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The patent EP3524694 was granted to Guardant Health on Jul 15, 2020. The application was filed on Dec 24, 2014 under application number EP19163403A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| BUHLER | Apr 15, 2021 | MAIWALD | ADMISSIBLE |
| FOUNDATION MEDICINE | Apr 15, 2021 | POHLMAN | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2013US58061 |
| DESCRIPTION | US2001053519 |
| DESCRIPTION | US2003152490 |
| DESCRIPTION | US2011160078 |
| DESCRIPTION | US6582908 |
| OPPOSITION | EP2893040 |
| OPPOSITION | EP3378952 |
| OPPOSITION | EP3524694 |
| OPPOSITION | US201361921456P |
| OPPOSITION | US201461948509P |
| OPPOSITION | WO2012004237 |
| OPPOSITION | WO2012038839 |
| OPPOSITION | WO2012099832 |
| OPPOSITION | WO2012142213 |
| OPPOSITION | WO2013123442 |
| OPPOSITION | WO2013142389 |
| OPPOSITION | WO2014039556 |
| OPPOSITION | WO2015100427 |
| SEARCH | WO2012038839 |
| SEARCH | WO2012054873 |
| SEARCH | WO2013123442 |
| SEARCH | WO2013142389 |
| SEARCH | WO2013181170 |
| SEARCH | WO2014039556 |
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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Communication of amended entries
Search/Exam
Oct 21, 2022
Annexes in respect of a client data request
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Oct 21, 2022
Letter accompanying subsequently filed items
Search/Exam
Oct 21, 2022
Request concerning representative opponent
Search/Exam
Oct 20, 2022
Communication of amended entries
Search/Exam
Oct 13, 2022
Request concerning representative opponent
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
Aug 5, 2021
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Authorisation
OPPO
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Jul 27, 2020
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Decision to grant a European patent
Search/Exam
Jun 3, 2020
(Electronic) Receipt
Search/Exam
Jun 3, 2020
Filing of the translations of the claims
Search/Exam
Jun 3, 2020
French translation of claims
Search/Exam
Jun 3, 2020
German translation of the claims
Search/Exam
Jun 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 11, 2020
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Intention to grant (signatures)
Search/Exam
Mar 11, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 11, 2020
Feb 4, 2020
Examination started
Search/Exam
Jan 13, 2020
(Electronic) Receipt
Search/Exam
Jan 13, 2020
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Amended description with annotations
Search/Exam
Jan 13, 2020
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Search/Exam
Jan 13, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 20, 2019
Jul 17, 2019
Notification of forthcoming publication
Search/Exam
Jun 13, 2019
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Letter which had not been notified
Search/Exam
May 29, 2019
Refund of fees
Search/Exam
May 13, 2019
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European search opinion
Search/Exam
May 13, 2019
European search report
Search/Exam
May 13, 2019
Information on Search Strategy
Search/Exam
May 10, 2019
Communication to designated inventor
Search/Exam
May 10, 2019
Communication to designated inventor
Search/Exam
Apr 17, 2019
Search started
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Mar 18, 2019
Abstract
Search/Exam
Mar 18, 2019
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Claims
Search/Exam
Mar 18, 2019
Description
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Mar 18, 2019
Designation of inventor
Search/Exam
Mar 18, 2019
Drawings
Search/Exam
Mar 18, 2019
Letter concerning search matters
Search/Exam
Mar 18, 2019
Letter concerning search matters
Search/Exam
Mar 18, 2019
Matter concerning the application
Search/Exam
Mar 18, 2019
Request for grant of a European patent
Search/Exam
Jul 23, 2015
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