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The patent EP3247808 was granted to Fred Hutchinson Cancer Research Center on May 5, 2021. The application was filed on Jan 21, 2016 under application number EP16740786A. 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 |
|---|---|---|---|
| STRAWMAN | Feb 3, 2022 | CMS CAMERON MCKENNA NABARRO OLSWANG | ADMISSIBLE |
| MILTENYI BIOTEC | Feb 1, 2022 | KISTERS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO1994US05700 |
| DESCRIPTION | US2005277183 |
| DESCRIPTION | US2010183564 |
| DESCRIPTION | US5004681 |
| DESCRIPTION | US5604090 |
| DESCRIPTION | US5691208 |
| DESCRIPTION | US5719054 |
| DESCRIPTION | US6468432 |
| DESCRIPTION | US7399633 |
| DESCRIPTION | US8043838 |
| DESCRIPTION | US8105818 |
| DESCRIPTION | US8727132 |
| DESCRIPTION | WO2006047569 |
| DESCRIPTION | WO2007095594 |
| DESCRIPTION | WO2007145227 |
| DESCRIPTION | WO2011127470 |
| DESCRIPTION | WO2011127472 |
| DESCRIPTION | WO9312141 |
| DESCRIPTION | WO9627610 |
| DESCRIPTION | WO9701571 |
| INTERNATIONAL-SEARCH-REPORT | US2003175964 |
| INTERNATIONAL-SEARCH-REPORT | US2009081770 |
| INTERNATIONAL-SEARCH-REPORT | US2009220458 |
| INTERNATIONAL-SEARCH-REPORT | US2009233354 |
| INTERNATIONAL-SEARCH-REPORT | US2010009424 |
| INTERNATIONAL-SEARCH-REPORT | US2010210989 |
| INTERNATIONAL-SEARCH-REPORT | US2010323403 |
| INTERNATIONAL-SEARCH-REPORT | US2012087901 |
| INTERNATIONAL-SEARCH-REPORT | US2012164118 |
| INTERNATIONAL-SEARCH-REPORT | US2013216506 |
| INTERNATIONAL-SEARCH-REPORT | US2014315311 |
| INTERNATIONAL-SEARCH-REPORT | US2015011543 |
| INTERNATIONAL-SEARCH-REPORT | US5676646 |
| INTERNATIONAL-SEARCH-REPORT | WO2014099198 |
| OPPOSITION | US2014315311 |
| OPPOSITION | WO2015162211 |
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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OPPO
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May 19, 2021
Apr 9, 2021
Decision to grant a European patent
Search/Exam
Mar 30, 2021
Mar 24, 2021
(Electronic) Receipt
Search/Exam
Mar 24, 2021
Filing of the translations of the claims
Search/Exam
Mar 24, 2021
French translation of claims
Search/Exam
Mar 24, 2021
German translation of the claims
Search/Exam
Mar 24, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 23, 2020
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Intention to grant (signatures)
Search/Exam
Dec 23, 2020
Text intended for grant (clean copy)
Search/Exam
Dec 23, 2020
Text intended for grant (sequence listing)
Search/Exam
Dec 23, 2020
Sep 18, 2020
Sep 14, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 14, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 14, 2020
Sep 9, 2020
(Electronic) Receipt
Search/Exam
Sep 9, 2020
Amended claims with annotations
Search/Exam
Sep 9, 2020
Amended description with annotations
Search/Exam
Sep 9, 2020
Claims
Search/Exam
Sep 9, 2020
Description
Search/Exam
Sep 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 9, 2020
May 25, 2020
Annex to the communication
Search/Exam
May 25, 2020
Communication from the Examining Division
Search/Exam
Mar 20, 2020
(Electronic) Receipt
Search/Exam
Mar 20, 2020
Amended claims with annotations
Search/Exam
Mar 20, 2020
Mar 20, 2020
Claims
Search/Exam
Mar 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2020
Mar 16, 2020
(Electronic) Receipt
Search/Exam
Mar 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 16, 2020
Letter concerning fees and payments
Search/Exam
Jan 27, 2020
Payment submission rejected
Search/Exam
Nov 21, 2019
Annex to the communication
Search/Exam
Nov 21, 2019
Communication from the Examining Division
Search/Exam
Nov 14, 2019
Examination started
Search/Exam
Sep 17, 2019
(Electronic) Receipt
Search/Exam
Sep 17, 2019
Sep 17, 2019
Amended claims with annotations
Search/Exam
Sep 17, 2019
Amendments received before examination
Search/Exam
Sep 17, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 2, 2019
Mar 14, 2019
Mar 14, 2019
European search opinion
Search/Exam
Mar 14, 2019
Information on Search Strategy
Search/Exam
Mar 14, 2019
Supplementary European search report
Search/Exam
Feb 13, 2019
Refund of fees
Search/Exam
Dec 7, 2018
Dec 7, 2018
Information on Search Strategy
Search/Exam
Dec 7, 2018
Partial European search report
Search/Exam
Dec 7, 2018
Nov 12, 2018
Search started
Search/Exam
Mar 7, 2018
Feb 28, 2018
(Electronic) Receipt
Search/Exam
Feb 28, 2018
Feb 28, 2018
Amended claims with annotations
Search/Exam
Feb 28, 2018
Amendments received before examination
Search/Exam
Feb 28, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 3, 2017
Aug 30, 2017
Aug 28, 2017
Communication to designated inventor
Search/Exam
Aug 28, 2017
Communication to designated inventor
Search/Exam
Aug 8, 2017
Aug 7, 2017
(Electronic) Receipt
Search/Exam
Aug 7, 2017
Aug 7, 2017
Matter concerning the application
Search/Exam
Aug 7, 2017
Request for entry into the European phase
Search/Exam
Jun 2, 2017
Information on entry into European phase
Search/Exam
Aug 15, 2016
Jul 28, 2016
Converted Sequence Listing
Search/Exam
Jul 28, 2016
Copy of the international search report
Search/Exam
Jul 28, 2016
Published international application - A1
Search/Exam