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The patent EP4219687 was granted to Juno Therapeutics on Aug 14, 2024. The application was filed on Apr 23, 2015 under application number EP23164036A. 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 |
|---|---|---|---|
| AMMELBURG | May 14, 2025 | FISH & RICHARDSON PC | ADMISSIBLE |
| ARROWHOUSE | May 14, 2025 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | ADMISSIBLE |
| POHLMAN | Oct 29, 2024 | POHLMAN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO1991US08442 |
| DESCRIPTION | WO1994US05601 |
| DESCRIPTION | EP0452342 |
| DESCRIPTION | EP2537416 |
| DESCRIPTION | US2002131960 |
| DESCRIPTION | US2003170238 |
| DESCRIPTION | US2004082012 |
| DESCRIPTION | US2011003380 |
| DESCRIPTION | US2013287748 |
| DESCRIPTION | US2015024411 |
| DESCRIPTION | US4235871 |
| DESCRIPTION | US4452773 |
| DESCRIPTION | US4501728 |
| DESCRIPTION | US4690915 |
| DESCRIPTION | US4795698 |
| DESCRIPTION | US4837028 |
| DESCRIPTION | US5019369 |
| DESCRIPTION | US5087616 |
| DESCRIPTION | US5200084 |
| DESCRIPTION | US5219740 |
| DESCRIPTION | US5506121 |
| DESCRIPTION | US6040177 |
| DESCRIPTION | US6103493 |
| DESCRIPTION | US6207453 |
| DESCRIPTION | US6451995 |
| DESCRIPTION | US7446190 |
| DESCRIPTION | US7482000 |
| DESCRIPTION | US7981632 |
| DESCRIPTION | WO0014257 |
| DESCRIPTION | WO02077018 |
| DESCRIPTION | WO2009072003 |
| DESCRIPTION | WO2010033140 |
| DESCRIPTION | WO2013011011 |
| DESCRIPTION | WO2013126726 |
| DESCRIPTION | WO2014076277 |
| OPPOSITION | EP4219687 |
| OPPOSITION | US2013287748 |
| OPPOSITION | WO02077029 |
| OPPOSITION | WO2009091826 |
| OPPOSITION | WO2012079000 |
| OPPOSITION | WO2013192294 |
| OPPOSITION | WO2014012001 |
| OPPOSITION | WO2014031687 |
| OPPOSITION | WO2014127261 |
| OPPOSITION | WO2014186469 |
| OPPOSITION | WO2015164675 |
| SEARCH | WO2007117602 |
| SEARCH | WO2009072003 |
| SEARCH | WO2013011011 |
| SEARCH | WO2013038272 |
| SEARCH | WO2013124474 |
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.
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Description
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OPPO
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Decision to grant a European patent
Search/Exam
Jul 9, 2024
(Electronic) Receipt
Search/Exam
Jul 9, 2024
Filing of the translations of the claims
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Jul 9, 2024
French translation of claims
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Jul 9, 2024
German translation of the claims
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Jul 9, 2024
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jun 28, 2024
Text intended for grant (clean copy)
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Jun 28, 2024
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(Electronic) Receipt
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Jun 13, 2024
Letter accompanying subsequently filed items
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Intention to grant (signatures)
Search/Exam
Jun 4, 2024
Text intended for grant (clean copy)
Search/Exam
Jun 4, 2024
Mar 7, 2024
(Electronic) Receipt
Search/Exam
Mar 7, 2024
Amended claims with annotations
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Mar 7, 2024
Amended description with annotations
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Mar 7, 2024
Claims
Search/Exam
Mar 7, 2024
Description
Search/Exam
Mar 7, 2024
Letter accompanying subsequently filed items
Search/Exam
Mar 7, 2024
Nov 10, 2023
Annex to the communication
Search/Exam
Nov 10, 2023
Communication from the Examining Division
Search/Exam
Nov 7, 2023
Examination started
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Sep 7, 2023
(Electronic) Receipt
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Sep 7, 2023
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Amended description with annotations
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Sep 7, 2023
Amendments received before examination
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Sep 7, 2023
Letter accompanying subsequently filed items
Search/Exam
Aug 7, 2023
Jul 5, 2023
Notification of forthcoming publication
Search/Exam
Jun 21, 2023
Refund of fees
Search/Exam
Jun 16, 2023
Jun 16, 2023
European search opinion
Search/Exam
Jun 16, 2023
European search report
Search/Exam
Jun 16, 2023
Information on Search Strategy
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Jun 5, 2023
Search started
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Mar 24, 2023
Abstract
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Mar 24, 2023
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Claims
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Mar 24, 2023
Converted Sequence Listing
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Mar 24, 2023
Description
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Mar 24, 2023
Designation of inventor
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Mar 24, 2023
Drawings
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Mar 24, 2023
Letter concerning search matters
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Mar 24, 2023
Matter concerning the application
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Mar 24, 2023
Request for grant of a European patent
Search/Exam
Nov 16, 2015