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The patent EP2893040 was granted to Guardant Health on Jan 2, 2019. The application was filed on Sep 4, 2013 under application number EP13834427A. 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 |
|---|---|---|---|
| GRUNECKER PATENT UND RECHTSANWALTE PARTG MBB | Oct 2, 2019 | - | ADMISSIBLE |
| STRAWMAN | Oct 2, 2019 | MEWBURN ELLIS | ADMISSIBLE |
| FOUNDATION MEDICINE | Oct 2, 2019 | POHLMAN | WITHDRAWN |
| PERSONAL GENOME DIAGNOSTICS | Oct 2, 2019 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US8209130 |
| INTERNATIONAL-SEARCH-REPORT | US2012046877 |
| INTERNATIONAL-SEARCH-REPORT | US2012100548 |
| INTERNATIONAL-SEARCH-REPORT | US2012214678 |
| INTERNATIONAL-SEARCH-REPORT | WO2012106559 |
| OPPOSITION | US2011160078 |
| OPPOSITION | US2012165202 |
| OPPOSITION | US2013137588 |
| OPPOSITION | US2013210643 |
| OPPOSITION | US8481292 |
| OPPOSITION | WO2012042374 |
| OPPOSITION | WO2012129363 |
| OPPOSITION | WO2012142213 |
| OPPOSITION | WO2013123442 |
| OPPOSITION | WO2013138510 |
| OPPOSITION | WO2013142389 |
| OPPOSITION | WO2014039556 |
| SEARCH | US8209130 |
| SEARCH | WO2008154317 |
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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Amended description with annotations
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Description
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French translation of claims
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Letter accompanying subsequently filed items
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Advice of delivery
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Preparation for oral proceedings
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Summons to attend oral proceedings
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Communication from the Examining Division
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Matter concerning the application
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Copy of the international search report
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Published international application - A1
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