representation
Search/Exam
Feb 26, 2019
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Intention to grant (signatures)
Search/Exam
Feb 26, 2019
Text intended for grant (clean copy)
Search/Exam
Feb 26, 2019
Jan 15, 2019
(Electronic) Receipt
Search/Exam
Jan 15, 2019
Amended claims with annotations
Search/Exam
Jan 15, 2019
Claims
Search/Exam
Jan 15, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2019
Sep 18, 2018
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Sep 18, 2018
Intention to grant (signatures)
Search/Exam
Sep 18, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 18, 2018
Jul 3, 2018
Submission concerning representation
Search/Exam
Apr 23, 2018
Decision to allow further processing
Search/Exam
Apr 11, 2018
(Electronic) Receipt
Search/Exam
Apr 11, 2018
Amended claims with annotations
Search/Exam
Apr 11, 2018
Claims
Search/Exam
Apr 11, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 11, 2018
Request for further processing
Search/Exam
Feb 2, 2018
Nov 15, 2017
Nov 9, 2017
(Electronic) Receipt
Search/Exam
Nov 9, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 9, 2017
Jun 30, 2017
Annex to the communication
Search/Exam
Jun 30, 2017
Communication from the Examining Division
Search/Exam
Jun 21, 2017
Examination started
Search/Exam
Jul 7, 2016
Jun 29, 2016
(Electronic) Receipt
Search/Exam
Jun 29, 2016
Annexes in respect of a client data request
Search/Exam
Jun 29, 2016
Annexes in respect of a client data request
Search/Exam
Jun 29, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 29, 2016
May 27, 2016
Decision to allow further processing
Search/Exam
May 17, 2016
(Electronic) Receipt
Search/Exam
May 17, 2016
May 17, 2016
Amended claims with annotations
Search/Exam
May 17, 2016
Amendments received before examination
Search/Exam
May 17, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 7, 2016
Jan 25, 2016
(Electronic) Receipt
Search/Exam
Jan 25, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 25, 2016
Maintenance of the application
Search/Exam
Jul 21, 2015
Jul 3, 2015
Jul 3, 2015
European search opinion
Search/Exam
Jul 3, 2015
Supplementary European search report
Search/Exam
Jun 18, 2015
Search started
Search/Exam
Feb 23, 2015
(Electronic) Receipt
Search/Exam
Feb 23, 2015
Feb 23, 2015
Amended claims with annotations
Search/Exam
Feb 23, 2015
Amendments received before examination
Search/Exam
Feb 23, 2015
Letter accompanying subsequently filed items
Search/Exam
Aug 27, 2014
Aug 14, 2014
Jun 23, 2014
Communication to designated inventor
Search/Exam
Jun 23, 2014
Communication to designated inventor
Search/Exam
Jun 23, 2014
Communication to designated inventor
Search/Exam
Jun 12, 2014
(Electronic) Receipt
Search/Exam
Jun 12, 2014
Request for entry into the European phase
Search/Exam
Jun 3, 2014
Mar 28, 2014
Information on entry into European phase
Search/Exam
Nov 28, 2013
Copy of the international search report
Search/Exam
Nov 28, 2013
Published international application - A9
Search/Exam
Oct 7, 2013
Notification of the recording of a change
Search/Exam
Jun 14, 2013
Jun 14, 2013
Jun 14, 2013
May 23, 2013
Copy of the international search report
Search/Exam
May 23, 2013
Published international application - A1
Search/Exam