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The patent EP2558153 was granted to Greiner BIO ONE on Aug 20, 2025. The application was filed on Apr 12, 2011 under application number EP11769171A. 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 |
|---|---|---|---|
| POLY MEDICURE | Aug 10, 2020 | THUM | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2006062983 |
| INTERNATIONAL-SEARCH-REPORT | GB2451153 |
| INTERNATIONAL-SEARCH-REPORT | US5458658 |
| INTERNATIONAL-SEARCH-REPORT | WO2005042080 |
| INTERNATIONAL-SEARCH-REPORT | WO2009010847 |
| SEARCH | GB2451153 |
| SEARCH | US2010222746 |
| SEARCH | US5458658 |
| SEARCH | WO0168174 |
| SEARCH | WO2005042080 |
| SEARCH | WO2008021132 |
| SEARCH | WO2009010847 |
| SEARCH | WO9101151 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Claims
Appeal
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Claims
Appeal
Jan 28, 2025
Description
Appeal
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Description
Appeal
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Appeal
Jan 7, 2025
Authorisation
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Jan 7, 2025
Authorisation
Appeal
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(Electronic) Receipt
Appeal
Oct 7, 2024
General enquiry
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
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Appeal
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Appeal
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General authorisation
Appeal
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Notice of appeal
Appeal
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Notice of appeal
Appeal
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OPPO
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(Electronic) Receipt
Search/Exam
Dec 2, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2019
Nov 28, 2019
Decision to grant a European patent
Search/Exam
Nov 19, 2019
(Electronic) Receipt
Search/Exam
Nov 19, 2019
Filing of the translations of the claims
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Nov 19, 2019
French translation of claims
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Nov 19, 2019
German translation of the claims
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Nov 19, 2019
Letter accompanying subsequently filed items
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Aug 6, 2019
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Intention to grant (signatures)
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Aug 6, 2019
Text intended for grant (clean copy)
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Aug 6, 2019
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(Electronic) Receipt
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Mar 8, 2019
Amended claims with annotations
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Mar 8, 2019
Claims
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Mar 8, 2019
Letter accompanying subsequently filed items
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Mar 8, 2019
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Annex to the communication
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Feb 1, 2019
Communication from the Examining Division
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Jan 23, 2019
Examination started
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Jun 2, 2017
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(Electronic) Receipt
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Jan 29, 2014
Letter accompanying subsequently filed items
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Jan 29, 2014
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Jan 2, 2014
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Amended claims with annotations
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Jan 2, 2014
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Amendments received before examination
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Jan 2, 2014
Letter accompanying subsequently filed items
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Nov 12, 2013
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European search opinion
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Oct 24, 2013
Supplementary European search report
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Oct 14, 2013
Search started
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Jan 23, 2013
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Communication to designated inventor
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Nov 7, 2012
(Electronic) Receipt
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Nov 7, 2012
Request for entry into the European phase
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Oct 24, 2012
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Aug 24, 2012
Information on entry into European phase
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Feb 22, 2012
Notification of election of EPO
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Feb 16, 2012
Notification of the recording of a change
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Feb 14, 2012
Notification of the recording of a change
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Feb 7, 2012
Notification of the recording of a change
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Jan 25, 2012
Notification of the recording of a change
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Dec 29, 2011
Copy of the international search report
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Dec 29, 2011
Published international application - A9
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Nov 9, 2011
Oct 20, 2011
Copy of the international search report
Search/Exam
Oct 20, 2011
Published international application - A1
Search/Exam