Blood Purification Device

Patent No. EP2514447 (titled "Blood Purification Device") was filed by Nikkiso on Dec 14, 2010. The application was issued on Aug 27, 2025.

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
B BRAUN AVITUM	May 4, 2021	WINTER

Dossier Documents

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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Jul 31, 2025
Decision to maintain the European patent in amended form
Jul 31, 2025
Decision to maintain the European patent in amended form
Jul 22, 2025
(Electronic) Receipt
Jul 22, 2025
Filing of the translation of the amended claims
Jul 22, 2025
French translation of claims
Jul 22, 2025
German translation of the claims
Jul 22, 2025
Letter accompanying subsequently filed items
May 19, 2025
Communication to opponent concerning maintenance
May 19, 2025
Communication with request to file translations
May 19, 2025
Druckexemplar in opposition procedure
May 13, 2025
Maintenance of the patent with the documents specified in the final decision
May 12, 2025
Maintenance of the patent with the documents specified in the final decision
May 9, 2025
Decision of the Board of Appeal
May 9, 2025
F3032 Notification(s) of the decision
May 9, 2025
F3032 Notification(s) of the decision
Feb 11, 2025
F3013 Oral Proceedings: Forwarding minutes
Feb 11, 2025
F3013 Oral Proceedings: Forwarding minutes
Feb 11, 2025
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Jan 13, 2025
F3345 Forwarding of submissions to parties
Jan 8, 2025
(Electronic) Receipt
Jan 8, 2025
Letter accompanying subsequently filed items
Jan 8, 2025
Letter dealing with oral proceedings during the appeal procedure
Jan 8, 2025
Request for interpreters during oral proceedings
Dec 23, 2024
Oral proceedings: change of venue
Dec 23, 2024
Oral proceedings: change of venue
Dec 20, 2024
F3345 Forwarding of submissions to parties
Dec 17, 2024
(Electronic) Receipt
Dec 17, 2024
Letter accompanying subsequently filed items
Dec 17, 2024
Request for interpreters during oral proceedings
Dec 2, 2024
F3345 Forwarding of submissions to parties
Nov 27, 2024
(Electronic) Receipt
Nov 27, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 27, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 27, 2024
General enquiry
Nov 27, 2024
Letter accompanying subsequently filed items
Nov 13, 2024
F3011.2 Oral Proceedings: Summons VICO
Nov 13, 2024
F3011.2 Oral Proceedings: Summons VICO
Nov 8, 2024
Composition of the board (T)
Nov 8, 2024
F3010 Oral proceedings: order for summons
Oct 5, 2023
F3345 Forwarding of submissions to parties
Sep 29, 2023
(Electronic) Receipt
Sep 29, 2023
Letter accompanying subsequently filed items
Sep 29, 2023
Reply to appeal
Sep 20, 2023
F3345 Forwarding of submissions to parties
Sep 15, 2023
(Electronic) Receipt
Sep 15, 2023
Letter accompanying subsequently filed items
Sep 15, 2023
Reply to appeal
May 19, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 19, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 15, 2023
(Electronic) Receipt
May 15, 2023
Letter accompanying subsequently filed items
May 15, 2023
Non-Patent Literature cited during the appeal procedure
May 15, 2023
Non-Patent Literature cited during the appeal procedure
May 15, 2023
Non-Patent Literature cited during the appeal procedure
May 15, 2023
Patent Document cited during the appeal procedure
May 15, 2023
Patent Document cited during the appeal procedure
May 15, 2023
Patent Document cited during the appeal procedure
May 15, 2023
Patent Document cited during the appeal procedure
May 15, 2023
Patent Document cited during the appeal procedure
May 15, 2023
Patent Document cited during the appeal procedure
May 15, 2023
Patent Document cited during the appeal procedure
May 15, 2023
Patent Document cited during the appeal procedure
May 15, 2023
Patent Document cited during the appeal procedure
May 15, 2023
Patent Document cited during the appeal procedure
May 15, 2023
Patent Document cited during the appeal procedure
May 15, 2023
Statement of grounds of appeal
May 11, 2023
(Electronic) Receipt
May 11, 2023
Letter accompanying subsequently filed items
May 11, 2023
Statement of grounds of appeal
Mar 29, 2023
F3204 Communication of the file number to the parties
Mar 29, 2023
F3204 Communication of the file number to the parties
