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The patent EP2504041 was granted to Difusion on Apr 12, 2017. The application was filed on Nov 24, 2010 under application number EP10833925A. 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 |
|---|---|---|---|
| ETHICAL MEDICAL IMPLANTS | Jan 12, 2018 | IPSIDE | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US4906464 |
| INTERNATIONAL-SEARCH-REPORT | US5100671 |
| INTERNATIONAL-SEARCH-REPORT | US6296863 |
| INTERNATIONAL-SEARCH-REPORT | US6582715 |
| INTERNATIONAL-SEARCH-REPORT | US7354605 |
| OPPOSITION | FR2912740 |
| OPPOSITION | FR2915088 |
| OPPOSITION | US2006052479 |
| OPPOSITION | US4775585 |
| SEARCH | EP0722660 |
| SEARCH | US4775585 |
| SEARCH | US4938955 |
| SEARCH | US4959268 |
| SEARCH | US6582715 |
| SEARCH | WO2008150867 |
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
Mar 19, 2019
Claims
OPPO
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Claims
OPPO
Mar 19, 2019
Claims
OPPO
Mar 19, 2019
Claims
OPPO
Mar 19, 2019
Claims
OPPO
Mar 19, 2019
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Jul 10, 2017
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Jul 4, 2017
Jun 30, 2017
Apr 12, 2017
Mar 16, 2017
Decision to grant a European patent
Search/Exam
Mar 15, 2017
Decision to allow further processing
Search/Exam
Mar 2, 2017
(Electronic) Receipt
Search/Exam
Mar 2, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 2, 2017
Letter concerning fees and payments
Search/Exam
Feb 27, 2017
(Electronic) Receipt
Search/Exam
Feb 27, 2017
French translation of claims
Search/Exam
Feb 27, 2017
German translation of the claims
Search/Exam
Feb 27, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 27, 2017
Request for further processing
Search/Exam
Jan 4, 2017
Dec 16, 2016
Nov 16, 2016
Nov 16, 2016
Oct 28, 2016
Oct 27, 2016
Jun 28, 2016
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Jun 28, 2016
Intention to grant (signatures)
Search/Exam
Jun 28, 2016
Text intended for grant (clean copy)
Search/Exam
Jun 28, 2016
Jun 1, 2016
Examination started
Search/Exam
Apr 13, 2016
Apr 1, 2016
Submission concerning representation
Search/Exam
Apr 29, 2014
Decision to allow further processing
Search/Exam
Apr 14, 2014
(Electronic) Receipt
Search/Exam
Apr 14, 2014
Apr 14, 2014
Amended claims with annotations
Search/Exam
Apr 14, 2014
Letter accompanying subsequently filed items
Search/Exam
Apr 14, 2014
Request for further processing
Search/Exam
Feb 5, 2014
Dec 17, 2013
(Electronic) Receipt
Search/Exam
Dec 17, 2013
Letter accompanying subsequently filed items
Search/Exam
Dec 17, 2013
Maintenance of the application
Search/Exam
Jun 7, 2013
May 21, 2013
May 21, 2013
European search opinion
Search/Exam
May 21, 2013
Supplementary European search report
Search/Exam
Sep 5, 2012
Jul 3, 2012
Jun 12, 2012
Jun 6, 2012
(Electronic) Receipt
Search/Exam
Jun 6, 2012
Request for entry into the European phase
Search/Exam
Apr 10, 2012
Information on entry into European phase
Search/Exam
Oct 6, 2011
Copy of the international search report
Search/Exam
Oct 6, 2011
Jun 21, 2011
Jun 21, 2011
Jun 3, 2011
Published international application - A2
Search/Exam