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The patent EP3256569 was granted to The Hospital FOR Sick Children on Apr 17, 2024. The application was filed on Feb 11, 2016 under application number EP16748520A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | Dec 22, 2021 | POTTER CLARKSON | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2647698 |
| DESCRIPTION | US2009017539 |
| DESCRIPTION | WO2014012933 |
| OPPOSITION | WO2016127259 |
| OPPOSITION | WO2017097876 |
| SEARCH | EP2647698 |
| SEARCH | US2009017539 |
| SEARCH | WO2009104825 |
| SEARCH | WO2014012933 |
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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Authorisation
OPPO
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Decision to grant a European patent
Search/Exam
Feb 11, 2021
(Electronic) Receipt
Search/Exam
Feb 11, 2021
Filing of the translations of the claims
Search/Exam
Feb 11, 2021
French translation of claims
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Feb 11, 2021
German translation of the claims
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Feb 11, 2021
Letter accompanying subsequently filed items
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Oct 16, 2020
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Intention to grant (signatures)
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Oct 16, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 16, 2020
Aug 10, 2020
(Electronic) Receipt
Search/Exam
Aug 10, 2020
Amended claims with annotations
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Aug 10, 2020
Amended description with annotations
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Aug 10, 2020
Claims
Search/Exam
Aug 10, 2020
Description
Search/Exam
Aug 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2020
Apr 9, 2020
Annex to the communication
Search/Exam
Apr 9, 2020
Communication from the Examining Division
Search/Exam
Feb 24, 2020
(Electronic) Receipt
Search/Exam
Feb 24, 2020
Letter accompanying subsequently filed items
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Feb 24, 2020
Feb 10, 2020
(Electronic) Receipt
Search/Exam
Feb 10, 2020
Amended claims with annotations
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Feb 10, 2020
Annex
Search/Exam
Feb 10, 2020
Claims
Search/Exam
Feb 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 10, 2020
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Oct 21, 2019
Annex to the communication
Search/Exam
Oct 21, 2019
Communication from the Examining Division
Search/Exam
Oct 15, 2019
Examination started
Search/Exam
Feb 18, 2019
(Electronic) Receipt
Search/Exam
Feb 18, 2019
Feb 18, 2019
Amended claims with annotations
Search/Exam
Feb 18, 2019
Amendments received before examination
Search/Exam
Feb 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2018
Jul 24, 2018
Jul 24, 2018
European search opinion
Search/Exam
Jul 24, 2018
Information on Search Strategy
Search/Exam
Jul 24, 2018
Supplementary European search report
Search/Exam
Jul 11, 2018
Search started
Search/Exam
Apr 10, 2018
(Electronic) Receipt
Search/Exam
Apr 10, 2018
Apr 10, 2018
Amended claims with annotations
Search/Exam
Apr 10, 2018
Amendments received before examination
Search/Exam
Apr 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 22, 2017
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Letter which had not been notified
Search/Exam
Oct 13, 2017
Sep 26, 2017
Communication to designated inventor
Search/Exam
Sep 26, 2017
Communication to designated inventor
Search/Exam
Sep 6, 2017
(Electronic) Receipt
Search/Exam
Sep 6, 2017
Converted Sequence Listing
Search/Exam
Sep 6, 2017
Matter concerning the application
Search/Exam
Sep 6, 2017
Request for entry into the European phase
Search/Exam
Aug 30, 2017
Jun 23, 2017
Information on entry into European phase
Search/Exam
Sep 6, 2016
Aug 18, 2016
Converted Sequence Listing
Search/Exam
Aug 18, 2016
Copy of the international search report
Search/Exam
Aug 18, 2016
Published international application - A1
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