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The patent EP3603679 was granted to President And Fellows OF Harvard College on Aug 10, 2022. The application was originally filed on Jun 4, 2014 under application number EP19197844A. 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 |
|---|---|---|---|
| CRISPR THERAPEUTICS | Aug 11, 2022 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | WO2014197568 |
| SEARCH | WO2014065596 |
| SEARCH | WO2014089290 |
| SEARCH | WO2014093595 |
| SEARCH | WO2014093622 |
| SEARCH | WO2014093661 |
| SEARCH | WO2014150624 |
| SEARCH | WO2014191518 |
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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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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May 27, 2025
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Mar 27, 2025
Notice of appeal
Appeal
Mar 27, 2025
Notice of appeal
Appeal
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Jul 14, 2022
Decision to grant a European patent
Search/Exam
Jul 5, 2022
(Electronic) Receipt
Search/Exam
Jul 5, 2022
Filing of the translations of the claims
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Jul 5, 2022
French translation of claims
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Jul 5, 2022
German translation of the claims
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Jul 5, 2022
Letter accompanying subsequently filed items
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Jun 24, 2022
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Intention to grant (signatures)
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Jun 24, 2022
Text intended for grant (clean copy)
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Jun 24, 2022
Text intended for grant (sequence listing)
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Jun 24, 2022
Apr 27, 2022
(Electronic) Receipt
Search/Exam
Apr 27, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 27, 2022
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Translation of the claims
Search/Exam
Apr 27, 2022
Translation of the claims
Search/Exam
Jan 24, 2022
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Intention to grant (signatures)
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Jan 24, 2022
Text intended for grant (clean copy)
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Jan 24, 2022
Text intended for grant (sequence listing)
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Jan 24, 2022
Aug 26, 2021
Document concerning representation
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Aug 24, 2021
(Electronic) Receipt
Search/Exam
Aug 24, 2021
Amended claims with annotations
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Aug 24, 2021
Amended description with annotations
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Aug 24, 2021
Claims
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Aug 24, 2021
Description
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Aug 24, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 24, 2021
May 12, 2021
Annex to the communication
Search/Exam
May 12, 2021
Communication from the Examining Division
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May 6, 2021
Examination started
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Sep 3, 2020
(Electronic) Receipt
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Sep 3, 2020
Amendments received before examination
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Sep 3, 2020
Letter accompanying subsequently filed items
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Aug 4, 2020
(Electronic) Receipt
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Aug 4, 2020
Aug 4, 2020
Amended claims with annotations
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Aug 4, 2020
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Aug 4, 2020
Letter accompanying subsequently filed items
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Mar 16, 2020
Mar 10, 2020
Letter which had not been notified
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Feb 10, 2020
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Notification of forthcoming publication
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Nov 27, 2019
Refund of fees
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Nov 25, 2019
Nov 25, 2019
European search opinion
Search/Exam
Nov 25, 2019
European search report
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Nov 25, 2019
Information on Search Strategy
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Nov 15, 2019
Search started
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Nov 8, 2019
Communication to designated inventor
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Nov 8, 2019
Communication to designated inventor
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Nov 8, 2019
Communication to designated inventor
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Sep 17, 2019
Abstract
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Sep 17, 2019
Sep 17, 2019
Claims
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Sep 17, 2019
Converted Sequence Listing
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Sep 17, 2019
Description
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Sep 17, 2019
Designation of inventor
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Sep 17, 2019
Drawings
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Sep 17, 2019
Matter concerning the application
Search/Exam
Sep 17, 2019
Request for grant of a European patent
Search/Exam
Jan 5, 2015