Chromatographic Purification Method

Patent No. EP2925419 (titled "Chromatographic Purification Method") was filed by Chromacon on Apr 3, 2014. The application was issued on Feb 22, 2023.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
CYTIVA SWEDEN	Apr 20, 2017	MAIWALD PATENT- UND RECHTSANWALTSGESELLSCHAFT MBH

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

Jan 26, 2023
Decision to maintain the European patent in amended form
Jan 26, 2023
Decision to maintain the European patent in amended form
Jan 20, 2023
Termination of the opposition proceedings with maintenance of patent
Jan 12, 2023
(Electronic) Receipt
Jan 12, 2023
(Electronic) Receipt
Jan 12, 2023
Amended description with annotations
Jan 12, 2023
Clean copy of description pages in the opposition procedure
Jan 12, 2023
Filing of the translation of the amended claims
Jan 12, 2023
Filing of the translation of the amended claims
Jan 12, 2023
French translation of claims
Jan 12, 2023
German translation of the claims
Jan 12, 2023
Letter accompanying subsequently filed items
Jan 12, 2023
Letter accompanying subsequently filed items
Nov 9, 2022
Brief communication - Opposition proceedings
Oct 28, 2022
Communication of bibliographic data
Oct 28, 2022
Communication to opponent concerning maintenance
Oct 28, 2022
Communication with request to file translations
Oct 25, 2022
Brief communication - Opposition proceedings
Oct 25, 2022
Maintenance of the patent with the documents specified in the final decision
Oct 24, 2022
Communication of amended entries
Oct 13, 2022
Request concerning representative opponent
Jul 18, 2022
Advice of delivery
Jul 18, 2022
Advice of delivery
Jul 13, 2022
Decision of the Opposition Division and instruction
Jul 13, 2022
Grounds for the decision (Annex) - opposition
Jul 13, 2022
Interlocutory decision in opposition proceedings
Jul 13, 2022
Interlocutory decision in opposition proceedings
Jul 13, 2022
Means of redress
Jul 13, 2022
OPPODREX with handwritten amendments
Jul 13, 2022
Transmittal of decision / summons - opposition
Jul 13, 2022
Transmittal of decision / summons - opposition
Jan 17, 2022
Brief communication - Opposition proceedings
Jan 11, 2022
(Electronic) Receipt
Jan 11, 2022
Letter accompanying subsequently filed items
Jan 11, 2022
Reply to an examination report in opposition proceedings
Dec 23, 2021
Annex to the communication - opposition
Dec 23, 2021
Brief communication - Opposition proceedings
Dec 23, 2021
Brief communication - Opposition proceedings
Dec 23, 2021
Communication inviting the parties to file observations
Dec 23, 2021
Communication inviting the parties to file observations
Dec 23, 2021
Scanned annex to a communication - opposition procedure
Oct 4, 2021
Advice of delivery
Oct 1, 2021
Decision of the Board of Appeal
Oct 1, 2021
F3032 Notification(s) of the decision
Oct 1, 2021
F3032 Notification(s) of the decision
Jul 15, 2021
Annex
Jul 15, 2021
Annex
Jul 15, 2021
F3013 Oral Proceedings: Forwarding minutes
Jul 15, 2021
F3013 Oral Proceedings: Forwarding minutes
Jul 15, 2021
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Jun 24, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 24, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 24, 2021
F3345 Forwarding of submissions to parties
Jun 22, 2021
F3345 Forwarding of submissions to parties
Jun 21, 2021
F3345 Forwarding of submissions to parties
Jun 18, 2021
(Electronic) Receipt
Jun 18, 2021
F3345 Forwarding of submissions to parties
Jun 18, 2021
Letter accompanying subsequently filed items
Jun 18, 2021
Letter relating to Appeal Procedure
Jun 17, 2021
(Electronic) Receipt
Jun 17, 2021
Letter accompanying subsequently filed items
Jun 17, 2021
Letter dealing with oral proceedings
Jun 16, 2021
(Electronic) Receipt
Jun 16, 2021
Auxiliary request during Opposition procedure
Jun 16, 2021
Letter dealing with oral proceedings
Jun 16, 2021
Written submission in preparation to/during oral proceedings
Jun 15, 2021
F3004 Communication of the Registry
Jun 15, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 15, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 15, 2021
F3345 Forwarding of submissions to parties
Jun 14, 2021
(Electronic) Receipt
Jun 14, 2021
Cited document during appeal procedure
Jun 14, 2021
Letter accompanying subsequently filed items
Jun 14, 2021
Letter dealing with oral proceedings during the appeal procedure
