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The patent EP2311509 was granted to Smith & Nephew on Aug 24, 2022. The application was filed on Oct 28, 2004 under application number EP10010688A. 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 |
|---|---|---|---|
| KCI MANUFACTURING UNLIMITED | Mar 6, 2020 | SIMMONS & SIMMONS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | US2002183702 |
| SEARCH | DE19844355 |
| SEARCH | FR1163907 |
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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Jul 28, 2022
Jul 28, 2022
Jul 22, 2022
Jul 5, 2022
Jul 5, 2022
Authorisation
OPPO
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
May 27, 2022
May 27, 2022
May 27, 2022
May 23, 2022
Refund of fees
Appeal
May 19, 2022
May 17, 2022
May 17, 2022
May 11, 2022
Apr 14, 2022
Apr 7, 2022
(Electronic) Receipt
Appeal
Apr 7, 2022
Apr 7, 2022
Withdrawal of an appeal
Appeal
Feb 18, 2022
Feb 18, 2022
Feb 11, 2022
(Electronic) Receipt
Appeal
Feb 11, 2022
Feb 11, 2022
Notice of appeal
Appeal
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Means of redress
OPPO
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Nov 10, 2021
Nov 10, 2021
Sep 8, 2021
Sep 8, 2021
Aug 30, 2021
Aug 26, 2021
Aug 23, 2021
Aug 23, 2021
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Aug 16, 2021
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Aug 16, 2021
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Aug 4, 2021
Aug 4, 2021
Aug 4, 2021
Jun 30, 2021
Jun 25, 2021
Jun 25, 2021
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Jun 25, 2021
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Jun 25, 2021
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Jun 25, 2021
Jun 25, 2021
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Jun 22, 2021
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Mar 18, 2021
Mar 17, 2021
Mar 17, 2021
Oct 30, 2020
Oct 30, 2020
Oct 27, 2020
Oct 27, 2020
Oct 21, 2020
Oct 21, 2020
Oct 21, 2020
Oct 21, 2020
Oct 21, 2020
Aug 12, 2020
Aug 12, 2020
Aug 12, 2020
Aug 4, 2020
Aug 4, 2020
Authorisation
OPPO
Aug 4, 2020
Aug 4, 2020
Aug 4, 2020
Mar 26, 2020
Mar 26, 2020
Mar 13, 2020
Mar 10, 2020
Mar 6, 2020
Mar 6, 2020
Mar 6, 2020
Mar 6, 2020
Jul 1, 2019
Jun 27, 2019
Jun 25, 2019
Jun 24, 2019
May 16, 2019
May 16, 2019
Decision to grant a European patent
Search/Exam
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Intention to grant (signatures)
Search/Exam
Apr 30, 2019
Text intended for grant (clean copy)
Search/Exam
Apr 30, 2019
Apr 5, 2019
(Electronic) Receipt
Search/Exam
Apr 5, 2019
Amended claims with annotations
Search/Exam
Apr 5, 2019
Authorisation
Search/Exam
Apr 5, 2019
Claims
Search/Exam
Apr 5, 2019
French translation of claims
Search/Exam
Apr 5, 2019
German translation of the claims
Search/Exam
Apr 5, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 5, 2019
Nov 26, 2018
Nov 26, 2018
Nov 26, 2018
Intention to grant (signatures)
Search/Exam
Nov 26, 2018
Text intended for grant (clean copy)
Search/Exam
Nov 26, 2018
Jun 6, 2017
May 11, 2017
Submission concerning representation
Search/Exam
Sep 12, 2016
(Electronic) Receipt
Search/Exam
Sep 12, 2016
Amended claims with annotations
Search/Exam
Sep 12, 2016
Claims
Search/Exam
Sep 12, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 12, 2016
May 23, 2016
Annex to the communication
Search/Exam
May 23, 2016
Communication from the Examining Division
Search/Exam
Apr 1, 2016
CDS Clean up - amended applicant details
Search/Exam
Mar 31, 2016
Sep 23, 2014
Nov 1, 2013
Letter accompanying subsequently filed items
Search/Exam
Nov 1, 2013
Sep 18, 2013
Annex to the communication
Search/Exam
Sep 18, 2013
Communication from the Examining Division
Search/Exam
Sep 11, 2013
Examination started
Search/Exam
Oct 25, 2011
Oct 25, 2011
Oct 24, 2011
Oct 24, 2011
Amendments received before examination
Search/Exam
Oct 19, 2011
Oct 19, 2011
Amendments received before examination
Search/Exam
Oct 19, 2011
Letter accompanying subsequently filed items
Search/Exam
Sep 15, 2011
(Electronic) Receipt
Search/Exam
Sep 15, 2011
Letter accompanying subsequently filed items
Search/Exam
Sep 15, 2011
Submission concerning representation
Search/Exam
May 23, 2011
May 17, 2011
Apr 27, 2011
Mar 24, 2011
Mar 23, 2011
Notification of forthcoming publication
Search/Exam
Mar 17, 2011
Mar 17, 2011
European search opinion
Search/Exam
Mar 17, 2011
European search report
Search/Exam
Jan 25, 2011
Jan 25, 2011
Jan 25, 2011
Notice on debiting of fees
Search/Exam
Dec 20, 2010
(Electronic) Receipt
Search/Exam
Dec 20, 2010
Claims
Search/Exam
Dec 20, 2010
Letter accompanying subsequently filed items
Search/Exam
Dec 20, 2010
Matter concerning the application
Search/Exam
Oct 20, 2010
Refund of fees
Search/Exam
Oct 13, 2010
Notice on debiting of fees
Search/Exam
Sep 27, 2010
Abstract
Search/Exam
Sep 27, 2010
Description
Search/Exam
Sep 27, 2010
Designation of inventor
Search/Exam
Sep 27, 2010
Drawings
Search/Exam
Sep 27, 2010
General authorisation
Search/Exam
Sep 27, 2010
Letter concerning search matters
Search/Exam
Sep 27, 2010
Matter concerning the application
Search/Exam
Sep 27, 2010
Jun 27, 2005