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The patent EP2648777 was granted to Fresenius Medical Care Deutschland on Mar 17, 2021. The application was filed on Dec 8, 2011 under application number EP11794056A. 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 |
|---|---|---|---|
| B BRAUN AVITUM | Nov 7, 2018 | WINTER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE2618415 |
| INTERNATIONAL-SEARCH-REPORT | EP0380140 |
| INTERNATIONAL-SEARCH-REPORT | EP0804049 |
| INTERNATIONAL-SEARCH-REPORT | US2009312694 |
| INTERNATIONAL-SEARCH-REPORT | US4923681 |
| INTERNATIONAL-SEARCH-REPORT | WO2009105413 |
| OPPOSITION | EP0442139 |
| OPPOSITION | EP1280379 |
| OPPOSITION | EP1894586 |
| OPPOSITION | US2009312694 |
| OPPOSITION | WO2009105413 |
| OPPOSITION | WO8706140 |
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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Feb 18, 2021
Feb 18, 2021
Feb 12, 2021
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Nov 16, 2020
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Refund of fees
Appeal
Nov 10, 2020
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Oct 30, 2020
Oct 29, 2020
(Electronic) Receipt
Appeal
Oct 29, 2020
Oct 29, 2020
Oct 29, 2020
Withdrawal of an appeal
Appeal
Oct 12, 2020
Oct 12, 2020
Oct 6, 2020
(Electronic) Receipt
Appeal
Oct 6, 2020
Oct 6, 2020
Notice of appeal
Appeal
Aug 11, 2020
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OPPO
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Description
OPPO
Mar 13, 2020
Description
OPPO
Mar 13, 2020
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Claims
OPPO
Mar 20, 2019
Claims
OPPO
Mar 20, 2019
Claims
OPPO
Mar 20, 2019
Claims
OPPO
Mar 20, 2019
Claims
OPPO
Mar 20, 2019
Claims
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Mar 20, 2019
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Feb 23, 2018
Jan 11, 2018
Decision to grant a European patent
Search/Exam
Nov 16, 2017
Nov 13, 2017
Nov 6, 2017
(Electronic) Receipt
Search/Exam
Nov 6, 2017
English translation of the claims
Search/Exam
Nov 6, 2017
French translation of claims
Search/Exam
Nov 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 12, 2017
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Intention to grant (signatures)
Search/Exam
Jul 12, 2017
Text intended for grant (clean copy)
Search/Exam
Jul 12, 2017
Aug 11, 2016
Amended claims with annotations
Search/Exam
Aug 11, 2016
Claims
Search/Exam
Aug 11, 2016
Apr 21, 2016
Annex to the communication
Search/Exam
Apr 21, 2016
Communication from the Examining Division
Search/Exam
Jan 26, 2016
Jan 15, 2016
Submission concerning representation
Search/Exam
Sep 16, 2015
Amended claims with annotations
Search/Exam
Sep 16, 2015
Claims
Search/Exam
Sep 16, 2015
Aug 19, 2015
Annex to the communication
Search/Exam
Aug 19, 2015
Communication from the Examining Division
Search/Exam
Aug 13, 2015
Examination started
Search/Exam
Apr 15, 2014
Apr 15, 2014
Amended claims with annotations
Search/Exam
Apr 15, 2014
Apr 15, 2014
Amended description with annotations
Search/Exam
Apr 15, 2014
Amendments received before examination
Search/Exam
Apr 2, 2014
Priority search results
Search/Exam
Apr 2, 2014
Mar 4, 2014
Jan 10, 2014
Jan 10, 2014
Amended claims with annotations
Search/Exam
Jan 10, 2014
Jan 10, 2014
Amended description with annotations
Search/Exam
Jan 10, 2014
Amendments received before examination
Search/Exam
Sep 18, 2013
Jul 29, 2013
Letter which had not been notified
Search/Exam
Jul 16, 2013
Jul 12, 2013
Communication to designated inventor
Search/Exam
Jul 12, 2013
Communication to designated inventor
Search/Exam
Jul 12, 2013
Communication to designated inventor
Search/Exam
Jun 27, 2013
Payment of fees and costs
Search/Exam
Jun 27, 2013
Request for entry into the European phase
Search/Exam
Jun 26, 2013
Apr 19, 2013
Information on entry into European phase
Search/Exam
Jul 3, 2012
Jul 3, 2012
Jun 14, 2012
Copy of the international search report
Search/Exam
Jun 14, 2012
Published international application - A1
Search/Exam
Apr 19, 2012
Feb 29, 2012
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Feb 29, 2012
Dec 8, 2011
Abstract
PCTRO
Dec 8, 2011
Claims
PCTRO
Dec 8, 2011
Description
PCTRO
Dec 8, 2011
Drawings
PCTRO