Jun 11, 2021
F3004 Communication of the Registry
Jun 11, 2021
F3345 Forwarding of submissions to parties
Jun 9, 2021
F3345 Forwarding of submissions to parties
Jun 8, 2021
(Electronic) Receipt
Jun 8, 2021
Letter accompanying subsequently filed items
Jun 8, 2021
Letter dealing with oral proceedings during the appeal procedure
Jun 8, 2021
Letter dealing with oral proceedings during the appeal procedure
Jun 8, 2021
Non-Patent Literature cited during the appeal procedure
Jun 8, 2021
Non-Patent Literature cited during the appeal procedure
Jun 8, 2021
Non-scannable object
Jun 4, 2021
(Electronic) Receipt
Jun 4, 2021
Letter accompanying subsequently filed items
Jun 4, 2021
Letter dealing with oral proceedings during the appeal procedure
Jun 2, 2021
Communication of amended entries in the Register of European Patents
Jun 2, 2021
F3345 Forwarding of submissions to parties
Jun 2, 2021
F3345 Forwarding of submissions to parties
Jun 2, 2021
F3345 Forwarding of submissions to parties
May 28, 2021
Request for change of opponent's representative
May 27, 2021
(Electronic) Receipt
May 27, 2021
Annexes in respect of a client data request
May 27, 2021
Authorisation
May 27, 2021
Letter accompanying subsequently filed items
May 27, 2021
Request for change of name -opponent
Mar 8, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 8, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 21, 2020
F3345 Forwarding of submissions to parties
Aug 19, 2020
Advice of delivery
Aug 19, 2020
Communication about missing proof of delivery
Aug 18, 2020
(Electronic) Receipt
Aug 18, 2020
Letter dealing with oral proceedings during the appeal procedure
Aug 18, 2020
Written submission in preparation to/during oral proceedings
Aug 17, 2020
Advice of delivery
Aug 14, 2020
Communication about missing proof of delivery
Jul 17, 2020
F3011.1 Oral Proceedings: summons
Jul 17, 2020
F3011.1 Oral Proceedings: summons
Jul 14, 2020
F3010 Oral proceedings: order for summons
Jan 15, 2020
F3057 Communication: Change of responsibility of a Board of Appeal
Jan 15, 2020
F3057 Communication: Change of responsibility of a Board of Appeal
Jan 14, 2020
F3303.16 Change of composition of the Board (T)
Nov 13, 2019
Composition of the board (T)
Oct 25, 2019
F3345 Forwarding of submissions to parties
Oct 21, 2019
Letter relating to Appeal Procedure
Aug 30, 2019
F3345 Forwarding of submissions to parties
Aug 30, 2019
F3345 Forwarding of submissions to parties
Aug 28, 2019
F3345 Forwarding of submissions to parties
Aug 27, 2019
(Electronic) Receipt
Aug 27, 2019
(Electronic) Receipt
Aug 27, 2019
Letter accompanying subsequently filed items
Aug 27, 2019
Letter regarding the opposition procedure (no time limit)
Aug 27, 2019
Reply to appeal
Aug 27, 2019
Reply to appeal
Aug 23, 2019
(Electronic) Receipt
Aug 23, 2019
Letter accompanying subsequently filed items
Aug 23, 2019
Reply to appeal
Apr 25, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 25, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 18, 2019
(Electronic) Receipt
Apr 18, 2019
Amended claims with annotations
Apr 18, 2019
Claims
Apr 18, 2019
Letter accompanying subsequently filed items
Apr 18, 2019
Statement of grounds of appeal
Apr 11, 2019
(Electronic) Receipt
Apr 11, 2019
Letter accompanying subsequently filed items
Apr 11, 2019
Non-Patent Literature cited during the appeal procedure
Apr 11, 2019
Non-Patent Literature cited during the appeal procedure
Apr 11, 2019
Statement of grounds of appeal
Feb 22, 2019
F3204 Communication of the file number to the parties
Feb 22, 2019
F3204 Communication of the file number to the parties
Feb 18, 2019
(Electronic) Receipt
Feb 18, 2019
Letter accompanying subsequently filed items
Feb 18, 2019
Notice of appeal
Feb 14, 2019
F3204 Communication of the file number to the parties
Feb 14, 2019
F3204 Communication of the file number to the parties
Feb 11, 2019
Brief communication - Opposition proceedings
Feb 11, 2019
Communication of amended entries
Feb 8, 2019
(Electronic) Receipt
Feb 8, 2019
Letter accompanying subsequently filed items
Feb 8, 2019
Notice of appeal
Feb 8, 2019
Processing of an appeal
Feb 6, 2019
Request for change of opponent's representative
Dec 24, 2018
Advice of delivery
Dec 20, 2018
Advice of delivery
Dec 17, 2018
Advice of delivery
Dec 17, 2018
Advice of delivery
Dec 10, 2018
Acknowledgement of a document
Dec 10, 2018
Acknowledgement of a document
