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The patent EP2328553 was granted to The Regents OF The University OF California on Jun 10, 2020. The application was filed on Nov 12, 2008 under application number EP08876449A. 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 |
|---|---|---|---|
| AECHTER | Mar 10, 2021 | TER MEER STEINMEISTER & PARTNER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1201242 |
| INTERNATIONAL-SEARCH-REPORT | US2006013873 |
| INTERNATIONAL-SEARCH-REPORT | US2007031459 |
| INTERNATIONAL-SEARCH-REPORT | US5863910 |
| INTERNATIONAL-SEARCH-REPORT | WO2006099591 |
| INTERNATIONAL-SEARCH-REPORT | WO9932156 |
| OPPOSITION | US2007111978 |
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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Jun 22, 2020
May 29, 2020
Document concerning representation
Search/Exam
May 14, 2020
Decision to grant a European patent
Search/Exam
May 4, 2020
(Electronic) Receipt
Search/Exam
May 4, 2020
Filing of the translations of the claims
Search/Exam
May 4, 2020
French translation of claims
Search/Exam
May 4, 2020
German translation of the claims
Search/Exam
Feb 19, 2020
Feb 19, 2020
Feb 19, 2020
Intention to grant (signatures)
Search/Exam
Feb 19, 2020
Text intended for grant (clean copy)
Search/Exam
Feb 19, 2020
Dec 16, 2019
(Electronic) Receipt
Search/Exam
Dec 16, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 16, 2019
Aug 16, 2019
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Aug 16, 2019
Intention to grant (signatures)
Search/Exam
Aug 16, 2019
Text intended for grant (clean copy)
Search/Exam
Aug 16, 2019
Jun 28, 2019
May 23, 2019
(Electronic) Receipt
Search/Exam
May 23, 2019
Amended claims with annotations
Search/Exam
May 23, 2019
Amended claims with annotations
Search/Exam
May 23, 2019
Amended claims with annotations
Search/Exam
May 23, 2019
Claims
Search/Exam
May 23, 2019
Claims
Search/Exam
May 23, 2019
Claims
Search/Exam
May 23, 2019
Letter accompanying subsequently filed items
Search/Exam
May 23, 2019
Oct 1, 2018
Advice of delivery
Search/Exam
Sep 24, 2018
Advice of delivery
Search/Exam
Sep 18, 2018
Acknowledgement of a document
Search/Exam
Sep 18, 2018
Annex to the communication
Search/Exam
Sep 18, 2018
Preparation for oral proceedings
Search/Exam
Sep 18, 2018
Summons to attend oral proceedings
Search/Exam
Jul 3, 2017
(Electronic) Receipt
Search/Exam
Jul 3, 2017
Amended claims with annotations
Search/Exam
Jul 3, 2017
Amended description with annotations
Search/Exam
Jul 3, 2017
Claims
Search/Exam
Jul 3, 2017
Description
Search/Exam
Jul 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 3, 2017
Mar 3, 2017
Annex to the communication
Search/Exam
Mar 3, 2017
Mar 3, 2017
Mar 2, 2017
Feb 28, 2017
Feb 22, 2017
Jan 26, 2017
(Electronic) Receipt
Search/Exam
Jan 26, 2017
Amended claims with annotations
Search/Exam
Jan 26, 2017
Amended description with annotations
Search/Exam
Jan 26, 2017
Claims
Search/Exam
Jan 26, 2017
Description
Search/Exam
Jan 26, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 26, 2017
Sep 21, 2016
Advice of delivery
Search/Exam
Sep 12, 2016
Acknowledgement of a document
Search/Exam
Sep 12, 2016
Annex to the communication
Search/Exam
Sep 12, 2016
Preparation for oral proceedings
Search/Exam
Sep 12, 2016
Summons to attend oral proceedings
Search/Exam
Feb 23, 2016
Submission concerning representation
Search/Exam
Jul 23, 2014
CDS Clean up - amended applicant details
Search/Exam
Oct 21, 2013
(Electronic) Receipt
Search/Exam
Oct 21, 2013
Amended claims with annotations
Search/Exam
Oct 21, 2013
Claims
Search/Exam
Oct 21, 2013
Letter accompanying subsequently filed items
Search/Exam
Oct 21, 2013
Jun 17, 2013
Jun 11, 2013
Annex to the communication
Search/Exam
Jun 11, 2013
Communication from the Examining Division
Search/Exam
Jun 11, 2013
May 3, 2013
Submission concerning representation
Search/Exam
Jan 27, 2012
(Electronic) Receipt
Search/Exam
Jan 27, 2012
Amended claims with annotations
Search/Exam
Jan 27, 2012
Amended claims with annotations
Search/Exam
Jan 27, 2012
Claims
Search/Exam
Jan 27, 2012
Letter accompanying subsequently filed items
Search/Exam
Jan 27, 2012
Nov 18, 2011
Nov 14, 2011
(Electronic) Receipt
Search/Exam
Nov 14, 2011
Letter accompanying subsequently filed items
Search/Exam
Nov 14, 2011
Jul 21, 2011
Annex to the communication
Search/Exam
Jul 21, 2011
Communication from the Examining Division
Search/Exam
Jul 11, 2011
Decision to allow further processing
Search/Exam
Jun 30, 2011
(Electronic) Receipt
Search/Exam
Jun 30, 2011
Letter accompanying subsequently filed items
Search/Exam
Jun 30, 2011
Request for further processing
Search/Exam
Jun 27, 2011
Claim deemed abandoned
Search/Exam
Jun 3, 2011
(Electronic) Receipt
Search/Exam
Jun 3, 2011
Letter accompanying subsequently filed items
Search/Exam
Jun 3, 2011
Letter concerning the inventor
Search/Exam
May 26, 2011
(Electronic) Receipt
Search/Exam
May 26, 2011
Letter accompanying subsequently filed items
Search/Exam
May 26, 2011
Letter concerning the inventor
Search/Exam
May 24, 2011
May 24, 2011
May 18, 2011
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Refund of fees
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May 18, 2011
Refund of fees
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May 12, 2011
Letter which had not been notified
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May 12, 2011
Letter which had not been notified
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May 11, 2011
May 3, 2011
(Electronic) Receipt
Search/Exam
May 3, 2011
May 3, 2011
Amended claims with annotations
Search/Exam
May 3, 2011
Amendments received before examination
Search/Exam
May 3, 2011
Letter accompanying subsequently filed items
Search/Exam
May 3, 2011
Letter which had not been notified
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May 3, 2011
Letter which had not been notified
Search/Exam
Apr 12, 2011
Mar 17, 2011
(Electronic) Receipt
Search/Exam
Mar 17, 2011
Request for entry into the European phase
Search/Exam
Mar 11, 2011
Dec 29, 2010
Information on entry into European phase
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Apr 13, 2010
Apr 13, 2010
Feb 25, 2010
Copy of the international search report
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Feb 25, 2010
Published international application - A1
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Jul 9, 2009
Jul 9, 2009
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Nov 21, 2008
Abstract
PCTISA
Nov 21, 2008
Claims
PCTISA
Nov 21, 2008
Description
PCTISA
Nov 21, 2008
Drawings
PCTISA