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The patent EP3302507 was granted to Kite Pharma on Feb 22, 2023. The application was filed on May 27, 2016 under application number EP16800846A. 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 | Nov 22, 2023 | 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 | US2002006409 |
| DESCRIPTION | US2014154228 |
| DESCRIPTION | US5728388 |
| DESCRIPTION | WO2008081035 |
| INTERNATIONAL-SEARCH-REPORT | US2013195800 |
| INTERNATIONAL-SEARCH-REPORT | US2014377334 |
| INTERNATIONAL-SEARCH-REPORT | WO2013169386 |
| INTERNATIONAL-SEARCH-REPORT | WO2015069770 |
| OTHER | US2018344767 |
| SEARCH | WO2016191756 |
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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Dec 2, 2025
Nov 24, 2025
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Sep 23, 2025
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Notice of appeal
Appeal
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OPPO
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(Electronic) Receipt
Search/Exam
May 11, 2023
Letter accompanying subsequently filed items
Search/Exam
May 11, 2023
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Decision to grant a European patent
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Jan 3, 2023
(Electronic) Receipt
Search/Exam
Jan 3, 2023
Filing of the translations of the claims
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Jan 3, 2023
French translation of claims
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Jan 3, 2023
German translation of the claims
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Jan 3, 2023
Letter accompanying subsequently filed items
Search/Exam
Sep 16, 2022
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Intention to grant (signatures)
Search/Exam
Sep 16, 2022
Text intended for grant (clean copy)
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Sep 16, 2022
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Feb 9, 2022
Non-patent literature filed by a third party
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Feb 9, 2022
Non-patent literature filed by a third party
Search/Exam
Feb 9, 2022
Observations by third parties
Search/Exam
Oct 29, 2021
(Electronic) Receipt
Search/Exam
Oct 29, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 29, 2021
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Annex to the communication
Search/Exam
Jun 23, 2021
Communication from the Examining Division
Search/Exam
Feb 1, 2021
Jan 25, 2021
Non-patent literature filed by a third party
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Jan 25, 2021
Non-scannable object
Search/Exam
Jan 25, 2021
Observations by third parties
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Aug 10, 2020
(Electronic) Receipt
Search/Exam
Aug 10, 2020
Amended claims with annotations
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Aug 10, 2020
Claims
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Aug 10, 2020
Description
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Aug 10, 2020
Letter accompanying subsequently filed items
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Aug 10, 2020
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Annex to the communication
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Apr 3, 2020
Communication from the Examining Division
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Mar 26, 2020
Examination started
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Jul 3, 2019
(Electronic) Receipt
Search/Exam
Jul 3, 2019
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Amended claims with annotations
Search/Exam
Jul 3, 2019
Amendments received before examination
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Jul 3, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 8, 2019
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European search opinion
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Dec 12, 2018
Information on Search Strategy
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Dec 12, 2018
Supplementary European search report
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Nov 23, 2018
Search started
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Jul 18, 2018
(Electronic) Receipt
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Jul 18, 2018
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Amended claims with annotations
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Jul 18, 2018
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Jul 18, 2018
Letter accompanying subsequently filed items
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Mar 14, 2018
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Jan 5, 2018
Communication to designated inventor
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Jan 3, 2018
Dec 18, 2017
(Electronic) Receipt
Search/Exam
Dec 18, 2017
Annex
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Dec 18, 2017
Annex
Search/Exam
Dec 18, 2017
Matter concerning the application
Search/Exam
Dec 18, 2017
Request for entry into the European phase
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Dec 18, 2017
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Notification of the recording of a change
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Nov 7, 2017
Notification of the recording of a change
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Nov 7, 2017
Notification of the recording of a change
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Oct 6, 2017
Information on entry into European phase
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Dec 19, 2016
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Dec 1, 2016
Copy of the international search report
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Dec 1, 2016
Published international application - A1
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