Dec 10, 2018
Annex to the communication - opposition
Dec 10, 2018
Decision of the Opposition Division and instruction
Dec 10, 2018
Druckexemplar in opposition procedure
Dec 10, 2018
Grounds for the decision (Annex) - opposition
Dec 10, 2018
Interlocutory decision in opposition proceedings
Dec 10, 2018
Internal form - Opposition/addressees
Dec 10, 2018
Internal form - Opposition/addressees
Dec 10, 2018
Means of redress
Dec 10, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 10, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 10, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 10, 2018
Provision of a copy of the minutes - opposition procedure
Dec 10, 2018
Scanned annex to a communication - opposition procedure
Dec 10, 2018
Scanned annex to a communication - opposition procedure
Oct 2, 2018
Information about the result of oral proceedings
Sep 27, 2018
Brief communication - Opposition proceedings
Sep 21, 2018
(Electronic) Receipt
Sep 21, 2018
Citation in opposition procedure
Sep 21, 2018
Letter accompanying subsequently filed items
Sep 21, 2018
Non-patent literature cited during the opposition procedure
Sep 21, 2018
Written submission in preparation to/during oral proceedings
Sep 12, 2018
Notification concerning the date of oral proceedings
Sep 12, 2018
Notification concerning the date of oral proceedings
Aug 31, 2018
Brief communication - Opposition proceedings
Aug 27, 2018
(Electronic) Receipt
Aug 27, 2018
Letter accompanying subsequently filed items
Aug 27, 2018
Written submission in preparation to/during oral proceedings
Aug 8, 2018
Brief communication - Opposition proceedings
Aug 2, 2018
(Electronic) Receipt
Aug 2, 2018
Letter accompanying subsequently filed items
Aug 2, 2018
Written submission in preparation to/during oral proceedings
May 3, 2018
Brief communication - Opposition proceedings
Apr 27, 2018
(Electronic) Receipt
Apr 27, 2018
Letter accompanying subsequently filed items
Apr 27, 2018
Oral proceedings: reply to date proposed
Feb 19, 2018
Advice of delivery
Feb 16, 2018
Advice of delivery
Feb 14, 2018
Advice of delivery
Feb 12, 2018
Advice of delivery
Feb 8, 2018
Acknowledgement of a document
Feb 8, 2018
Acknowledgement of a document
Feb 8, 2018
Annex to the communication - opposition
Feb 8, 2018
Information concerning oral proceedings
Feb 8, 2018
Preparation for oral proceedings
Feb 8, 2018
Summons to attend oral proceedings
Feb 8, 2018
Summons to attend oral proceedings
Oct 2, 2017
Brief communication - Opposition proceedings
Sep 26, 2017
(Electronic) Receipt
Sep 26, 2017
Amended claims with annotations
Sep 26, 2017
Amended claims with annotations
Sep 26, 2017
Amended claims with annotations
Sep 26, 2017
Claims
Sep 26, 2017
Claims
Sep 26, 2017
Letter accompanying subsequently filed items
Sep 26, 2017
Reply of the patent proprietor to the notice(s) of opposition
Sep 21, 2017
Brief communication - Opposition proceedings
Sep 21, 2017
Refusal of request for extension of time limit
Sep 18, 2017
(Electronic) Receipt
Sep 18, 2017
Letter accompanying subsequently filed items
Sep 18, 2017
Request for extension of time limit
May 26, 2017
Communication of a notice of opposition and request to file observations
May 26, 2017
Notice of further oppositions to opponent(s)
May 11, 2017
Brief communication - Opposition proceedings
May 8, 2017
(Electronic) Receipt
May 8, 2017
Letter accompanying subsequently filed items
May 8, 2017
Letter regarding the opposition procedure (no time limit)
May 2, 2017
Communication of a notice of opposition - first information to patent proprietor
Apr 20, 2017
(Electronic) Receipt
Apr 20, 2017
Non-patent literature cited during the opposition procedure
Apr 20, 2017
Non-patent literature cited during the opposition procedure
Apr 20, 2017
Non-patent literature cited during the opposition procedure
Apr 20, 2017
Non-patent literature cited during the opposition procedure
Apr 20, 2017
Non-patent literature cited during the opposition procedure
Apr 20, 2017
Non-patent literature cited during the opposition procedure
Apr 20, 2017
Non-patent literature cited during the opposition procedure
Apr 20, 2017
Non-patent literature cited during the opposition procedure
Apr 20, 2017
Non-patent literature cited during the opposition procedure
Apr 20, 2017
Non-patent literature cited during the opposition procedure
Apr 20, 2017
