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The patent EP2850549 was granted to Baxter on Jan 8, 2020. The application was filed on May 14, 2013 under application number EP13727442A. 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 |
|---|---|---|---|
| FRESENIUS MEDICAL CARE | Oct 8, 2020 | NORDMEYER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2009101549 |
| DESCRIPTION | US2009114582 |
| DESCRIPTION | US2011197971 |
| EXAMINATION | US2004015132 |
| EXAMINATION | US2008215627 |
| EXAMINATION | US2011066693 |
| EXAMINATION | US7890341 |
| EXAMINATION | WO02078783 |
| EXAMINATION | WO2012097356 |
| OPPOSITION | US2011066693 |
| OPPOSITION | US7044927 |
| OPPOSITION | US7890341 |
| OPPOSITION | WO9301845 |
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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Apr 18, 2024
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Apr 15, 2024
Apr 15, 2024
Apr 12, 2024
(Electronic) Receipt
Appeal
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 11, 2024
(Electronic) Receipt
Appeal
Apr 11, 2024
Apr 11, 2024
Apr 8, 2024
Mar 22, 2024
Mar 22, 2024
Mar 21, 2024
Mar 15, 2024
(Electronic) Receipt
Appeal
Mar 15, 2024
Mar 15, 2024
Mar 14, 2024
Mar 13, 2024
Mar 13, 2024
Mar 11, 2024
(Electronic) Receipt
Appeal
Mar 11, 2024
Mar 11, 2024
Mar 4, 2024
(Electronic) Receipt
Appeal
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Feb 13, 2024
Feb 8, 2024
(Electronic) Receipt
Appeal
Feb 8, 2024
Feb 8, 2024
Feb 6, 2024
Feb 6, 2024
Dec 12, 2023
Dec 12, 2023
Dec 7, 2023
Dec 20, 2022
Dec 14, 2022
(Electronic) Receipt
Appeal
Dec 14, 2022
Dec 14, 2022
Reply to appeal
Appeal
Aug 4, 2022
Jul 29, 2022
(Electronic) Receipt
Appeal
Jul 29, 2022
Jul 29, 2022
Jun 3, 2022
Jun 3, 2022
May 27, 2022
(Electronic) Receipt
Appeal
May 27, 2022
May 27, 2022
Notice of appeal
Appeal
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Means of redress
OPPO
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
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Jul 9, 2021
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Feb 24, 2021
Feb 19, 2021
Feb 19, 2021
Feb 19, 2021
Nov 24, 2020
Nov 24, 2020
Nov 18, 2020
Nov 18, 2020
Authorisation
OPPO
Nov 18, 2020
Authorisation
OPPO
Nov 18, 2020
Nov 18, 2020
Oct 22, 2020
Oct 22, 2020
Oct 20, 2020
Oct 14, 2020
Oct 8, 2020
Oct 8, 2020
Oct 8, 2020
Oct 8, 2020
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Oct 8, 2020
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Oct 8, 2020
Oct 8, 2020
Oct 8, 2020
Oct 8, 2020
Jan 20, 2020
Dec 12, 2019
Decision to grant a European patent
Search/Exam
Nov 25, 2019
Nov 25, 2019
Nov 25, 2019
Intention to grant (signatures)
Search/Exam
Nov 25, 2019
Text intended for grant (clean copy)
Search/Exam
Nov 25, 2019
Nov 6, 2019
(Electronic) Receipt
Search/Exam
Nov 6, 2019
Amended description with annotations
Search/Exam
Nov 6, 2019
Description
Search/Exam
Nov 6, 2019
French translation of claims
Search/Exam
Nov 6, 2019
German translation of the claims
Search/Exam
Nov 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Intention to grant (signatures)
Search/Exam
Jun 26, 2019
Text intended for grant (clean copy)
Search/Exam
Jun 26, 2019
Dec 14, 2018
Submission concerning representation
Search/Exam
Oct 29, 2018
(Electronic) Receipt
Search/Exam
Oct 29, 2018
Amended claims with annotations
Search/Exam
Oct 29, 2018
Amended description with annotations
Search/Exam
Oct 29, 2018
Claims
Search/Exam
Oct 29, 2018
Description
Search/Exam
Oct 29, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 29, 2018
Jun 21, 2018
Annex to the communication
Search/Exam
Jun 21, 2018
Communication from the Examining Division
Search/Exam
Jun 13, 2018
Examination started
Search/Exam
Jul 27, 2015
(Electronic) Receipt
Search/Exam
Jul 27, 2015
Jul 27, 2015
Amendments received before examination
Search/Exam
Jul 27, 2015
Letter accompanying subsequently filed items
Search/Exam
Apr 20, 2015
Communication to designated inventor
Search/Exam
Apr 13, 2015
(Electronic) Receipt
Search/Exam
Apr 13, 2015
Letter accompanying subsequently filed items
Search/Exam
Apr 13, 2015
Letter concerning the inventor
Search/Exam
Apr 8, 2015
Mar 30, 2015
Letter which had not been notified
Search/Exam
Mar 13, 2015
Communication to designated inventor
Search/Exam
Mar 6, 2015
(Electronic) Receipt
Search/Exam
Mar 6, 2015
Letter accompanying subsequently filed items
Search/Exam
Mar 6, 2015
Letter concerning the inventor
Search/Exam
Feb 26, 2015
Feb 25, 2015
Feb 12, 2015
Letter which had not been notified
Search/Exam
Jan 30, 2015
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Jan 28, 2015
Communication to designated inventor
Search/Exam
Dec 11, 2014
(Electronic) Receipt
Search/Exam
Dec 11, 2014
Matter concerning the application
Search/Exam
Dec 11, 2014
Request for entry into the European phase
Search/Exam
Dec 2, 2014
Comments on Written Opinion of ISA
Search/Exam
Dec 2, 2014
Sep 26, 2014
Information on entry into European phase
Search/Exam
Dec 13, 2013
Dec 13, 2013
Nov 21, 2013
Copy of the international search report
Search/Exam
Nov 21, 2013
Published international application - A2
Search/Exam
Oct 4, 2013
Oct 4, 2013
Oct 4, 2013
Jul 1, 2013
Jun 7, 2013
Abstract
PCTISA
Jun 7, 2013
Claims
PCTISA
Jun 7, 2013
Description
PCTISA
Jun 7, 2013
Drawings
PCTISA