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The patent EP2898329 was granted to Ventana Medical Systems on May 17, 2017. The application was filed on Mar 14, 2013 under application number EP13712120A. 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 |
|---|---|---|---|
| HOFFMANN EITLE | Feb 19, 2018 | - | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0120694 |
| DESCRIPTION | EP0125023 |
| DESCRIPTION | EP0256654 |
| DESCRIPTION | US2012171668 |
| DESCRIPTION | US4444487 |
| DESCRIPTION | US4745055 |
| DESCRIPTION | US7230098 |
| DESCRIPTION | US7825137 |
| DESCRIPTION | US7858643 |
| DESCRIPTION | US8217057 |
| DESCRIPTION | WO8803565 |
| INTERNATIONAL-SEARCH-REPORT | WO2012070730 |
| OPPOSITION | WO2012070730 |
| OTHER | WO2012070730 |
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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OPPO
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OPPO
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OPPO
Mar 25, 2019
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OPPO
Mar 25, 2019
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OPPO
Mar 25, 2019
Claims
OPPO
Mar 25, 2019
Description
OPPO
Mar 25, 2019
Description
OPPO
Mar 25, 2019
Description
OPPO
Mar 25, 2019
Description
OPPO
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Claims
OPPO
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OPPO
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OPPO
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OPPO
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May 18, 2017
Apr 21, 2017
Decision to grant a European patent
Search/Exam
Apr 10, 2017
(Electronic) Receipt
Search/Exam
Apr 10, 2017
French translation of claims
Search/Exam
Apr 10, 2017
German translation of the claims
Search/Exam
Apr 10, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2017
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Intention to grant (signatures)
Search/Exam
Jan 24, 2017
Text intended for grant (clean copy)
Search/Exam
Jan 24, 2017
Nov 22, 2016
(Electronic) Receipt
Search/Exam
Nov 22, 2016
Amended claims with annotations
Search/Exam
Nov 22, 2016
Amended description with annotations
Search/Exam
Nov 22, 2016
Claims
Search/Exam
Nov 22, 2016
Description
Search/Exam
Nov 22, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 22, 2016
Oct 27, 2016
Oct 14, 2016
Non-patent literature filed by a third party
Search/Exam
Oct 14, 2016
Non-patent literature filed by a third party
Search/Exam
Oct 14, 2016
Non-patent literature filed by a third party
Search/Exam
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Non-patent literature filed by a third party
Search/Exam
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Non-patent literature filed by a third party
Search/Exam
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Non-patent literature filed by a third party
Search/Exam
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Non-patent literature filed by a third party
Search/Exam
Oct 14, 2016
Observations by third parties
Search/Exam
Oct 14, 2016
Patent document filed by a Third party
Search/Exam
Aug 25, 2016
Annex to the communication
Search/Exam
Aug 25, 2016
Communication from the Examining Division
Search/Exam
Apr 21, 2016
(Electronic) Receipt
Search/Exam
Apr 21, 2016
Amended claims with annotations
Search/Exam
Apr 21, 2016
Annex
Search/Exam
Apr 21, 2016
Claims
Search/Exam
Apr 21, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 21, 2016
Apr 4, 2016
Mar 24, 2016
(Electronic) Receipt
Search/Exam
Mar 24, 2016
Feb 15, 2016
Annex to the communication
Search/Exam
Feb 15, 2016
Communication from the Examining Division
Search/Exam
Jul 1, 2015
May 8, 2015
May 6, 2015
Communication to designated inventor
Search/Exam
May 6, 2015
Communication to designated inventor
Search/Exam
May 6, 2015
Communication to designated inventor
Search/Exam
May 6, 2015
Communication to designated inventor
Search/Exam
May 6, 2015
Communication to designated inventor
Search/Exam
May 6, 2015
Communication to designated inventor
Search/Exam
May 6, 2015
Communication to designated inventor
Search/Exam
May 6, 2015
Communication to designated inventor
Search/Exam
Apr 8, 2015
Mar 6, 2015
(Electronic) Receipt
Search/Exam
Mar 6, 2015
Mar 6, 2015
Amended claims with annotations
Search/Exam
Mar 6, 2015
Request for entry into the European phase
Search/Exam
Jan 30, 2015
Information on entry into European phase
Search/Exam
Apr 14, 2014
Mar 27, 2014
Copy of the international search report
Search/Exam
Mar 27, 2014
Published international application - A1
Search/Exam
Jun 5, 2013
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Mar 25, 2013
Abstract
PCTISA
Mar 25, 2013
Claims
PCTISA
Mar 25, 2013
Description
PCTISA
Mar 25, 2013
Drawings
PCTISA