Mar 29, 2023
F3204 Communication of the file number to the parties
Mar 29, 2023
F3204 Communication of the file number to the parties
Mar 23, 2023
(Electronic) Receipt
Mar 23, 2023
(Electronic) Receipt
Mar 23, 2023
Letter accompanying subsequently filed items
Mar 23, 2023
Letter accompanying subsequently filed items
Mar 23, 2023
Notice of appeal
Mar 23, 2023
Notice of appeal
Jan 18, 2023
Advice of delivery
Jan 13, 2023
Advice of delivery
Jan 13, 2023
Annex to the communication - opposition
Jan 13, 2023
Decision of the Opposition Division and instruction
Jan 13, 2023
Druckexemplar in opposition procedure
Jan 13, 2023
Grounds for the decision (Annex) - opposition
Jan 13, 2023
Interlocutory decision in opposition proceedings
Jan 13, 2023
Interlocutory decision in opposition proceedings
Jan 13, 2023
Means of redress
Jan 13, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 13, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 13, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 13, 2023
Provision of a copy of the minutes - opposition procedure
Jan 13, 2023
Provision of a copy of the minutes - opposition procedure
Jan 13, 2023
Scanned annex to a communication - opposition procedure
Jan 13, 2023
Scanned annex to a communication - opposition procedure
Jan 13, 2023
Transmittal of decision / summons - opposition
Jan 13, 2023
Transmittal of decision / summons - opposition
Oct 7, 2022
Information about the result of oral proceedings
Aug 23, 2022
Brief communication - Opposition proceedings
Aug 23, 2022
Brief communication - Opposition proceedings
Aug 16, 2022
Brief communication - Opposition proceedings
Aug 16, 2022
Brief communication - Opposition proceedings
Aug 10, 2022
(Electronic) Receipt
Aug 10, 2022
Letter accompanying subsequently filed items
Aug 10, 2022
Written submission in preparation to/during oral proceedings
Aug 1, 2022
Request for interpreters during oral proceedings
Jul 22, 2022
Brief communication - Opposition proceedings
Jul 13, 2022
(Electronic) Receipt
Jul 13, 2022
Citation in opposition procedure - 006
Jul 13, 2022
Consolidated list of cited opposition documents
Jul 13, 2022
Letter accompanying subsequently filed items
Jul 13, 2022
Written submission in preparation to/during oral proceedings
Jul 12, 2022
(Electronic) Receipt
Jul 12, 2022
Auxiliary request during Opposition procedure
Jul 12, 2022
Auxiliary request during Opposition procedure
Jul 12, 2022
Auxiliary request during Opposition procedure - 03
Jul 12, 2022
Auxiliary request during Opposition procedure - 04
Jul 12, 2022
Letter accompanying subsequently filed items
Jul 12, 2022
Translation of the evidence during Opposition procedure
Jul 12, 2022
Written submission in preparation to/during oral proceedings
Jun 1, 2022
(Electronic) Receipt
Jun 1, 2022
Letter accompanying subsequently filed items
May 24, 2022
Notification concerning the date of oral proceedings
May 24, 2022
Notification concerning the date of oral proceedings
Apr 29, 2022
Brief communication - Opposition proceedings
Apr 25, 2022
(Electronic) Receipt
Apr 25, 2022
Request for interpreters during oral proceedings
Apr 25, 2022
Written submission in preparation to/during oral proceedings
Jan 27, 2022
Advice of delivery
Jan 27, 2022
Advice of delivery
Jan 25, 2022
Advice of delivery
Jan 24, 2022
Annex to the communication - opposition
Nov 25, 2021
Brief communication - Opposition proceedings
Nov 22, 2021
(Electronic) Receipt
Nov 22, 2021
Letter accompanying subsequently filed items
Nov 22, 2021
Letter regarding the opposition procedure (no time limit)
Oct 7, 2021
Brief communication - Opposition proceedings
Sep 29, 2021
Auxiliary request during Opposition procedure
Sep 29, 2021
Auxiliary request during Opposition procedure
Sep 29, 2021
Auxiliary request during Opposition procedure - 01
Sep 29, 2021
Auxiliary request during Opposition procedure - 02
Sep 29, 2021
Reply of the patent proprietor to the notice(s) of opposition
May 19, 2021
Communication of a notice of opposition and request to file observations
May 19, 2021
Notice of further oppositions to opponent(s)
May 10, 2021
Communication of a notice of opposition - first information to patent proprietor
May 4, 2021
(Electronic) Receipt
May 4, 2021
Citation in opposition procedure - 001
