Flexible Tube

Patent No. EP3458121 (titled "Flexible Tube") was filed by Fresenius Medical Care Deutschland on May 19, 2017. The application was issued on Dec 6, 2023.

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 MELSUNGEN	Apr 5, 2024	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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Dec 22, 2025
Annex to the communication - opposition
Dec 22, 2025
Brief communication - Opposition proceedings
Dec 22, 2025
Brief communication - Opposition proceedings
Dec 22, 2025
Decision of the Opposition Division and instruction
Dec 22, 2025
Decision rejecting the opposition
Dec 22, 2025
Decision rejecting the opposition
Dec 22, 2025
Grounds for the decision (Annex) - opposition
Dec 22, 2025
Means of redress
Dec 22, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 22, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 22, 2025
Provision of a copy of the minutes - opposition procedure
Dec 22, 2025
Provision of a copy of the minutes - opposition procedure
Dec 4, 2025
Information about the result of oral proceedings
Nov 12, 2025
Brief communication - Opposition proceedings
Nov 6, 2025
(Electronic) Receipt
Nov 6, 2025
Citation in opposition procedure - 017
Nov 6, 2025
Citation in opposition procedure - 018
Nov 6, 2025
Consolidated list of cited opposition documents
Nov 6, 2025
Letter accompanying subsequently filed items
Nov 6, 2025
Written submission in preparation to/during oral proceedings
Oct 8, 2025
Brief communication - Opposition proceedings
Oct 7, 2025
Brief communication - Opposition proceedings
Oct 2, 2025
(Electronic) Receipt
Oct 2, 2025
Auxiliary request during Opposition procedure
Oct 2, 2025
Auxiliary request during Opposition procedure
Oct 2, 2025
Auxiliary request during Opposition procedure - 01
Oct 2, 2025
Auxiliary request during Opposition procedure - 02
Oct 2, 2025
Letter accompanying subsequently filed items
Oct 2, 2025
Request for interpreters during oral proceedings
Oct 2, 2025
Written submission in preparation to/during oral proceedings
Oct 1, 2025
(Electronic) Receipt
Oct 1, 2025
Letter accompanying subsequently filed items
Oct 1, 2025
Request for interpreters during oral proceedings
Apr 22, 2025
Annex to the communication - opposition
Apr 22, 2025
Information concerning oral proceedings
Apr 22, 2025
Scanned annex to a communication - opposition procedure
Apr 22, 2025
Summons to attend oral proceedings
Apr 22, 2025
Summons to attend oral proceedings
Feb 28, 2025
Miscellaneous requests concerning client data
Feb 27, 2025
Brief communication - Opposition proceedings
Feb 21, 2025
(Electronic) Receipt
Feb 21, 2025
Citation in opposition procedure - 008
Feb 21, 2025
Citation in opposition procedure - 009
Feb 21, 2025
Citation in opposition procedure - 010
Feb 21, 2025
Citation in opposition procedure - 011
Feb 21, 2025
Citation in opposition procedure - 012
Feb 21, 2025
Citation in opposition procedure - 013
Feb 21, 2025
Citation in opposition procedure - 014
Feb 21, 2025
Citation in opposition procedure - 015
Feb 21, 2025
Letter accompanying subsequently filed items
Feb 21, 2025
Reply from the opponent to submission of proprietor
Jan 23, 2025
Brief communication - Opposition proceedings
Jan 20, 2025
(Electronic) Receipt
Jan 20, 2025
Letter accompanying subsequently filed items
Jan 20, 2025
Reply of the patent proprietor to the notice(s) of opposition
Sep 18, 2024
Communication of a notice of opposition and request to file observations
Sep 18, 2024
Notice of further oppositions to opponent(s)
Apr 10, 2024
Communication of a notice of opposition - first information to patent proprietor
Apr 5, 2024
(Electronic) Receipt
Apr 5, 2024
Citation in opposition procedure - 001
Apr 5, 2024
Citation in opposition procedure - 002
Apr 5, 2024
Citation in opposition procedure - 003
Apr 5, 2024
Citation in opposition procedure - 004
Apr 5, 2024
Citation in opposition procedure - 005
Apr 5, 2024
Citation in opposition procedure - 006
Apr 5, 2024
Citation in opposition procedure - 007
Apr 5, 2024
Notice of opposition
Apr 5, 2024
Notice of opposition
Dec 19, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 9, 2023
Decision to grant a European patent
Oct 10, 2023
Change to the inventor details
