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The patent EP2542590 was granted to The Johns Hopkins University on Apr 1, 2020. The application was originally filed on Mar 4, 2011 under application number EP11751481A. 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 |
|---|---|---|---|
| ARES TRADING | Feb 2, 2018 | HOFFMANN EITLE | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2005054832 |
| DESCRIPTION | US4244946 |
| DESCRIPTION | US4816567 |
| DESCRIPTION | US5631146 |
| DESCRIPTION | US5691145 |
| DESCRIPTION | US5736167 |
| DESCRIPTION | US5821337 |
| DESCRIPTION | US7060808 |
| INTERNATIONAL-SEARCH-REPORT | US2006135459 |
| INTERNATIONAL-SEARCH-REPORT | US2006263368 |
| INTERNATIONAL-SEARCH-REPORT | US2007212337 |
| INTERNATIONAL-SEARCH-REPORT | US2008075717 |
| INTERNATIONAL-SEARCH-REPORT | US2009226435 |
| OPPOSITION | US2007244042 |
| OPPOSITION | WO2009152610 |
| OPPOSITION | WO2010003118 |
| OPPOSITION | WO2011109789 |
| OTHER | EP2542590 |
| OTHER | US2003125251 |
| SEARCH | US2005054832 |
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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Submission concerning representation
Search/Exam
May 3, 2017
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Decision to grant a European patent
Search/Exam
Feb 28, 2017
(Electronic) Receipt
Search/Exam
Feb 28, 2017
Filing of the translations of the claims
Search/Exam
Feb 28, 2017
French translation of claims
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German translation of the claims
Search/Exam
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Intention to grant (signatures)
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Nov 7, 2016
Text intended for grant (clean copy)
Search/Exam
Nov 7, 2016
Text intended for grant (sequence listing)
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Jul 28, 2016
(Electronic) Receipt
Search/Exam
Jul 28, 2016
Amended claims with annotations
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Amended description with annotations
Search/Exam
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Claims
Search/Exam
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Description
Search/Exam
Jul 28, 2016
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
Search/Exam
Jan 18, 2016
Examination started
Search/Exam
Jan 27, 2014
(Electronic) Receipt
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Jan 27, 2014
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Amended claims with annotations
Search/Exam
Jan 27, 2014
Amendments received before examination
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Amendments received before examination
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Jan 27, 2014
Letter accompanying subsequently filed items
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Jul 16, 2013
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European search opinion
Search/Exam
Jun 27, 2013
Supplementary European search report
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Apr 24, 2013
(Electronic) Receipt
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Amendments received before examination
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Apr 24, 2013
Letter accompanying subsequently filed items
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
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Oct 5, 2012
(Electronic) Receipt
Search/Exam
Oct 5, 2012
Annex
Search/Exam
Oct 5, 2012
Converted Sequence Listing
Search/Exam
Oct 5, 2012
Request for entry into the European phase
Search/Exam
Oct 5, 2012
Submission concerning representation
Search/Exam
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Jul 13, 2012
Information on entry into European phase
Search/Exam
Apr 5, 2012
Copy of the international search report
Search/Exam
Apr 5, 2012
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Converted Sequence Listing
Search/Exam
Sep 9, 2011
Published international application - A2
Search/Exam