Method Of Reversibly Staining A Target Cell

Patent No. EP2734538 (titled "Method Of Reversibly Staining A Target Cell") was filed by IBA on Jul 17, 2012. The application was issued on Jul 3, 2024.

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
MILTENYI BIOTECH	Feb 1, 2019	KISTERS

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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Jun 6, 2024
Decision to maintain the European patent in amended form
Jun 6, 2024
Decision to maintain the European patent in amended form
May 28, 2024
(Electronic) Receipt
May 28, 2024
Filing of the translation of the amended claims
May 28, 2024
French translation of claims
May 28, 2024
German translation of the claims
May 28, 2024
Letter accompanying subsequently filed items
Mar 1, 2024
Communication to opponent concerning maintenance
Mar 1, 2024
Communication with request to file translations
Feb 28, 2024
Refund of fees
Feb 27, 2024
Maintenance of the patent with the documents specified in the final decision
Feb 22, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Feb 21, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Feb 21, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Feb 14, 2024
F3345 Forwarding of submissions to parties
Feb 13, 2024
(Electronic) Receipt
Feb 13, 2024
Letter accompanying subsequently filed items
Feb 13, 2024
Withdrawal of an appeal
Jan 26, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 25, 2024
(Electronic) Receipt
Jan 25, 2024
F3345 Forwarding of submissions to parties
Jan 25, 2024
Letter accompanying subsequently filed items
Jan 25, 2024
Request for interpreters during oral proceedings
Nov 23, 2023
F3345 Forwarding of submissions to parties
Nov 22, 2023
(Electronic) Receipt
Nov 22, 2023
Letter accompanying subsequently filed items
Nov 22, 2023
Letter dealing with oral proceedings during the appeal procedure
Jun 23, 2023
(Electronic) Receipt
Jun 23, 2023
Advice of delivery
Jun 23, 2023
F3011.1 Oral Proceedings: summons
Jun 23, 2023
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Jun 23, 2023
Letter accompanying subsequently filed items
Jun 22, 2023
F3010 Oral proceedings: order for summons
Jun 22, 2023
F3303.16 Change of composition of the Board (T)
Jan 19, 2023
Composition of the board (T)
Oct 5, 2022
(Electronic) Receipt
Oct 5, 2022
F3345 Forwarding of submissions to parties
Oct 5, 2022
Letter accompanying subsequently filed items
Oct 5, 2022
Non-Patent Literature cited during the appeal procedure
Oct 5, 2022
Reply to appeal
Jun 10, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 3, 2022
(Electronic) Receipt
Jun 3, 2022
Amended claims with annotations
Jun 3, 2022
Auxiliary request during appeals procedure - 01
Jun 3, 2022
Letter accompanying subsequently filed items
Jun 3, 2022
Patent Document cited during the appeal procedure
Jun 3, 2022
Statement of grounds of appeal
Apr 8, 2022
F3204 Communication of the file number to the parties
Apr 8, 2022
F3204 Communication of the file number to the parties
Apr 4, 2022
(Electronic) Receipt
Apr 4, 2022
Letter accompanying subsequently filed items
Apr 4, 2022
Notice of appeal
Jan 25, 2022
(Electronic) Receipt
Jan 25, 2022
Advice of delivery
Jan 25, 2022
Advice of delivery
Jan 25, 2022
Annex to the communication - opposition
Jan 25, 2022
Decision of the Opposition Division and instruction
Jan 25, 2022
Druckexemplar in opposition procedure
Jan 25, 2022
Grounds for the decision (Annex) - opposition
Jan 25, 2022
Interlocutory decision in opposition proceedings
Jan 25, 2022
Interlocutory decision in opposition proceedings
Jan 25, 2022
Letter accompanying subsequently filed items
Jan 25, 2022
Means of redress
Jan 25, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 25, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 25, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 25, 2022
Provision of a copy of the minutes - opposition procedure
Jan 25, 2022
Provision of a copy of the minutes - opposition procedure
Jan 25, 2022
Scanned annex to a communication - opposition procedure