Oct 5, 2023
(Electronic) Receipt
Oct 5, 2023
Filing of the translations of the claims
Oct 5, 2023
French translation of claims
Oct 5, 2023
German translation of the claims
Oct 5, 2023
Letter accompanying subsequently filed items
Jun 5, 2023
Annex to the communication about intention to grant a European patent
Jun 5, 2023
Bibliographic data of the European patent application
Jun 5, 2023
Communication about intention to grant a European patent
Jun 5, 2023
Intention to grant (signatures)
Jun 5, 2023
Text intended for grant (clean copy)
Jun 5, 2023
Text intended for grant (version for approval)
Apr 18, 2023
(Electronic) Receipt
Apr 18, 2023
Amended claims with annotations
Apr 18, 2023
Amended description with annotations
Apr 18, 2023
Claims
Apr 18, 2023
Description
Apr 18, 2023
Letter accompanying subsequently filed items
Apr 18, 2023
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Dec 19, 2022
Annex to the communication about intention to grant a European patent
Dec 19, 2022
Bibliographic data of the European patent application
Dec 19, 2022
Communication about intention to grant a European patent
Dec 19, 2022
Intention to grant (signatures)
Dec 19, 2022
Text intended for grant (clean copy)
Dec 19, 2022
Text intended for grant (version for approval)
Feb 17, 2021
(Electronic) Receipt
Feb 17, 2021
Amended claims with annotations
Feb 17, 2021
Claims
Feb 17, 2021
Letter accompanying subsequently filed items
Feb 17, 2021
Reply to communication from the Examining Division
Nov 30, 2020
Grant of extension of time limit (examination procedure)
Nov 24, 2020
(Electronic) Receipt
Nov 24, 2020
Request for extension of time limit to communication from the Examining Division
Aug 11, 2020
Annex to the communication
Aug 11, 2020
Communication from the Examining Division
Aug 3, 2020
Examination started
Jul 11, 2019
(Electronic) Receipt
Jul 11, 2019
Amended claims filed after receipt of (European) search report
Jul 11, 2019
Amended claims with annotations
Jul 11, 2019
Amendments received before examination
Jul 11, 2019
Letter accompanying subsequently filed items
Feb 27, 2019
Notification on forthcoming publication of bibliographic data
Jan 11, 2019
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jan 5, 2019
Priority search results copy provided by EPO
Jan 3, 2019
Communication to designated inventor
Jan 3, 2019
Communication to designated inventor
Jan 3, 2019
Communication to designated inventor
Jan 3, 2019
Communication to designated inventor
Dec 17, 2018
(Electronic) Receipt
Dec 17, 2018
Request for entry into the European phase
Dec 6, 2018
Copy of the international preliminary report on patentability
Sep 28, 2018
Information on entry into European phase
Dec 12, 2017
Priority document (electronically transmitted)
Nov 23, 2017
Copy of the international search report
Nov 23, 2017
Published international application - A1
Aug 11, 2017
ISR: cited documents
Aug 10, 2017
Written opinion of the ISA, boxes No. I to VIII
Aug 10, 2017
Written opinion of the ISA, cover sheet
Aug 10, 2017
Written opinion of the ISA, supplemental box
Jul 18, 2017
(Electronic) Receipt
Jul 18, 2017
Incoming letter related to PCT RO
Jul 18, 2017
Incoming letter related to PCT RO
Jul 18, 2017
Substitute sheet (R26) - Drawings
May 29, 2017
Notification of receipt of Search copy
May 26, 2017
Invitation to correct defects in the international application
May 26, 2017
Invitation to correct defects in the international application
May 26, 2017
Notification of the international application number and of the international filing date
May 23, 2017
Request form for international application (copy for ISA/EP)
May 19, 2017
(Electronic) Receipt
May 19, 2017
Abstract
May 19, 2017
Claims
May 19, 2017
Description
May 19, 2017
Drawings
May 19, 2017
Electronic request for grant of an International application
May 19, 2017
Payment of fees and costs
May 19, 2017
Priority document (RO-procedure)

EP3458121

FRESENIUS MEDICAL CARE DEUTSCHLAND

Application Number: EP17723718A
Filing Date: May 19, 2017
Status: Granted And Under Opposition; Nov 3, 2023
Publication Date: Dec 6, 2023
External Links: Slate, Register , Google Patents

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Dossier Documents

EP3458121