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The patent EP2252247 was granted to Covidien LP on Sep 7, 2022. The application was filed on Mar 13, 2009 under application number EP09719097A. 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 | Jul 16, 2020 | SIMMONS & SIMMONS | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2004243073 |
| INTERNATIONAL-SEARCH-REPORT | US2007264520 |
| INTERNATIONAL-SEARCH-REPORT | US2007270737 |
| INTERNATIONAL-SEARCH-REPORT | US2007293830 |
| INTERNATIONAL-SEARCH-REPORT | US6168800 |
| OPPOSITION | US2001029956 |
| OPPOSITION | US2006211972 |
| OPPOSITION | US2007185463 |
| OPPOSITION | US5340363 |
| OPPOSITION | WO02102425 |
| SEARCH | DE4012232 |
| SEARCH | US2001043943 |
| SEARCH | US2004073151 |
| SEARCH | US2004243073 |
| SEARCH | US2005101940 |
| SEARCH | US2007293830 |
| SEARCH | US5636643 |
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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Aug 11, 2022
Aug 11, 2022
Aug 8, 2022
Aug 2, 2022
Aug 2, 2022
Authorisation
OPPO
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 8, 2022
Jun 8, 2022
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Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Means of redress
OPPO
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Jan 25, 2022
Dec 2, 2021
Nov 25, 2021
Nov 25, 2021
Nov 25, 2021
Nov 25, 2021
Nov 19, 2021
Nov 19, 2021
Nov 19, 2021
Nov 19, 2021
Description
OPPO
Nov 19, 2021
Nov 19, 2021
Nov 19, 2021
Nov 10, 2021
Document concerning representation
Search/Exam
Nov 10, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 22, 2021
Jul 22, 2021
Jul 21, 2021
Jul 19, 2021
Jul 19, 2021
Jul 19, 2021
Jul 19, 2021
Jul 19, 2021
Jul 19, 2021
Dec 21, 2020
Dec 21, 2020
Dec 15, 2020
Dec 9, 2020
Dec 9, 2020
Authorisation
OPPO
Dec 9, 2020
Dec 9, 2020
Dec 9, 2020
Dec 9, 2020
Dec 9, 2020
Jul 30, 2020
Jul 30, 2020
Jul 21, 2020
Jul 16, 2020
Jul 16, 2020
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Jul 16, 2020
Jul 16, 2020
Jul 16, 2020
Jul 16, 2020
Jul 16, 2020
Jul 16, 2020
Jul 16, 2020
Oct 28, 2019
Sep 19, 2019
Decision to grant a European patent
Search/Exam
Sep 12, 2019
Sep 6, 2019
(Electronic) Receipt
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Sep 6, 2019
Authorisation
Search/Exam
Sep 6, 2019
French translation of claims
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Sep 6, 2019
German translation of the claims
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Sep 6, 2019
May 10, 2019
May 10, 2019
May 10, 2019
May 10, 2019
Intention to grant (signatures)
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May 10, 2019
Text intended for grant (clean copy)
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May 10, 2019
Apr 17, 2019
Apr 11, 2019
Annex to the communication
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Apr 11, 2019
Consultation by telephone/in person
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Apr 11, 2019
Mar 8, 2019
(Electronic) Receipt
Search/Exam
Mar 8, 2019
Amended claims with annotations
Search/Exam
Mar 8, 2019
Amended claims with annotations
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Mar 8, 2019
Amended claims with annotations
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Mar 8, 2019
Amended claims with annotations
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Mar 8, 2019
Amended claims with annotations
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Mar 8, 2019
Amended claims with annotations
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Mar 8, 2019
Claims
Search/Exam
Mar 8, 2019
Claims
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Mar 8, 2019
Claims
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Mar 8, 2019
Claims
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Mar 8, 2019
Claims
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Mar 8, 2019
Claims
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Mar 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 8, 2019
Dec 14, 2018
Dec 14, 2018
Dec 5, 2018
Advice of delivery
Search/Exam
Nov 26, 2018
Acknowledgement of a document
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Nov 26, 2018
Annex to the communication
Search/Exam
Nov 26, 2018
Summons to attend oral proceedings
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Sep 10, 2018
(Electronic) Receipt
Search/Exam
Sep 10, 2018
Amended claims with annotations
Search/Exam
Sep 10, 2018
Claims
Search/Exam
Sep 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 10, 2018
Sep 7, 2018
(Electronic) Receipt
Search/Exam
Sep 7, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 7, 2018
Sep 6, 2018
Jul 19, 2018
Annex to the communication
Search/Exam
Jul 19, 2018
Jul 19, 2018
May 9, 2018
(Electronic) Receipt
Search/Exam
May 9, 2018
Amended claims with annotations
Search/Exam
May 9, 2018
Amended description with annotations
Search/Exam
May 9, 2018
Claims
Search/Exam
May 9, 2018
Description
Search/Exam
May 9, 2018
Letter accompanying subsequently filed items
Search/Exam
May 9, 2018
Mar 16, 2018
Mar 12, 2018
(Electronic) Receipt
Search/Exam
Mar 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 12, 2018
Jan 10, 2018
Annex to the communication
Search/Exam
Jan 10, 2018
Communication from the Examining Division
Search/Exam
Dec 22, 2017
Examination started
Search/Exam
Aug 24, 2017
Jun 23, 2015
Jun 18, 2015
(Electronic) Receipt
Search/Exam
Jun 18, 2015
Letter accompanying subsequently filed items
Search/Exam
Jun 18, 2015
Submission concerning representation
Search/Exam
Nov 4, 2013
(Electronic) Receipt
Search/Exam
Nov 4, 2013
Letter accompanying subsequently filed items
Search/Exam
Nov 4, 2013
Matter concerning the application
Search/Exam
Oct 31, 2013
(Electronic) Receipt
Search/Exam
Oct 31, 2013
Oct 31, 2013
Amended claims with annotations
Search/Exam
Oct 31, 2013
Oct 31, 2013
Amended description with annotations
Search/Exam
Oct 31, 2013
Amendments received before examination
Search/Exam
Oct 31, 2013
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2013
Aug 13, 2013
Letter accompanying subsequently filed items
Search/Exam
Aug 13, 2013
Apr 23, 2013
Apr 5, 2013
Apr 5, 2013
European search opinion
Search/Exam
Apr 5, 2013
Supplementary European search report
Search/Exam
Nov 13, 2012
Nov 7, 2012
Nov 6, 2012
Oct 19, 2012
(Electronic) Receipt
Search/Exam
Oct 19, 2012
General enquiry
Search/Exam
Oct 19, 2012
Letter accompanying subsequently filed items
Search/Exam
Sep 10, 2011
Submission concerning representation
Search/Exam
Oct 27, 2010
Oct 20, 2010
Sep 29, 2010
Sep 17, 2010
(Electronic) Receipt
Search/Exam
Sep 17, 2010
Annex
Search/Exam
Sep 17, 2010
Request for entry into the European phase
Search/Exam
Jul 21, 2010
Information on entry into European phase
Search/Exam
Mar 18, 2010
Copy of the international search report
Search/Exam
Mar 18, 2010
Oct 8, 2009
Sep 17, 2009
Published international application - A2
Search/Exam