Methods Of Purifying Polypeptides

Patent No. EP2575847 (titled "Methods Of Purifying Polypeptides") was filed by F Hoffmann LA Roche on May 25, 2011. The application was issued on Apr 27, 2022.

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
BAYER	Mar 14, 2018	DRIEHAUS

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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Mar 31, 2022
Decision to maintain the European patent in amended form
Mar 31, 2022
Decision to maintain the European patent in amended form
Mar 25, 2022
Termination of the opposition proceedings with maintenance of patent
Mar 16, 2022
(Electronic) Receipt
Mar 16, 2022
Filing of the translation of the amended claims
Mar 16, 2022
French translation of claims
Mar 16, 2022
German translation of the claims
Mar 16, 2022
Letter accompanying subsequently filed items
Jan 25, 2022
Communication to opponent concerning maintenance
Jan 25, 2022
Communication with request to file translations
Jan 20, 2022
Maintenance of the patent with the documents specified in the final decision
Nov 30, 2021
(Electronic) Receipt
Nov 30, 2021
Advice of delivery
Nov 30, 2021
Letter accompanying subsequently filed items
Nov 26, 2021
Communication about missing advice of delivery
Oct 20, 2021
(Electronic) Receipt
Oct 20, 2021
Advice of delivery
Oct 20, 2021
Letter accompanying subsequently filed items
Oct 11, 2021
Annex to the communication - opposition
Oct 11, 2021
Decision of the Opposition Division and instruction
Oct 11, 2021
Druckexemplar in opposition procedure
Oct 11, 2021
Grounds for the decision (Annex) - opposition
Oct 11, 2021
Interlocutory decision in opposition proceedings
Oct 11, 2021
Interlocutory decision in opposition proceedings
Oct 11, 2021
Means of redress
Oct 11, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 11, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 11, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 11, 2021
Provision of a copy of the minutes - opposition procedure
Oct 11, 2021
Provision of a copy of the minutes - opposition procedure
Oct 11, 2021
Scanned annex to a communication - opposition procedure
Oct 11, 2021
Scanned annex to a communication - opposition procedure
Oct 11, 2021
Transmittal of decision / summons - opposition
Oct 11, 2021
Transmittal of decision / summons - opposition
Sep 16, 2021
Information about the result of oral proceedings
Jul 22, 2021
Brief communication - Opposition proceedings
Jul 16, 2021
(Electronic) Receipt
Jul 16, 2021
Citation in opposition procedure - 027
Jul 16, 2021
Citation in opposition procedure - 028
Jul 16, 2021
Consolidated list of cited opposition documents
Jul 16, 2021
Letter accompanying subsequently filed items
Jul 16, 2021
Written submission in preparation to/during oral proceedings
Jun 2, 2021
Brief communication - Opposition proceedings
Jun 1, 2021
Notification concerning the date of oral proceedings
Jun 1, 2021
Notification concerning the date of oral proceedings
May 28, 2021
(Electronic) Receipt
May 28, 2021
Letter accompanying subsequently filed items
May 28, 2021
Request for interpreters during oral proceedings
Mar 29, 2021
Communication of amended entries
Mar 19, 2021
(Electronic) Receipt
Mar 19, 2021
Letter accompanying subsequently filed items
Mar 19, 2021
Request for change of opponent's representative
Dec 15, 2020
(Electronic) Receipt
Dec 15, 2020
Advice of delivery
Dec 15, 2020
Letter accompanying subsequently filed items
Dec 1, 2020
(Electronic) Receipt
Dec 1, 2020
Advice of delivery
Dec 1, 2020
Letter accompanying subsequently filed items
Nov 27, 2020
Acknowledgement of a document
Nov 27, 2020
Acknowledgement of a document
Nov 27, 2020
Annex to the communication - opposition
Nov 27, 2020
Information concerning oral proceedings
Nov 27, 2020
Summons to attend oral proceedings
Nov 27, 2020
Summons to attend oral proceedings
Aug 21, 2020
Brief communication - Opposition proceedings
Aug 21, 2020
Brief communication - Opposition proceedings
Aug 21, 2020
Notification concerning the date of oral proceedings
Aug 21, 2020
Notification concerning the date of oral proceedings
Aug 6, 2020
(Electronic) Receipt
Aug 6, 2020
Letter accompanying subsequently filed items
Aug 6, 2020
Oral proceedings: reply to date proposed
Aug 4, 2020
(Electronic) Receipt
Aug 4, 2020
