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The patent EP2828218 was granted to University OF Washington Through ITS Center FOR Commercialization on Apr 7, 2021. The application was filed on Mar 15, 2013 under application number EP13764186A. 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 |
|---|---|---|---|
| LEWIS SILKIN | May 5, 2021 | GAUNT | ADMISSIBLE |
| MARGARET DIXON | May 5, 2021 | MEWBURN ELLIS | ADMISSIBLE |
| WITHERS & ROGERS | May 4, 2021 | TOMBLING | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2006113422 |
| INTERNATIONAL-SEARCH-REPORT | US2008167195 |
| INTERNATIONAL-SEARCH-REPORT | US2009298075 |
| INTERNATIONAL-SEARCH-REPORT | US2011301042 |
| OPPOSITION | US5308751 |
| OPPOSITION | WO2012142213 |
| OPPOSITION | WO2013123442 |
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.
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Description
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Search/Exam
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Request for correction of the publication
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French translation of claims
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German translation of the claims
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Feb 28, 2020
Letter accompanying subsequently filed items
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Feb 28, 2020
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Text intended for grant (sequence listing)
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Oct 18, 2019
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Apr 15, 2019
Amended claims with annotations
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Apr 15, 2019
Claims
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Apr 15, 2019
Letter accompanying subsequently filed items
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Apr 15, 2019
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Letter accompanying subsequently filed items
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Feb 12, 2019
Oct 4, 2018
Annex to the communication
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Oct 4, 2018
Communication from the Examining Division
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Sep 18, 2018
(Electronic) Receipt
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Sep 18, 2018
Amended claims with annotations
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Sep 18, 2018
Claims
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Sep 18, 2018
Letter accompanying subsequently filed items
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Sep 18, 2018
Aug 22, 2018
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Aug 17, 2018
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Annex to the communication
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Jun 8, 2018
Communication from the Examining Division
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Feb 12, 2018
(Electronic) Receipt
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Feb 12, 2018
Amended claims with annotations
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Feb 12, 2018
Claims
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Feb 12, 2018
Letter accompanying subsequently filed items
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Feb 12, 2018
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Nov 29, 2017
(Electronic) Receipt
Search/Exam
Nov 29, 2017
Authorisation
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Nov 29, 2017
Letter accompanying subsequently filed items
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Nov 24, 2017
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Nov 15, 2017
Letter accompanying subsequently filed items
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Nov 15, 2017
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Invitation to file an authorisation
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Letter accompanying subsequently filed items
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Aug 1, 2017
(Electronic) Receipt
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Aug 1, 2017
Claims
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Aug 1, 2017
Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Jun 9, 2017
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Apr 4, 2017
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Mar 30, 2017
Letter accompanying subsequently filed items
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Mar 30, 2017
Jan 31, 2017
Annex to the communication
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Jan 31, 2017
Communication from the Examining Division
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Nov 23, 2016
(Electronic) Receipt
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Nov 23, 2016
Amended claims with annotations
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Nov 23, 2016
Claims
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Nov 23, 2016
Letter accompanying subsequently filed items
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Nov 23, 2016
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Sep 19, 2016
(Electronic) Receipt
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Sep 19, 2016
Letter accompanying subsequently filed items
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Sep 19, 2016
May 13, 2016
Annex to the communication
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May 13, 2016
Communication from the Examining Division
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May 10, 2016
Examination started
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Apr 12, 2016
(Electronic) Receipt
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Apr 12, 2016
Apr 12, 2016
Amended claims with annotations
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Apr 12, 2016
Amendments received before examination
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Apr 12, 2016
Letter accompanying subsequently filed items
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Feb 15, 2016
CDS Clean up - amended applicant details
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Oct 2, 2015
Sep 16, 2015
Sep 16, 2015
European search opinion
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Sep 16, 2015
Supplementary European search report
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Sep 8, 2015
Search started
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Jun 8, 2015
(Electronic) Receipt
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Jun 8, 2015
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Amendments received before examination
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Jun 8, 2015
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Jun 8, 2015
Letter accompanying subsequently filed items
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Mar 9, 2015
Communication to designated inventor
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Communication to designated inventor
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Mar 9, 2015
Communication to designated inventor
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Feb 11, 2015
(Electronic) Receipt
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Feb 11, 2015
Letter accompanying subsequently filed items
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Feb 11, 2015
Letter concerning the inventor
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Jan 8, 2015
Dec 3, 2014
Deficiencies in designation of inventor
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Nov 27, 2014
Oct 20, 2014
(Electronic) Receipt
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Oct 20, 2014
Converted Sequence Listing
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Oct 20, 2014
Matter concerning the application
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Oct 20, 2014
Request for entry into the European phase
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Oct 7, 2014
Jul 30, 2014
Information on entry into European phase
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Jul 22, 2014
Jul 22, 2014
Oct 15, 2013
Sep 26, 2013
Converted Sequence Listing
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Sep 26, 2013
Copy of the international search report
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Sep 26, 2013
Published international application - A1
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