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The patent EP3111221 was granted to Ventana Medical Systems on Jan 19, 2022. The application was filed on Feb 20, 2015 under application number EP15706450A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| CMS CAMERON MCKENNA NABARRO OLSWANG | Jul 10, 2019 | CMS CAMERON MCKENNA NABARRO OLSWANG | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2013330325 |
| OPPOSITION | US2013260379 |
| OPPOSITION | US2013330325 |
| OPPOSITION | WO2007045996 |
| OPPOSITION | WO2013107900 |
| OPPOSITION | WO2013186374 |
| OPPOSITION | WO2014005909 |
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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Appeal
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Amended description with annotations
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Description
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Letter accompanying subsequently filed items
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Communication from the Examining Division
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Letter accompanying subsequently filed items
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Request for entry into the European phase
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Information on entry into European phase
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Notification of the recording of a change
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Sep 17, 2015
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Copy of the international search report
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Aug 27, 2015
Published international application - A1
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Abstract
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Feb 20, 2015
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Description
PCTRO
Feb 20, 2015
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