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The patent EP3301446 was granted to Caris MPI on Apr 15, 2020. The application was filed on Feb 11, 2010 under application number EP17190657A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| JAMES POOLE | Jan 15, 2021 | CARPMAELS & RANSFORD | ADMISSIBLE |
| CALYSTA | Dec 30, 2020 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US20010013598 |
| DESCRIPTION | US20010854317 |
| DESCRIPTION | US20010916135 |
| DESCRIPTION | US20020065856 |
| DESCRIPTION | US20020065868 |
| DESCRIPTION | US20020197621 |
| DESCRIPTION | US20020328818 |
| DESCRIPTION | US20020328872 |
| DESCRIPTION | US20030389194 |
| DESCRIPTION | US20030423403 |
| DESCRIPTION | US20030493495 |
| DESCRIPTION | US20060804818 |
| DESCRIPTION | US20070950395 |
| DESCRIPTION | US20080021871 |
| DESCRIPTION | EP0332435 |
| DESCRIPTION | US2002183936 |
| DESCRIPTION | US2003082543 |
| DESCRIPTION | US2003096235 |
| DESCRIPTION | US3817837 |
| DESCRIPTION | US3850752 |
| DESCRIPTION | US3939350 |
| DESCRIPTION | US3996345 |
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| DESCRIPTION | US4277437 |
| DESCRIPTION | US4366241 |
| DESCRIPTION | US4376110 |
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| DESCRIPTION | WO8810315 |
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| DESCRIPTION | WO9936760 |
| DESCRIPTION | WO9947964 |
| OPPOSITION | US2007254295 |
| OPPOSITION | US2009181371 |
| OPPOSITION | WO2010028288 |
| OTHER | WO2007137187 |
| SEARCH | WO2006086777 |
| SEARCH | WO2007009013 |
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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Apr 24, 2025
Refund of fees
Appeal
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Refund of fees
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Reply to appeal
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Appeal
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Appeal
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Appeal
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Apr 27, 2020
Mar 19, 2020
Decision to grant a European patent
Search/Exam
Mar 6, 2020
(Electronic) Receipt
Search/Exam
Mar 6, 2020
Filing of the translations of the claims
Search/Exam
Mar 6, 2020
French translation of claims
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Mar 6, 2020
German translation of the claims
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Mar 6, 2020
Letter accompanying subsequently filed items
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Jan 24, 2020
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Intention to grant (signatures)
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Jan 24, 2020
Text intended for grant (clean copy)
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Jan 24, 2020
Dec 19, 2019
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Dec 19, 2019
Letter accompanying subsequently filed items
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Dec 19, 2019
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Intention to grant (signatures)
Search/Exam
Dec 4, 2019
Text intended for grant (clean copy)
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Dec 4, 2019
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(Electronic) Receipt
Search/Exam
Jul 4, 2019
Amended description with annotations
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Jul 4, 2019
Description
Search/Exam
Jul 4, 2019
Letter accompanying subsequently filed items
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Jul 4, 2019
Apr 12, 2019
Annex to the communication
Search/Exam
Apr 12, 2019
Communication from the Examining Division
Search/Exam
Apr 8, 2019
Examination started
Search/Exam
Mar 12, 2019
Decision to allow further processing
Search/Exam
Feb 12, 2019
(Electronic) Receipt
Search/Exam
Feb 12, 2019
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Amended claims with annotations
Search/Exam
Feb 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 12, 2019
Request for further processing
Search/Exam
Jan 8, 2019
Registration under Rule 23 EPC
Search/Exam
Dec 19, 2018
(Electronic) Receipt
Search/Exam
Dec 19, 2018
Annex
Search/Exam
Dec 19, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 19, 2018
Letter to the Legal Division
Search/Exam
Dec 4, 2018
Oct 4, 2018
(Electronic) Receipt
Search/Exam
Oct 4, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 4, 2018
Letter concerning fees and payments
Search/Exam
May 16, 2018
(Electronic) Receipt
Search/Exam
May 16, 2018
Letter accompanying subsequently filed items
Search/Exam
May 16, 2018
Letter concerning fees and payments
Search/Exam
Apr 9, 2018
Apr 5, 2018
Mar 27, 2018
Mar 19, 2018
Letter which had not been notified
Search/Exam
Mar 7, 2018
Notification of forthcoming publication
Search/Exam
Feb 15, 2018
Feb 6, 2018
(Electronic) Receipt
Search/Exam
Feb 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 6, 2018
Jan 31, 2018
Refund of fees
Search/Exam
Jan 24, 2018
Jan 24, 2018
European search opinion
Search/Exam
Jan 24, 2018
European search report
Search/Exam
Jan 24, 2018
Information on Search Strategy
Search/Exam
Jan 2, 2018
Dec 13, 2017
Letter which had not been notified
Search/Exam
Nov 6, 2017
Communication to designated inventor
Search/Exam
Nov 6, 2017
Communication to designated inventor
Search/Exam
Nov 6, 2017
Communication to designated inventor
Search/Exam
Nov 6, 2017
Communication to designated inventor
Search/Exam
Nov 6, 2017
Communication to designated inventor
Search/Exam
Nov 6, 2017
Communication to designated inventor
Search/Exam
Nov 6, 2017
Communication to designated inventor
Search/Exam
Nov 6, 2017
Communication to designated inventor
Search/Exam
Nov 6, 2017
Communication to designated inventor
Search/Exam
Sep 12, 2017
Abstract
Search/Exam
Sep 12, 2017
Sep 12, 2017
Claims
Search/Exam
Sep 12, 2017
Description
Search/Exam
Sep 12, 2017
Designation of inventor
Search/Exam
Sep 12, 2017
Drawings
Search/Exam
Sep 12, 2017
Matter concerning the application
Search/Exam
Sep 12, 2017
Request for grant of a European patent
Search/Exam
Sep 7, 2010
Sep 7, 2010
Sep 7, 2010