Letter accompanying subsequently filed items
Aug 4, 2020
Oral proceedings: reply to date proposed
Jul 30, 2020
(Electronic) Receipt
Jul 30, 2020
Advice of delivery
Jul 30, 2020
Letter accompanying subsequently filed items
Jul 16, 2020
(Electronic) Receipt
Jul 16, 2020
Advice of delivery
Jul 16, 2020
Letter accompanying subsequently filed items
Jul 10, 2020
Acknowledgement of a document
Jul 10, 2020
Acknowledgement of a document
Jul 10, 2020
Annex to the communication - opposition
Jul 10, 2020
Information concerning oral proceedings
Jul 10, 2020
Summons to attend oral proceedings
Jul 10, 2020
Summons to attend oral proceedings
Mar 19, 2020
Document concerning representation
Mar 19, 2020
Notification concerning the date of oral proceedings
Mar 19, 2020
Notification concerning the date of oral proceedings
Mar 16, 2020
(Electronic) Receipt
Mar 16, 2020
(Electronic) Receipt
Mar 16, 2020
Letter accompanying subsequently filed items
Mar 16, 2020
Letter accompanying subsequently filed items
Mar 16, 2020
Oral proceedings: Request for postponement
Mar 16, 2020
Oral proceedings: Request for postponement
Feb 4, 2020
Brief communication - Opposition proceedings
Feb 4, 2020
Communication of amended entries
Jan 31, 2020
(Electronic) Receipt
Jan 31, 2020
Auxiliary request during Opposition procedure
Jan 31, 2020
Auxiliary request during Opposition procedure
Jan 31, 2020
Auxiliary request during Opposition procedure
Jan 31, 2020
Auxiliary request during Opposition procedure - 04
Jan 31, 2020
Auxiliary request during Opposition procedure - 05
Jan 31, 2020
Auxiliary request during Opposition procedure - 06
Jan 31, 2020
Letter accompanying subsequently filed items
Jan 31, 2020
Written submission in preparation to/during oral proceedings
Jan 30, 2020
(Electronic) Receipt
Jan 30, 2020
(Electronic) Receipt
Jan 30, 2020
Authorisation
Jan 30, 2020
Citation in opposition procedure - 025
Jan 30, 2020
Citation in opposition procedure - 026
Jan 30, 2020
Letter accompanying subsequently filed items
Jan 30, 2020
Letter accompanying subsequently filed items
Jan 30, 2020
Written submission in preparation to/during oral proceedings
Jan 30, 2020
Written submission in preparation to/during oral proceedings
Apr 8, 2019
Advice of delivery
Apr 1, 2019
Advice of delivery
Apr 1, 2019
Cover sheet for fax transmission
Mar 26, 2019
Communication about missing advice of delivery
Mar 5, 2019
Advice of delivery
Feb 26, 2019
(Electronic) Receipt
Feb 26, 2019
Advice of delivery
Feb 26, 2019
Letter accompanying subsequently filed items
Feb 22, 2019
Acknowledgement of a document
Feb 22, 2019
Acknowledgement of a document
Feb 22, 2019
Information concerning oral proceedings
Feb 22, 2019
Summons to attend oral proceedings
Feb 22, 2019
Summons to attend oral proceedings
Feb 21, 2019
Notification concerning the date of oral proceedings
Feb 21, 2019
Notification concerning the date of oral proceedings
Feb 13, 2019
Advice of delivery
Feb 12, 2019
Brief communication - Opposition proceedings
Feb 6, 2019
(Electronic) Receipt
Feb 6, 2019
Letter accompanying subsequently filed items
Feb 6, 2019
Oral proceedings: Request for postponement
Jan 31, 2019
Advice of delivery
Jan 18, 2019
Advice of delivery
Jan 9, 2019
(Electronic) Receipt
Jan 9, 2019
Advice of delivery
Jan 9, 2019
Letter accompanying subsequently filed items
Jan 3, 2019
Acknowledgement of a document
Jan 3, 2019
Acknowledgement of a document
Jan 3, 2019
Annex to the communication - opposition
Jan 3, 2019
Information concerning oral proceedings
Jan 3, 2019
Scanned annex to a communication - opposition procedure
Jan 3, 2019
Summons to attend oral proceedings
Jan 3, 2019
Summons to attend oral proceedings
Dec 20, 2018
Communication of amended entries concerning the representative
Dec 14, 2018
Submission concerning change of proprietor's representative
Dec 13, 2018
Submission concerning change of proprietor's representative
Nov 8, 2018
Brief communication - Opposition proceedings
Nov 8, 2018
Communication of amended entries
Oct 31, 2018
Request for change of opponent's representative
Oct 4, 2018
Communication of amended entries concerning the representative
Aug 29, 2018
(Electronic) Receipt
Aug 29, 2018
General authorisation
Aug 29, 2018
Letter accompanying subsequently filed items
Aug 29, 2018
Submission concerning change of proprietor's representative