Jan 25, 2022
Scanned annex to a communication - opposition procedure
Jan 25, 2022
Transmittal of decision / summons - opposition
Jan 25, 2022
Transmittal of decision / summons - opposition
Jan 13, 2022
Information about the result of oral proceedings
Jan 12, 2022
Brief communication - Opposition proceedings
Jan 7, 2022
(Electronic) Receipt
Jan 7, 2022
Auxiliary request during Opposition procedure
Jan 7, 2022
Auxiliary request during Opposition procedure
Jan 7, 2022
Auxiliary request during Opposition procedure
Jan 7, 2022
Auxiliary request during Opposition procedure - 01
Jan 7, 2022
Auxiliary request during Opposition procedure - 02
Jan 7, 2022
Auxiliary request during Opposition procedure - 03
Jan 7, 2022
Letter accompanying subsequently filed items
Jan 7, 2022
Written submission in preparation to/during oral proceedings
Nov 17, 2021
Brief communication - Opposition proceedings
Nov 12, 2021
(Electronic) Receipt
Nov 12, 2021
Request for interpreters during oral proceedings
Nov 11, 2021
Brief communication - Opposition proceedings
Nov 8, 2021
(Electronic) Receipt
Nov 8, 2021
Citation in opposition procedure - 006
Nov 8, 2021
Consolidated list of cited opposition documents
Nov 8, 2021
Letter accompanying subsequently filed items
Nov 8, 2021
Written submission in preparation to/during oral proceedings
Oct 15, 2021
Communication from the Legal Division
Oct 7, 2021
Brief communication - Opposition proceedings
Oct 7, 2021
Communication of the registration of a transfer or change of name and/or address
Sep 15, 2021
(Electronic) Receipt
Sep 15, 2021
Annexes in respect of a client data request
Sep 15, 2021
Letter accompanying subsequently filed items
Sep 15, 2021
Submission concerning change of applicant's name
Aug 5, 2021
Notification concerning the date of oral proceedings
Aug 5, 2021
Notification concerning the date of oral proceedings
Jan 15, 2021
(Electronic) Receipt
Jan 15, 2021
Advice of delivery
Jan 15, 2021
Letter accompanying subsequently filed items
Jan 14, 2021
Advice of delivery
Jan 14, 2021
Annex to the communication - opposition
Jan 14, 2021
Information concerning oral proceedings
Jan 14, 2021
Summons to attend oral proceedings
Jan 14, 2021
Summons to attend oral proceedings
Jan 14, 2021
Transmittal of decision / summons - opposition
Jan 14, 2021
Transmittal of decision / summons - opposition
Sep 29, 2020
(Electronic) Receipt
Sep 29, 2020
Letter accompanying subsequently filed items
Sep 29, 2020
Written submission in preparation to/during oral proceedings
Sep 23, 2020
Brief communication - Opposition proceedings
Sep 21, 2020
Brief communication - Opposition proceedings
Sep 21, 2020
Notification concerning the date of oral proceedings
Sep 21, 2020
Notification concerning the date of oral proceedings
Sep 21, 2020
Notification concerning the date of oral proceedings
Sep 21, 2020
Notification concerning the date of oral proceedings
Sep 16, 2020
(Electronic) Receipt
Sep 16, 2020
(Electronic) Receipt
Sep 16, 2020
Auxiliary request during Opposition procedure
Sep 16, 2020
Auxiliary request during Opposition procedure
Sep 16, 2020
Auxiliary request during Opposition procedure - 01
Sep 16, 2020
Auxiliary request during Opposition procedure - 02
Sep 16, 2020
Letter accompanying subsequently filed items
Sep 16, 2020
Letter accompanying subsequently filed items
Sep 16, 2020
Notification concerning the date of oral proceedings
Sep 16, 2020
Notification concerning the date of oral proceedings
Sep 16, 2020
Notification concerning the date of oral proceedings
Sep 16, 2020
Notification concerning the date of oral proceedings
Sep 16, 2020
Written submission in preparation to/during oral proceedings
Sep 16, 2020
Written submission in preparation to/during oral proceedings
Sep 15, 2020
Communication of amended entries
May 12, 2020
(Electronic) Receipt
May 12, 2020
Annexes in respect of a client data request
May 12, 2020
Annexes in respect of a client data request
May 12, 2020
Letter accompanying subsequently filed items
May 12, 2020
Request for transfer of rights - opponent
