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The patent EP3004349 was granted to Cellectis on Mar 28, 2018. The application was filed on May 28, 2014 under application number EP14727479A. 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 |
|---|---|---|---|
| STRAWMAN | Dec 31, 2018 | GREAVES BREWSTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2014089290 |
| EXAMINATION | WO2014093694 |
| EXAMINATION | WO2014150624 |
| INTERNATIONAL-SEARCH-REPORT | WO2013141680 |
| INTERNATIONAL-SEARCH-REPORT | WO2013142578 |
| INTERNATIONAL-SEARCH-REPORT | WO2014065596 |
| OPPOSITION | EP3138912 |
| OPPOSITION | WO2014089290 |
| OPPOSITION | WO2014150624 |
| OTHER | EP3004349 |
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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General authorisation
Appeal
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Appeal
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General authorisation
Appeal
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(Electronic) Receipt
Appeal
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Advice of delivery
Appeal
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Reply to appeal
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Notice of appeal
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Decision to grant a European patent
Search/Exam
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Search/Exam
Feb 15, 2018
Filing of the translations of the claims
Search/Exam
Feb 15, 2018
French translation of claims
Search/Exam
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German translation of the claims
Search/Exam
Feb 15, 2018
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
Search/Exam
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Text intended for grant (sequence listing)
Search/Exam
Oct 17, 2017
Jul 13, 2017
(Electronic) Receipt
Search/Exam
Jul 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 13, 2017
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Annex to the communication
Search/Exam
Apr 6, 2017
Communication from the Examining Division
Search/Exam
Mar 14, 2017
(Electronic) Receipt
Search/Exam
Mar 14, 2017
Amended claims with annotations
Search/Exam
Mar 14, 2017
Claims
Search/Exam
Mar 14, 2017
Description
Search/Exam
Mar 14, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 14, 2017
Nov 4, 2016
Annex to the communication
Search/Exam
Nov 4, 2016
Communication from the Examining Division
Search/Exam
Oct 21, 2016
(Electronic) Receipt
Search/Exam
Oct 21, 2016
Amended claims with annotations
Search/Exam
Oct 21, 2016
Claims
Search/Exam
Oct 21, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 21, 2016
Matter concerning the application
Search/Exam
Oct 21, 2016
Jun 14, 2016
Annex to the communication
Search/Exam
Jun 14, 2016
Communication from the Examining Division
Search/Exam
May 25, 2016
Refund of fees
Search/Exam
Mar 16, 2016
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(Electronic) Receipt
Search/Exam
Mar 3, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 3, 2016
Submission concerning representation
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Feb 25, 2016
(Electronic) Receipt
Search/Exam
Feb 25, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 25, 2016
Jan 11, 2016
Communication to designated inventor
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Jan 11, 2016
Communication to designated inventor
Search/Exam
Jan 6, 2016
Priority search results copy provided by EPO
Search/Exam
Dec 18, 2015
(Electronic) Receipt
Search/Exam
Dec 18, 2015
Dec 18, 2015
Amended claims with annotations
Search/Exam
Dec 18, 2015
Matter concerning the application
Search/Exam
Dec 18, 2015
Request for entry into the European phase
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Dec 14, 2015
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Observations by third parties
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Dec 1, 2015
Patent document filed by a Third party
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Dec 1, 2015
Patent document filed by a Third party
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Dec 1, 2015
Patent document filed by a Third party
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Oct 9, 2015
Information on entry into European phase
Search/Exam
Jan 27, 2015
Notification of the recording of a change
Search/Exam
Dec 22, 2014
Dec 4, 2014
Converted Sequence Listing
Search/Exam
Dec 4, 2014
Copy of the international search report
Search/Exam
Dec 4, 2014
Published international application - A1
Search/Exam
Oct 20, 2014
Oct 20, 2014
Oct 20, 2014
May 28, 2014
(Electronic) Receipt
PCTRO
May 28, 2014
Abstract
PCTRO
May 28, 2014
Claims
PCTRO
May 28, 2014
Description
PCTRO
May 28, 2014
Description
Appeal
May 28, 2014
Drawings
PCTRO