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The patent EP2331165 was granted to Baxter on Nov 22, 2017. The application was filed on Jul 9, 2009 under application number EP09790213A. 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 |
|---|---|---|---|
| FRESENIUS MEDICAL CARE DEUTSCHLAND | Aug 20, 2018 | HERRMANN | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US20070773822 |
| DESCRIPTION | US20080128385 |
| DESCRIPTION | US5350357 |
| DESCRIPTION | US6814547 |
| INTERNATIONAL-SEARCH-REPORT | US2002082728 |
| INTERNATIONAL-SEARCH-REPORT | US2002103453 |
| INTERNATIONAL-SEARCH-REPORT | US2008125693 |
| INTERNATIONAL-SEARCH-REPORT | WO2008008281 |
| OPPOSITION | DE202005016276U |
| OPPOSITION | EP0947206 |
| OPPOSITION | EP1277485 |
| OPPOSITION | EP1449548 |
| OPPOSITION | US2004121767 |
| OPPOSITION | US2004158507 |
| OPPOSITION | US2004249729 |
| OPPOSITION | US2006190130 |
| OPPOSITION | WO0060195 |
| OPPOSITION | WO0141831 |
| OPPOSITION | WO02080085 |
| OPPOSITION | WO03086509 |
| OPPOSITION | WO2004053768 |
| OPPOSITION | WO2005043440 |
| OPPOSITION | WO2008006203 |
| OPPOSITION | WO2008008281 |
| OPPOSITION | WO9420518 |
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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Means of redress
OPPO
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Authorisation
OPPO
Jan 18, 2019
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Nov 13, 2018
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Dec 1, 2017
Oct 26, 2017
Decision to grant a European patent
Search/Exam
Oct 12, 2017
(Electronic) Receipt
Search/Exam
Oct 12, 2017
Filing of the translations of the claims
Search/Exam
Oct 12, 2017
French translation of claims
Search/Exam
Oct 12, 2017
German translation of the claims
Search/Exam
Oct 12, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 13, 2017
Jun 13, 2017
Jun 13, 2017
Intention to grant (signatures)
Search/Exam
Jun 13, 2017
Text intended for grant (clean copy)
Search/Exam
Jun 13, 2017
Dec 2, 2014
Claims
Search/Exam
Dec 2, 2014
Nov 28, 2014
Claims
Search/Exam
Nov 28, 2014
Claims
Search/Exam
Nov 28, 2014
Nov 28, 2014
Jul 29, 2014
Annex to the communication
Search/Exam
Jul 29, 2014
Communication from the Examining Division
Search/Exam
Jul 22, 2014
Examination started
Search/Exam
Aug 8, 2013
Aug 2, 2013
Jul 31, 2013
Feb 21, 2013
Feb 21, 2013
Amendments received before examination
Search/Exam
Feb 19, 2013
Feb 19, 2013
Amendments received before examination
Search/Exam
Feb 19, 2013
Cover sheet for fax transmission
Search/Exam
Sep 28, 2012
Submission concerning representation
Search/Exam
May 18, 2011
Apr 20, 2011
Apr 20, 2011
Apr 20, 2011
Amendments received before examination
Search/Exam
Apr 20, 2011
Apr 19, 2011
Apr 19, 2011
Amendments received before examination
Search/Exam
Apr 19, 2011
Annex
Search/Exam
Apr 19, 2011
Cover sheet for fax transmission
Search/Exam
Apr 19, 2011
Apr 5, 2011
Mar 29, 2011
General enquiry
Search/Exam
Mar 28, 2011
General enquiry
Search/Exam
Feb 1, 2011
Annex
Search/Exam
Feb 1, 2011
Letter concerning fees and payments
Search/Exam
Feb 1, 2011
Request for entry into the European phase
Search/Exam
Jan 19, 2011
Jan 19, 2011
Nov 19, 2010
Information on entry into European phase
Search/Exam
Oct 12, 2010
Oct 12, 2010
Oct 12, 2010
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Oct 12, 2010
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Aug 26, 2010
Published international application - A4
Search/Exam
Jul 27, 2010
Notification of election of EPO
Search/Exam
Jul 8, 2010
Jul 8, 2010
Jun 30, 2010
Jun 30, 2010
PCT demand form
PCT2
Jun 30, 2010
Jun 30, 2010
Jun 17, 2010
Copy of the international search report
Search/Exam
Jun 17, 2010
Apr 29, 2010
Apr 29, 2010
Apr 29, 2010
Apr 21, 2010
Apr 21, 2010
Notification of the recording of a change
Search/Exam
Feb 3, 2010
Jan 14, 2010
Published international application - A2
Search/Exam
Jul 20, 2009
Abstract
PCTISA
Jul 20, 2009
Claims
PCTISA
Jul 20, 2009
Description
PCTISA
Jul 20, 2009
Drawings
PCTISA