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The patent EP2404151 was granted to University OF North Carolina AT Charlotte on Aug 13, 2025. The application was filed on Mar 3, 2010 under application number EP10710120A. 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 |
|---|---|---|---|
| ACOUSTIC SENSING TECHNOLOGY UK | Feb 5, 2018 | TLIP | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US2003033879 |
| EXAMINATION | US2005210960 |
| INTERNATIONAL-SEARCH-REPORT | EP0942274 |
| INTERNATIONAL-SEARCH-REPORT | US2005145018 |
| INTERNATIONAL-SEARCH-REPORT | US2007041333 |
| INTERNATIONAL-SEARCH-REPORT | US4361030 |
| INTERNATIONAL-SEARCH-REPORT | US5708195 |
| OPPOSITION | US2003033879 |
| OPPOSITION | US2005210960 |
| OPPOSITION | US2009250125 |
| OPPOSITION | WO2010101966 |
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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Refund of fees
Search/Exam
Apr 3, 2025
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(Electronic) Receipt
Appeal
Apr 2, 2025
Apr 2, 2025
Withdrawal of an appeal
Appeal
Mar 24, 2025
(Electronic) Receipt
Appeal
Mar 24, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Feb 21, 2024
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Notice of appeal
Appeal
Jan 11, 2024
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OPPO
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(Electronic) Receipt
Appeal
Mar 5, 2020
Mar 5, 2020
Reply to appeal
Appeal
Oct 28, 2019
Oct 23, 2019
(Electronic) Receipt
Appeal
Oct 23, 2019
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Claims
Appeal
Oct 23, 2019
Claims
Appeal
Oct 23, 2019
Claims
Appeal
Oct 23, 2019
Claims
Appeal
Oct 23, 2019
Claims
Appeal
Oct 23, 2019
Claims
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Oct 23, 2019
Claims
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Oct 23, 2019
Claims
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Oct 23, 2019
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Advice of delivery
Appeal
Sep 5, 2019
Sep 4, 2019
(Electronic) Receipt
Appeal
Sep 4, 2019
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Aug 26, 2019
(Electronic) Receipt
Appeal
Aug 26, 2019
Claims
Appeal
Aug 26, 2019
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Notice of appeal
Appeal
Jul 9, 2019
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OPPO
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May 3, 2017
Apr 6, 2017
Decision to grant a European patent
Search/Exam
Mar 23, 2017
(Electronic) Receipt
Search/Exam
Mar 23, 2017
French translation of claims
Search/Exam
Mar 23, 2017
German translation of the claims
Search/Exam
Mar 23, 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)
Search/Exam
Dec 6, 2016
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Claims
Search/Exam
Sep 6, 2016
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Submission concerning representation
Search/Exam
May 3, 2016
Annex to the communication
Search/Exam
May 3, 2016
Communication from the Examining Division
Search/Exam
Apr 22, 2016
Submission concerning representation
Search/Exam
Apr 21, 2016
Examination started
Search/Exam
Feb 16, 2016
Feb 11, 2016
General enquiry
Search/Exam
Apr 1, 2014
Submission concerning representation
Search/Exam
Mar 3, 2012
Letter concerning fees and payments
Search/Exam
Dec 14, 2011
Sep 29, 2011
Sep 21, 2011
Sep 2, 2011
(Electronic) Receipt
Search/Exam
Sep 2, 2011
Sep 2, 2011
Request for entry into the European phase
Search/Exam
Jul 15, 2011
Information on entry into European phase
Search/Exam
Sep 29, 2010
Sep 10, 2010
Copy of the international search report
Search/Exam
Sep 10, 2010
Published international application - A1
Search/Exam
Jun 11, 2010
Jun 11, 2010
Jun 11, 2010
Mar 15, 2010
Abstract
PCTISA
Mar 15, 2010
Claims
PCTISA
Mar 15, 2010
Description
PCTISA
Mar 15, 2010
Drawings
PCTISA
Mar 15, 2010