May 4, 2021
Citation in opposition procedure - 002
May 4, 2021
Citation in opposition procedure - 003
May 4, 2021
Citation in opposition procedure - 004
May 4, 2021
Citation in opposition procedure - 005
May 4, 2021
Citation in opposition procedure - 006
May 4, 2021
Citation in opposition procedure - 006
May 4, 2021
Citation in opposition procedure - 007
May 4, 2021
Citation in opposition procedure - 008
May 4, 2021
Citation in opposition procedure - 009
May 4, 2021
Citation in opposition procedure - 010
May 4, 2021
Citation in opposition procedure - 010
May 4, 2021
Citation in opposition procedure - 011
May 4, 2021
Citation in opposition procedure - 011
May 4, 2021
Notice of opposition
May 4, 2021
Notice of opposition
Aug 17, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 9, 2020
Decision to grant a European patent
Jun 25, 2020
(Electronic) Receipt
Jun 25, 2020
Filing of the translations of the claims
Jun 25, 2020
French translation of claims
Jun 25, 2020
German translation of the claims
Jun 25, 2020
Letter accompanying subsequently filed items
Apr 23, 2020
Bibliographic data of the European patent application
Apr 23, 2020
Communication about intention to grant a European patent
Apr 23, 2020
Intention to grant (signatures)
Apr 23, 2020
Text intended for grant (clean copy)
Apr 23, 2020
Text intended for grant (version for approval)
Mar 12, 2020
Amended claims with annotations
Mar 12, 2020
Claims
Mar 12, 2020
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Nov 14, 2019
Bibliographic data of the European patent application
Nov 14, 2019
Communication about intention to grant a European patent
Nov 14, 2019
Intention to grant (signatures)
Nov 14, 2019
Text intended for grant (clean copy)
Nov 14, 2019
Text intended for grant (version for approval)
Feb 21, 2019
Response to enquiry for communication from the Examining Division
Feb 7, 2019
(Electronic) Receipt
Feb 7, 2019
Enquiry as to the processing of the file
Feb 7, 2019
Letter accompanying subsequently filed items
Mar 23, 2017
Reply to communication from the Examining Division
Dec 20, 2016
Payment of fees and costs
Nov 30, 2016
Annex to the communication
Nov 30, 2016
Communication from the Examining Division
Apr 11, 2016
Response to enquiry for communication from the Examining Division
Apr 4, 2016
Enquiry as to when a communication from the Examining Division can be expected
Dec 23, 2015
Letter concerning fees and payments
Dec 23, 2015
Payment of fees and costs
Jun 2, 2015
Amended claims filed after receipt of (European) search report
Jun 2, 2015
Amended claims with annotations
Jun 2, 2015
Amendments received before examination
Dec 31, 2014
Payment of fees and costs
Dec 19, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Dec 3, 2014
Communication regarding the transmission of the European search report
Dec 3, 2014
European search opinion
Dec 3, 2014
Supplementary European search report
Nov 24, 2014
Search started
Sep 23, 2014
Communication of expected date of establishment of search report
Sep 16, 2014
General enquiry
Dec 23, 2013
Letter concerning fees and payments
Dec 23, 2013
Payment of fees and costs
Sep 26, 2012
Notification of forthcoming publication
Jul 26, 2012
Communication regarding possible amendment of the application/payment of claims fee
Jul 25, 2012
Translation of the international preliminary report on patentability
Jul 12, 2012
(Electronic) Receipt
Jul 12, 2012
Abstract
Jul 12, 2012
Claims
Jul 12, 2012
Description
Jul 12, 2012
Drawings
Jul 12, 2012
Request for entry into the European phase
Jul 3, 2012
Copy of the international preliminary report on patentability
Apr 27, 2012
Information on entry into European phase
Jul 11, 2011
Priority document (electronically transmitted)
Jun 23, 2011
Copy of the international search report
Jun 23, 2011
Copy of the translated international search report
Jun 23, 2011
International publication pamphlet

EP2514447

NIKKISO

Application Number: EP10837602A
Filing Date: Dec 14, 2010
Status: Patent Maintained As Amended; Jul 25, 2025
Publication Date: Aug 27, 2025
External Links: Slate, Register , Google Patents

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Blood Purification Device

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Dossier Documents

EP2514447