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The patent EP2504045 was granted to Fresenius Medical Care Deutschland on Jun 24, 2020. The application was filed on Nov 23, 2010 under application number EP10784700A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| GAMBRO LUNDIA | Mar 22, 2021 | PONZELLINI | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE10011208 |
| EXAMINATION | JP2008043475 |
| EXAMINATION | JPH11226121 |
| EXAMINATION | US2005209546 |
| EXAMINATION | US2009076433 |
| INTERNATIONAL-SEARCH-REPORT | EP1736185 |
| INTERNATIONAL-SEARCH-REPORT | US2004088189 |
| INTERNATIONAL-SEARCH-REPORT | US2010192686 |
| INTERNATIONAL-SEARCH-REPORT | WO03002174 |
| OPPOSITION | US2002004530 |
| OPPOSITION | US2003100857 |
| OPPOSITION | US2007158247 |
| OPPOSITION | US2009114593 |
| OPPOSITION | US5776345 |
| OTHER | JP2008043475 |
| OTHER | JPH11226121 |
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.
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Description
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Reply to appeal
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(Electronic) Receipt
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Appeal
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Notice of appeal
Appeal
Oct 3, 2022
(Electronic) Receipt
Appeal
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Notice of appeal
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Decision to grant a European patent
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May 18, 2020
(Electronic) Receipt
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May 18, 2020
Filing of the translations of the claims
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May 18, 2020
Letter accompanying subsequently filed items
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Jan 22, 2020
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Intention to grant (signatures)
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Jan 22, 2020
Text intended for grant (clean copy)
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Jan 22, 2020
Dec 18, 2019
(Electronic) Receipt
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Dec 18, 2019
Amended description with annotations
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Dec 18, 2019
Description
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Dec 18, 2019
Letter accompanying subsequently filed items
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Dec 18, 2019
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Intention to grant (signatures)
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Aug 21, 2019
Text intended for grant (clean copy)
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Aug 21, 2019
Aug 6, 2019
Change to the inventor details
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Jul 25, 2019
(Electronic) Receipt
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Jul 25, 2019
Amended description with annotations
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Jul 25, 2019
Description
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Jul 25, 2019
English translation of the claims
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Jul 25, 2019
French translation of claims
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Jul 25, 2019
Letter accompanying subsequently filed items
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Jul 25, 2019
Mar 19, 2019
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Intention to grant (signatures)
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Mar 19, 2019
Text intended for grant (clean copy)
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Mar 19, 2019
Mar 7, 2018
(Electronic) Receipt
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Mar 7, 2018
Amended claims with annotations
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Mar 7, 2018
Amended description with annotations
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Mar 7, 2018
Claims
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Mar 7, 2018
Description
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Mar 7, 2018
Letter accompanying subsequently filed items
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Mar 7, 2018
Dec 22, 2017
Dec 19, 2017
Aug 31, 2017
Annex to the communication
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Aug 31, 2017
Communication from the Examining Division
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Jun 9, 2017
May 31, 2017
Patent document filed by a Third party
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May 26, 2017
Observations by third parties
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Feb 14, 2017
(Electronic) Receipt
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Feb 14, 2017
Claims
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Feb 14, 2017
Letter accompanying subsequently filed items
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Feb 14, 2017
Dec 21, 2016
Dec 15, 2016
Aug 5, 2016
Annex to the communication
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Aug 5, 2016
Communication from the Examining Division
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Jun 22, 2016
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Observations by third parties
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May 13, 2015
(Electronic) Receipt
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May 13, 2015
Amended claims with annotations
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May 13, 2015
Claims
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May 13, 2015
Letter accompanying subsequently filed items
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May 13, 2015
Jan 5, 2015
Annex to the communication
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Jan 5, 2015
Communication from the Examining Division
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Dec 16, 2014
Examination started
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Nov 11, 2014
Sep 18, 2014
Submission concerning representation
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Apr 23, 2013
Apr 18, 2013
Mar 28, 2013
Abstract
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Mar 28, 2013
Abstract
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Mar 28, 2013
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Amended claims with annotations
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Mar 28, 2013
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Mar 28, 2013
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Mar 25, 2013
Abstract
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Mar 25, 2013
Abstract
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Mar 25, 2013
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Amended claims with annotations
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Mar 25, 2013
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Amended description with annotations
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Mar 25, 2013
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Amendments received before examination
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Mar 25, 2013
Letter accompanying subsequently filed items
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Sep 25, 2012
Sep 5, 2012
Aug 21, 2012
Priority document
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Aug 21, 2012
Reply by International Bureau
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Aug 1, 2012
Enquiry with the International Bureau
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Jun 15, 2012
Priority search results
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Jun 15, 2012
Priority search results
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Jun 15, 2012
Request for entry into the European phase
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Jun 15, 2012
Request for entry into the European phase
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Jun 11, 2012
Apr 10, 2012
Information on entry into European phase
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Jun 21, 2011
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Jun 3, 2011
Copy of the international search report
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Jun 3, 2011
Published international application - A1
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Feb 16, 2011
Feb 16, 2011
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Nov 24, 2010
Abstract
PCTRO
Nov 24, 2010
Claims
PCTRO
Nov 24, 2010
Description
PCTRO
Nov 24, 2010
Drawings
PCTRO