Apr 28, 2020
Result of consultation by telephone/in person
Apr 17, 2020
Brief communication - Opposition proceedings
Apr 16, 2020
Brief communication in opposition procedure - time limit
Apr 1, 2020
(Electronic) Receipt
Apr 1, 2020
Annexes in respect of a client data request
Apr 1, 2020
Letter accompanying subsequently filed items
Apr 1, 2020
Request for transfer of rights - opponent
Jan 7, 2020
Advice of delivery
Jan 7, 2020
Advice of delivery
Jan 3, 2020
Acknowledgement of a document
Jan 3, 2020
Acknowledgement of a document
Jan 3, 2020
Annex to the communication - opposition
Jan 3, 2020
Information concerning oral proceedings
Jan 3, 2020
Notification concerning the date of oral proceedings
Jan 3, 2020
Notification concerning the date of oral proceedings
Jan 3, 2020
Summons to attend oral proceedings
Jan 3, 2020
Summons to attend oral proceedings
Jan 2, 2020
Brief communication - Opposition proceedings
Jan 2, 2020
Brief communication in opposition procedure - time limit
Dec 12, 2019
Brief communication - Opposition proceedings
Dec 9, 2019
(Electronic) Receipt
Dec 9, 2019
Any annexes (other than citation) to an opposition letter
Dec 9, 2019
Letter accompanying subsequently filed items
Dec 9, 2019
Oral proceedings: Request for postponement
Nov 25, 2019
Advice of delivery
Nov 25, 2019
Advice of delivery
Nov 22, 2019
Annex to the communication - opposition
Nov 22, 2019
Information concerning oral proceedings
Nov 22, 2019
Summons to attend oral proceedings
Nov 22, 2019
Summons to attend oral proceedings
Oct 18, 2019
(Electronic) Receipt
Oct 18, 2019
Citation in opposition procedure - 005
Oct 18, 2019
Letter accompanying subsequently filed items
Oct 18, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jun 27, 2019
Brief communication - Opposition proceedings
Jun 27, 2019
Rejection of request for extension of time limit
Jun 24, 2019
Rejection of request for extension of time limit
Jun 24, 2019
Request for extension of time limit
Feb 13, 2019
Communication of a notice of opposition and request to file observations
Feb 13, 2019
Notice of further oppositions to opponent(s)
Feb 6, 2019
Communication of a notice of opposition - first information to patent proprietor
Feb 1, 2019
(Electronic) Receipt
Feb 1, 2019
Citation in opposition procedure - 001
Feb 1, 2019
Citation in opposition procedure - 002
Feb 1, 2019
Citation in opposition procedure - 002
Feb 1, 2019
Citation in opposition procedure - 003
Feb 1, 2019
Citation in opposition procedure - 004
Feb 1, 2019
Citation in opposition procedure - 005
Feb 1, 2019
Notice of opposition
Feb 1, 2019
Notice of opposition
Jul 5, 2018
Submission concerning representation
May 14, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 6, 2018
Decision to grant a European patent
Mar 21, 2018
(Electronic) Receipt
Mar 21, 2018
Filing of the translations of the claims
Mar 21, 2018
French translation of claims
Mar 21, 2018
German translation of the claims
Mar 21, 2018
Letter accompanying subsequently filed items
Mar 8, 2018
Bibliographic data of the European patent application
Mar 8, 2018
Communication about intention to grant a European patent
Mar 8, 2018
Intention to grant (signatures)
Mar 8, 2018
Text intended for grant (clean copy)
Mar 8, 2018
Text intended for grant (version for approval)
Nov 13, 2017
(Electronic) Receipt
Nov 13, 2017
Amended claims with annotations
Nov 13, 2017
Amended description with annotations
Nov 13, 2017
Claims
Nov 13, 2017
Description
Nov 13, 2017
Letter accompanying subsequently filed items
Nov 13, 2017
Reply to communication from the Examining Division
Oct 11, 2017
Annex to the communication
Oct 11, 2017
Consultation by telephone/in person (with time limit)
Oct 11, 2017
Result of consultation by telephone/in person
Aug 3, 2017
(Electronic) Receipt
Aug 3, 2017
Letter accompanying subsequently filed items
Aug 3, 2017
Reply to communication from the Examining Division
Jun 6, 2017
Grant of extension of time limit (examination procedure)
May 31, 2017
