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The patent EP4368705 was granted to Cellectis on Jan 1, 2025. The application was filed on Mar 11, 2015 under application number EP24153261A. 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 |
|---|---|---|---|
| CARPMAELS & RANSFORD SPECIALITIES | Oct 1, 2025 | CARPMAELS & RANSFORD | ADMISSIBLE |
| MARGARET DIXON | Sep 30, 2025 | MEWBURN ELLIS | ADMISSIBLE |
| CENTURY THERAPEUTICS | Sep 29, 2025 | CARPMAELS & RANSFORD | ADMISSIBLE |
| MURGITROYD | Sep 29, 2025 | MURGITROYD | ADMISSIBLE |
| CENTURY THERAPEUTICS | Jan 2, 2025 | CARPMAELS & RANSFORD | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2013US58005 |
| DESCRIPTION | FR901228 |
| DESCRIPTION | US2002086356 |
| DESCRIPTION | US2002162126 |
| DESCRIPTION | US2003108923 |
| DESCRIPTION | US2006121005 |
| DESCRIPTION | US4474893 |
| DESCRIPTION | US4683195 |
| DESCRIPTION | US5093246 |
| DESCRIPTION | US5858358 |
| DESCRIPTION | US5883223 |
| DESCRIPTION | US6010613 |
| DESCRIPTION | US6352694 |
| DESCRIPTION | US6506559 |
| DESCRIPTION | US6534055 |
| DESCRIPTION | US6692964 |
| DESCRIPTION | US6797514 |
| DESCRIPTION | US6867041 |
| DESCRIPTION | US6887466 |
| DESCRIPTION | US6905680 |
| DESCRIPTION | US6905681 |
| DESCRIPTION | US6905874 |
| DESCRIPTION | US7067318 |
| DESCRIPTION | US7144575 |
| DESCRIPTION | US7172869 |
| DESCRIPTION | US7175843 |
| DESCRIPTION | US7232566 |
| DESCRIPTION | WO0044895 |
| DESCRIPTION | WO0136646 |
| DESCRIPTION | WO02055692 |
| DESCRIPTION | WO02055693 |
| DESCRIPTION | WO0244321 |
| DESCRIPTION | WO03006477 |
| DESCRIPTION | WO2004083379 |
| DESCRIPTION | WO2006097854 |
| DESCRIPTION | WO2012012667 |
| DESCRIPTION | WO2012138927 |
| DESCRIPTION | WO2013126712 |
| DESCRIPTION | WO2013176915 |
| DESCRIPTION | WO2013176916 |
| DESCRIPTION | WO2014018601 |
| DESCRIPTION | WO9011364 |
| SEARCH | US2006222633 |
| SEARCH | WO2005097160 |
| SEARCH | WO2008102274 |
| SEARCH | WO2012145384 |
| SEARCH | WO2013049459 |
| SEARCH | WO2013074916 |
| SEARCH | WO2013158292 |
| SEARCH | WO2013176915 |
| SEARCH | WO2014165707 |
| SEARCH | WO9302188 |
| SEARCH | WO9517911 |
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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Decision to grant a European patent
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Nov 22, 2024
(Electronic) Receipt
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Nov 22, 2024
Filing of the translations of the claims
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Nov 22, 2024
French translation of claims
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Nov 22, 2024
German translation of the claims
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Intention to grant (signatures)
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Nov 19, 2024
Text intended for grant (clean copy)
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Nov 19, 2024
Text intended for grant (sequence listing)
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Nov 19, 2024
Oct 23, 2024
Examination started
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Sep 12, 2024
(Electronic) Receipt
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Sep 12, 2024
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Amended claims with annotations
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Sep 12, 2024
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Amended description with annotations
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Sep 12, 2024
Amendments received before examination
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Sep 12, 2024
Summary of subsequently filed documents
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Aug 5, 2024
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Refund of fees
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Jul 5, 2024
Letter accompanying subsequently filed items
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European search opinion
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European search report
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Jul 3, 2024
Information on Search Strategy
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Apr 17, 2024
Notification of forthcoming publication
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Mar 29, 2024
(Electronic) Receipt
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Mar 29, 2024
Claims
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Mar 29, 2024
Letter accompanying subsequently filed items
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Mar 29, 2024
Matter concerning the application
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Mar 29, 2024
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Invitation to file claims
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Jan 25, 2024
(Electronic) Receipt
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Jan 25, 2024
Converted Sequence Listing
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Jan 25, 2024
Letter accompanying subsequently filed items
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Jan 25, 2024
Matter concerning the application
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Jan 22, 2024
Abstract
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Description
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Jan 22, 2024
Designation of inventor
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Jan 22, 2024
Drawings
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Jan 22, 2024
Previously filed application
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Jan 22, 2024
Request for grant of a European patent
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Jan 22, 2024
Sequence listing
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Oct 5, 2015