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The patent EP3824905 was granted to Fred Hutchinson Cancer Center on Jan 8, 2025. The application was filed on Aug 20, 2013 under application number EP20201497A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| BOULT WADE TENNANT | Oct 8, 2025 | BOULT WADE TENNANT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO1991US08442 |
| DESCRIPTION | WO1994US05601 |
| DESCRIPTION | US6040177 |
| OPPOSITION | EP3824905 |
| OPPOSITION | WO2011056894 |
| OPPOSITION | WO2012079000 |
| OPPOSITION | WO2014031687 |
| OTHER | EP1755674 |
| OTHER | EP2884999 |
| OTHER | US2013055862 |
| SEARCH | WO02077029 |
| SEARCH | WO2012129514 |
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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Jan 21, 2025
Dec 12, 2024
Decision to grant a European patent
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Nov 29, 2024
(Electronic) Receipt
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Nov 29, 2024
Filing of the translations of the claims
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Nov 29, 2024
French translation of claims
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Nov 29, 2024
German translation of the claims
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Nov 29, 2024
Letter accompanying subsequently filed items
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Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Intention to grant (signatures)
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Nov 28, 2024
Text intended for grant (clean copy)
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Nov 28, 2024
Nov 25, 2024
Sep 24, 2024
Annex to the communication
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Sep 24, 2024
Consultation by telephone/in person
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Sep 24, 2024
Jul 19, 2024
(Electronic) Receipt
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Jul 19, 2024
Amended claims with annotations
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Jul 19, 2024
Amended description with annotations
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Jul 19, 2024
Annex
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Jul 19, 2024
Annex
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Jul 19, 2024
Annex
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Jul 19, 2024
Claims
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Jul 19, 2024
Description
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Jul 19, 2024
Letter accompanying subsequently filed items
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Jul 19, 2024
Matter concerning the application
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Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Jun 12, 2023
Jun 12, 2023
Jun 6, 2023
(Electronic) Receipt
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Jun 6, 2023
Letter accompanying subsequently filed items
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Jun 6, 2023
Jun 5, 2023
(Electronic) Receipt
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Jun 5, 2023
Letter accompanying subsequently filed items
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Jun 5, 2023
Mar 20, 2023
Annex to the communication
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Mar 20, 2023
Oct 24, 2022
(Electronic) Receipt
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Oct 24, 2022
Letter accompanying subsequently filed items
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Oct 24, 2022
Aug 25, 2022
Aug 22, 2022
(Electronic) Receipt
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Aug 22, 2022
Citation filed by a third party
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Aug 22, 2022
Letter accompanying subsequently filed items
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Aug 22, 2022
Non-patent literature filed by a third party
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Aug 22, 2022
Observations by third parties
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Aug 10, 2022
Aug 2, 2022
(Electronic) Receipt
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Aug 2, 2022
Letter accompanying subsequently filed items
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Aug 2, 2022
Observations by third parties
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Aug 2, 2022
Patent document filed by a Third party
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Jul 26, 2022
(Electronic) Receipt
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Jul 26, 2022
Letter accompanying subsequently filed items
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Jul 26, 2022
Matter concerning the application
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Jul 13, 2022
Jun 14, 2022
May 20, 2022
Annex to the communication
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May 20, 2022
May 16, 2022
Apr 27, 2022
(Electronic) Receipt
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Apr 27, 2022
Annexes in respect of a client data request
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Apr 27, 2022
Annexes in respect of a client data request
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Apr 27, 2022
Annexes in respect of a client data request
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Apr 27, 2022
Letter accompanying subsequently filed items
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Apr 27, 2022
Mar 23, 2022
(Electronic) Receipt
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Mar 23, 2022
Annex
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Mar 23, 2022
Annex
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Mar 23, 2022
Annex
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Mar 23, 2022
Annex
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Mar 23, 2022
Annex
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Mar 23, 2022
Letter accompanying subsequently filed items
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Mar 23, 2022
Matter concerning the application
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Mar 17, 2022
Examination started
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Feb 10, 2022
(Electronic) Receipt
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Feb 10, 2022
Letter accompanying subsequently filed items
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Feb 10, 2022
Observations by third parties
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Jan 12, 2022
(Electronic) Receipt
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Jan 12, 2022
Letter accompanying subsequently filed items
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Jan 12, 2022
Observations by third parties
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Dec 21, 2021
Observations by third parties
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Dec 21, 2021
Observations by third parties
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Nov 23, 2021
(Electronic) Receipt
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Nov 23, 2021
Annex
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Nov 23, 2021
Annex
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Nov 23, 2021
Annex
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Nov 23, 2021
Annex
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Nov 23, 2021
Annex
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Nov 23, 2021
Annex
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Nov 23, 2021
Annex
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Nov 23, 2021
Annex
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Nov 23, 2021
Annex
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Nov 23, 2021
Annex
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Nov 23, 2021
Annex
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Nov 23, 2021
Annex
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Nov 23, 2021
Letter accompanying subsequently filed items
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Nov 23, 2021
Nov 10, 2021
(Electronic) Receipt
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Nov 10, 2021
Nov 10, 2021
Amended claims with annotations
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Nov 10, 2021
Nov 10, 2021
Amended description with annotations
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Nov 10, 2021
Amendments received before examination
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Nov 10, 2021
Annex
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Nov 10, 2021
Letter accompanying subsequently filed items
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Aug 13, 2021
Aug 5, 2021
Letter accompanying subsequently filed items
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Aug 5, 2021
Jun 4, 2021
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May 31, 2021
May 24, 2021
(Electronic) Receipt
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May 24, 2021
Letter accompanying subsequently filed items
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May 24, 2021
May 21, 2021
(Electronic) Receipt
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May 21, 2021
Letter accompanying subsequently filed items
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May 21, 2021
Apr 29, 2021
Notification of forthcoming publication
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Mar 22, 2021
Refund of fees
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Mar 18, 2021
Mar 18, 2021
European search opinion
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Mar 18, 2021
European search report
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Mar 18, 2021
Information on Search Strategy
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Jan 4, 2021
(Electronic) Receipt
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Jan 4, 2021
Claims
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Jan 4, 2021
Letter accompanying subsequently filed items
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Jan 4, 2021
Matter concerning the application
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Dec 16, 2020
Refund of fees
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Dec 4, 2020
Communication to designated inventor
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Dec 4, 2020
Communication to designated inventor
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Dec 4, 2020
Communication to designated inventor
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Nov 27, 2020
Payment submission rejected
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Oct 22, 2020
Invitation to file claims
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Oct 13, 2020
Abstract
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Oct 13, 2020
Oct 13, 2020
Converted Sequence Listing
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Oct 13, 2020
Description
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Oct 13, 2020
Designation of inventor
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Oct 13, 2020
Drawings
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Oct 13, 2020
Request for grant of a European patent
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May 23, 2014
Feb 27, 2014
Converted Sequence Listing
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