Request for extension of time limit to communication from the Examining Division
Jan 30, 2017
Annex to the communication
Jan 30, 2017
Communication from the Examining Division
Dec 22, 2016
(Electronic) Receipt
Dec 22, 2016
Amended claims with annotations
Dec 22, 2016
Amended description with annotations
Dec 22, 2016
Claims
Dec 22, 2016
Description
Dec 22, 2016
Letter accompanying subsequently filed items
Dec 22, 2016
Reply to communication from the Examining Division
Dec 20, 2016
Acknowledgement of receipt of third party observations
Dec 20, 2016
Transmittal of third party observations to applicant
Dec 14, 2016
(Electronic) Receipt
Dec 14, 2016
Letter accompanying subsequently filed items
Dec 14, 2016
Non-patent literature filed by a third party
Dec 14, 2016
Observations by third parties
Nov 7, 2016
Grant of extension of time limit (examination procedure)
Oct 31, 2016
Request for extension of time limit to communication from the Examining Division
Jun 21, 2016
Annex to the communication
Jun 21, 2016
Communication from the Examining Division
Apr 22, 2016
(Electronic) Receipt
Apr 22, 2016
Amended claims with annotations
Apr 22, 2016
Claims
Apr 22, 2016
Letter accompanying subsequently filed items
Apr 22, 2016
Non-patent literature cited during the examination procedure
Apr 22, 2016
Non-patent literature cited during the examination procedure
Apr 22, 2016
Reply to communication from the Examining Division
Dec 15, 2015
Annex to the communication
Dec 15, 2015
Communication from the Examining Division
Nov 25, 2015
Grant of extension of time limit (examination procedure)
Nov 9, 2015
(Electronic) Receipt
Nov 9, 2015
Amended claims with annotations
Nov 9, 2015
Claims
Nov 9, 2015
Letter accompanying subsequently filed items
Nov 9, 2015
Reply to communication from the Examining Division
Nov 5, 2015
(Electronic) Receipt
Nov 5, 2015
Letter accompanying subsequently filed items
Jun 25, 2015
Annex to the communication
Jun 25, 2015
Communication from the Examining Division
Jun 9, 2015
(Electronic) Receipt
Jun 9, 2015
Letter accompanying subsequently filed items
Jun 9, 2015
Reply to communication from the Examining Division
Apr 14, 2015
Grant of extension of time limit (examination procedure)
Apr 7, 2015
(Electronic) Receipt
Apr 7, 2015
Request for extension of time limit to communication from the Examining Division
Dec 2, 2014
Annex to the communication
Dec 2, 2014
Communication from the Examining Division
Nov 24, 2014
Examination started
Apr 30, 2014
Notification on forthcoming publication of bibliographic data
Feb 28, 2014
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Feb 26, 2014
Communication to designated inventor
Feb 26, 2014
Communication to designated inventor
Feb 26, 2014
Communication to designated inventor
Feb 26, 2014
Communication to designated inventor
Feb 10, 2014
(Electronic) Receipt
Feb 10, 2014
Amended claims filed after receipt of (European) search report
Feb 10, 2014
Amended claims with annotations
Feb 10, 2014
Request for entry into the European phase
Feb 6, 2014
Copy of the international preliminary report on patentability
Nov 29, 2013
Information on entry into European phase
May 2, 2013
Copy of the international search report
May 2, 2013
International publication of the international search report
Mar 11, 2013
Written opinion of the ISA, boxes No. I to VIII
Mar 11, 2013
Written opinion of the ISA, cover sheet
Mar 11, 2013
Written opinion of the ISA, supplemental box
Feb 13, 2013
Priority document (electronically transmitted)
Jan 24, 2013
Published international application - A2
Jul 17, 2012
(Electronic) Receipt
Jul 17, 2012
Abstract
Jul 17, 2012
Claims
Jul 17, 2012
Description
Jul 17, 2012
Drawings

EP2734538

IBA

Application Number: EP12747985A
Filing Date: Jul 17, 2012
Status: Patent Maintained As Amended; May 31, 2024
Publication Date: Jul 3, 2024
External Links: Slate, Register , Google Patents

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Method Of Reversibly Staining A Target Cell

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Dossier Documents

EP2734538