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The patent EP2520301 was granted to Techsphere on Mar 3, 2021. The application was filed on Dec 14, 2010 under application number EP10837927A. 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 |
|---|---|---|---|
| BESINS HEALTHCARE MONACO SAM | Feb 8, 2018 | NEDERLANDSCH OCTROOIBUREAU | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2005025827 |
| DESCRIPTION | US3733407 |
| DESCRIPTION | US4425339 |
| DESCRIPTION | US4900734 |
| DESCRIPTION | US4945103 |
| DESCRIPTION | US5514382 |
| INTERNATIONAL-SEARCH-REPORT | US6077531 |
| INTERNATIONAL-SEARCH-REPORT | US6287693 |
| INTERNATIONAL-SEARCH-REPORT | WO2004110408 |
| OPPOSITION | US2005025827 |
| OPPOSITION | US5360616 |
| OPPOSITION | US5643604 |
| OPPOSITION | US6077531 |
| OPPOSITION | US6287693 |
| SEARCH | EP1820494 |
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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Claims
OPPO
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OPPO
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Claims
OPPO
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May 10, 2017
Apr 20, 2017
Submission concerning representation
Search/Exam
Apr 13, 2017
Decision to grant a European patent
Search/Exam
Mar 30, 2017
(Electronic) Receipt
Search/Exam
Mar 30, 2017
Filing of the translations of the claims
Search/Exam
Mar 30, 2017
French translation of claims
Search/Exam
Mar 30, 2017
German translation of the claims
Search/Exam
Mar 30, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2016
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Intention to grant (signatures)
Search/Exam
Dec 6, 2016
Text intended for grant (clean copy)
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Dec 6, 2016
May 4, 2016
(Electronic) Receipt
Search/Exam
May 4, 2016
Amended claims with annotations
Search/Exam
May 4, 2016
Claims
Search/Exam
May 4, 2016
Letter accompanying subsequently filed items
Search/Exam
May 4, 2016
Jan 14, 2016
Annex to the communication
Search/Exam
Jan 14, 2016
Communication from the Examining Division
Search/Exam
Jan 8, 2016
Examination started
Search/Exam
Apr 17, 2014
(Electronic) Receipt
Search/Exam
Apr 17, 2014
Apr 17, 2014
Amended claims with annotations
Search/Exam
Apr 17, 2014
Amendments received before examination
Search/Exam
Apr 17, 2014
Letter accompanying subsequently filed items
Search/Exam
Oct 9, 2013
Sep 19, 2013
Sep 19, 2013
European search opinion
Search/Exam
Sep 19, 2013
Supplementary European search report
Search/Exam
Sep 11, 2013
Search started
Search/Exam
Oct 10, 2012
Notification of forthcoming publication
Search/Exam
Aug 14, 2012
Jul 4, 2012
Jun 26, 2012
(Electronic) Receipt
Search/Exam
Jun 26, 2012
Abstract
Search/Exam
Jun 26, 2012
Letter accompanying subsequently filed items
Search/Exam
Jun 26, 2012
Matter concerning the application
Search/Exam
Jun 19, 2012
Jun 11, 2012
May 23, 2012
(Electronic) Receipt
Search/Exam
May 23, 2012
Claims
Search/Exam
May 23, 2012
Description
Search/Exam
May 23, 2012
Drawings
Search/Exam
May 23, 2012
Request for entry into the European phase
Search/Exam
Apr 27, 2012
Information on entry into European phase
Search/Exam
Mar 15, 2012
Notification of the recording of a change
Search/Exam
Sep 22, 2011
Copy of the international search report
Search/Exam
Sep 22, 2011
Sep 22, 2011
Jul 13, 2011
Jun 23, 2011
Published international application - A2
Search/Exam