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The patent EP2356213 was granted to Viacyte on May 29, 2019. The application was filed on Nov 4, 2008 under application number EP08878030A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| ZWICKER SCHNAPPAUF & PARTNER | Feb 28, 2020 | GAENTZSCH | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US20040021618 |
| DESCRIPTION | US20050115868 |
| DESCRIPTION | US20060588693 |
| DESCRIPTION | US20070773944 |
| DESCRIPTION | US20070875057 |
| DESCRIPTION | US20080702008 |
| DESCRIPTION | WO2007US62755 |
| DESCRIPTION | EP0505148 |
| DESCRIPTION | US2005158853 |
| DESCRIPTION | US2005233446 |
| DESCRIPTION | US2005266554 |
| DESCRIPTION | US2006003313 |
| DESCRIPTION | US2006030042 |
| DESCRIPTION | US2006148081 |
| DESCRIPTION | US2007122905 |
| DESCRIPTION | US2007259421 |
| DESCRIPTION | US5155035 |
| DESCRIPTION | US5320963 |
| DESCRIPTION | US5453357 |
| DESCRIPTION | US5605822 |
| DESCRIPTION | US5646043 |
| DESCRIPTION | US5670372 |
| DESCRIPTION | US6136558 |
| DESCRIPTION | US6200806 |
| DESCRIPTION | US6387638 |
| DESCRIPTION | US7005252 |
| DESCRIPTION | US7063961 |
| DESCRIPTION | US7432104 |
| DESCRIPTION | WO0027995 |
| DESCRIPTION | WO9322424 |
| DESCRIPTION | WO9428133 |
| DESCRIPTION | WO9732033 |
| DESCRIPTION | WO9843679 |
| DESCRIPTION | WO9953021 |
| INTERNATIONAL-SEARCH-REPORT | US2003203008 |
| INTERNATIONAL-SEARCH-REPORT | US2006194321 |
| INTERNATIONAL-SEARCH-REPORT | US2007015210 |
| INTERNATIONAL-SEARCH-REPORT | US2008102063 |
| INTERNATIONAL-SEARCH-REPORT | US2008206343 |
| SEARCH | WO2005005621 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
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(Electronic) Receipt
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(Electronic) Receipt
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Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Means of redress
OPPO
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Information concerning oral proceedings
Search/Exam
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Authorisation
OPPO
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Jun 11, 2019
May 3, 2019
Decision to grant a European patent
Search/Exam
Apr 17, 2019
(Electronic) Receipt
Search/Exam
Apr 17, 2019
French translation of claims
Search/Exam
Apr 17, 2019
German translation of the claims
Search/Exam
Apr 17, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 3, 2019
Mar 28, 2019
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Intention to grant (signatures)
Search/Exam
Dec 14, 2018
Text intended for grant (clean copy)
Search/Exam
Dec 14, 2018
Mar 7, 2018
(Electronic) Receipt
Search/Exam
Mar 7, 2018
Amended claims with annotations
Search/Exam
Mar 7, 2018
Amended description with annotations
Search/Exam
Mar 7, 2018
Claims
Search/Exam
Mar 7, 2018
Description
Search/Exam
Mar 7, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 7, 2018
Nov 2, 2017
Annex to the communication
Search/Exam
Nov 2, 2017
Communication from the Examining Division
Search/Exam
Jan 24, 2017
(Electronic) Receipt
Search/Exam
Jan 24, 2017
Amended claims with annotations
Search/Exam
Jan 24, 2017
Amended description with annotations
Search/Exam
Jan 24, 2017
Claims
Search/Exam
Jan 24, 2017
Description
Search/Exam
Jan 24, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2017
Nov 8, 2016
Nov 3, 2016
(Electronic) Receipt
Search/Exam
Nov 3, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 3, 2016
Jul 27, 2016
Jul 21, 2016
(Electronic) Receipt
Search/Exam
Jul 21, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 21, 2016
Jul 14, 2016
Annex to the communication
Search/Exam
Jul 14, 2016
Communication from the Examining Division
Search/Exam
Jul 2, 2014
Examination started
Search/Exam
Feb 27, 2014
(Electronic) Receipt
Search/Exam
Feb 27, 2014
Feb 27, 2014
Amended claims with annotations
Search/Exam
Feb 27, 2014
Amendments received before examination
Search/Exam
Feb 27, 2014
Letter accompanying subsequently filed items
Search/Exam
Feb 27, 2014
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Dec 13, 2013
Refund of fees
Search/Exam
Aug 21, 2013
Aug 1, 2013
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European search opinion
Search/Exam
Aug 1, 2013
Supplementary European search report
Search/Exam
Jul 1, 2013
Refund of fees
Search/Exam
Jul 1, 2013
Refund of fees
Search/Exam
Jan 12, 2012
Amendments received before examination
Search/Exam
Jan 9, 2012
Jan 9, 2012
Amended claims with annotations
Search/Exam
Jan 9, 2012
Amendments received before examination
Search/Exam
Jul 20, 2011
Jun 29, 2011
Jun 3, 2011
(Electronic) Receipt
Search/Exam
Jun 3, 2011
Jun 3, 2011
Amended claims with annotations
Search/Exam
Jun 3, 2011
Request for entry into the European phase
Search/Exam
May 25, 2011
May 20, 2011
Notification of the recording of a change
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May 20, 2011
Notification of the recording of a change
Search/Exam
Mar 18, 2011
Information on entry into European phase
Search/Exam
May 14, 2010
Copy of the international search report
Search/Exam
May 14, 2010
Published international application - A1
Search/Exam