Non-patent literature cited during the opposition procedure
Apr 20, 2017
Non-patent literature cited during the opposition procedure
Apr 20, 2017
Non-patent literature cited during the opposition procedure
Apr 20, 2017
Non-patent literature cited during the opposition procedure
Apr 20, 2017
Notice of opposition
Apr 20, 2017
Notice of opposition
Apr 20, 2017
Patent document cited during the opposition procedure
Apr 20, 2017
Patent document cited during the opposition procedure
Apr 20, 2017
Patent document cited during the opposition procedure
Apr 20, 2017
Patent document cited during the opposition procedure
Apr 20, 2017
Patent document cited during the opposition procedure
Apr 20, 2017
Patent document cited during the opposition procedure
Mar 10, 2017
Submission concerning representation
Oct 27, 2016
Priority document (electronically transmitted)
Jul 21, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 23, 2016
Decision to grant a European patent
Apr 29, 2016
(Electronic) Receipt
Apr 29, 2016
Filing of the translations of the claims
Apr 29, 2016
French translation of claims
Apr 29, 2016
German translation of the claims
Apr 29, 2016
Letter accompanying subsequently filed items
Apr 14, 2016
Payment of fees and costs
Apr 14, 2016
Payment of fees and costs
Jan 5, 2016
Bibliographic data of the European patent application
Jan 5, 2016
Communication about intention to grant a European patent
Jan 5, 2016
Intention to grant (signatures)
Jan 5, 2016
Text intended for grant (clean copy)
Jan 5, 2016
Text intended for grant (version for approval)
Dec 23, 2015
Brief communication to applicant/representative (Legal Division)
Dec 14, 2015
Letter concerning the inventor
Dec 7, 2015
Invitation to indicate correct address of inventor
Dec 1, 2015
Examination started
Nov 30, 2015
Letter which had not been notified
Nov 16, 2015
Letter concerning the inventor
Nov 13, 2015
Communication to designated inventor
Nov 13, 2015
Communication to designated inventor
Nov 13, 2015
Communication to designated inventor
Nov 13, 2015
Communication to designated inventor
Nov 13, 2015
Communication to designated inventor
Oct 28, 2015
Copy of the international preliminary report on patentability
Sep 30, 2015
Refund of fees
Sep 21, 2015
(Electronic) Receipt
Sep 21, 2015
Letter accompanying subsequently filed items
Sep 21, 2015
Letter concerning fees and payments
Sep 9, 2015
Notification on forthcoming publication of bibliographic data
Aug 6, 2015
Confirmation of receipt of (electronically) transmitted priority document
Aug 6, 2015
Priority search results copy provided by EPO
Aug 5, 2015
(Electronic) Receipt
Aug 5, 2015
Letter accompanying subsequently filed items
Aug 5, 2015
Letter concerning fees and payments
Jul 30, 2015
Priority document (electronically transmitted)
Jul 28, 2015
Notice on debiting of fees
Jul 21, 2015
Note on telephone consultation
Jun 30, 2015
(Electronic) Receipt
Jun 30, 2015
(Electronic) Receipt
Jun 30, 2015
(Electronic) Receipt
Jun 30, 2015
Amended claims filed after receipt of (European) search report
Jun 30, 2015
Amended claims with annotations
Jun 30, 2015
Amended description filed after receipt of (European) search report
Jun 30, 2015
Amended description with annotations
Jun 30, 2015
Amendments received before examination
Jun 30, 2015
Document related to search matters
Jun 30, 2015
Letter accompanying subsequently filed items
Jun 30, 2015
Letter accompanying subsequently filed items
Jun 30, 2015
Request for entry into the European phase
Oct 16, 2014
Copy of the international search report
Oct 16, 2014
Published international application - A1
Aug 11, 2014
Copy of the international preliminary report on patentability
Aug 11, 2014
Written opinion of the ISA, boxes No. I to VIII
Aug 11, 2014
Written opinion of the ISA, cover sheet
Aug 11, 2014
Written opinion of the ISA, supplemental box
Aug 5, 2014
(Electronic) Receipt
Jun 20, 2014
(Electronic) Receipt
Apr 3, 2014
(Electronic) Receipt
Apr 3, 2014
Abstract
Apr 3, 2014
Claims
Apr 3, 2014
Description
Apr 3, 2014
Drawings
Apr 3, 2014
Priority document (RO-procedure)

EP2925419

CHROMACON

Application Number: EP14715577A
Filing Date: Apr 3, 2014
Status: Patent Maintained As Amended; Jan 20, 2023
Publication Date: Feb 22, 2023
External Links: Slate, Register , Google Patents

IP Verse

Chromatographic Purification Method

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2925419