Aug 29, 2018
Submission concerning representation
Aug 22, 2018
Brief communication - Opposition proceedings
Aug 13, 2018
(Electronic) Receipt
Aug 13, 2018
Auxiliary request during Opposition procedure
Aug 13, 2018
Auxiliary request during Opposition procedure
Aug 13, 2018
Auxiliary request during Opposition procedure
Aug 13, 2018
Auxiliary request during Opposition procedure
Aug 13, 2018
Auxiliary request during Opposition procedure - 01
Aug 13, 2018
Auxiliary request during Opposition procedure - 02
Aug 13, 2018
Auxiliary request during Opposition procedure - 03
Aug 13, 2018
Auxiliary request during Opposition procedure - 04
Aug 13, 2018
Citation in opposition procedure - 022
Aug 13, 2018
Citation in opposition procedure - 023
Aug 13, 2018
Citation in opposition procedure - 024
Aug 13, 2018
Letter accompanying subsequently filed items
Aug 13, 2018
Reply of the patent proprietor to the notice(s) of opposition
Apr 3, 2018
Communication of a notice of opposition and request to file observations
Apr 3, 2018
Notice of further oppositions to opponent(s)
Mar 23, 2018
Communication of a notice of opposition - first information to patent proprietor
Mar 14, 2018
(Electronic) Receipt
Mar 14, 2018
(Electronic) Receipt
Mar 14, 2018
(Electronic) Receipt
Mar 14, 2018
Citation in opposition procedure - 001
Mar 14, 2018
Citation in opposition procedure - 002
Mar 14, 2018
Citation in opposition procedure - 003
Mar 14, 2018
Citation in opposition procedure - 004
Mar 14, 2018
Citation in opposition procedure - 005
Mar 14, 2018
Citation in opposition procedure - 006
Mar 14, 2018
Citation in opposition procedure - 007
Mar 14, 2018
Citation in opposition procedure - 008
Mar 14, 2018
Citation in opposition procedure - 009
Mar 14, 2018
Citation in opposition procedure - 010
Mar 14, 2018
Citation in opposition procedure - 011
Mar 14, 2018
Citation in opposition procedure - 012
Mar 14, 2018
Citation in opposition procedure - 013
Mar 14, 2018
Citation in opposition procedure - 014
Mar 14, 2018
Citation in opposition procedure - 015
Mar 14, 2018
Citation in opposition procedure - 016
Mar 14, 2018
Citation in opposition procedure - 017
Mar 14, 2018
Citation in opposition procedure - 018
Mar 14, 2018
Citation in opposition procedure - 019
Mar 14, 2018
Citation in opposition procedure - 020
Mar 14, 2018
Citation in opposition procedure - 021
Mar 14, 2018
Letter accompanying subsequently filed items
Mar 14, 2018
Letter accompanying subsequently filed items
Mar 14, 2018
Letter regarding the opposition procedure (no time limit)
Mar 14, 2018
Notice of opposition
Mar 14, 2018
Notice of opposition
Jun 14, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 18, 2017
Decision to grant a European patent
May 15, 2017
Communication regarding the forthcoming grant
May 4, 2017
(Electronic) Receipt
May 4, 2017
Filing of the translations of the claims
May 4, 2017
French translation of claims
May 4, 2017
German translation of the claims
May 4, 2017
Letter accompanying subsequently filed items
Feb 21, 2017
Bibliographic data of the European patent application
Feb 21, 2017
Communication about intention to grant a European patent
Feb 21, 2017
Intention to grant (signatures)
Feb 21, 2017
Text intended for grant (clean copy)
Feb 21, 2017
Text intended for grant (version for approval)
Jun 14, 2016
(Electronic) Receipt
Jun 14, 2016
Abstract
Jun 14, 2016
Abstract
Jun 14, 2016
Amended claims with annotations
Jun 14, 2016
Amended description with annotations
Jun 14, 2016
Claims
Jun 14, 2016
Description
Jun 14, 2016
Letter accompanying subsequently filed items
Jun 14, 2016
Reply to communication from the Examining Division
Apr 8, 2016
Grant of extension of time limit (examination procedure)
Apr 5, 2016
(Electronic) Receipt
Apr 5, 2016
Letter accompanying subsequently filed items
Apr 5, 2016
Request for extension of time limit to communication from the Examining Division
Dec 11, 2015
Annex to the communication
Dec 11, 2015
Communication from the Examining Division
Dec 3, 2015
Examination started
Apr 1, 2015
(Electronic) Receipt
Apr 1, 2015
Amended claims filed after receipt of (European) search report
Apr 1, 2015
Amended claims with annotations
Apr 1, 2015
Amendments received before examination
Apr 1, 2015
Letter accompanying subsequently filed items
Sep 26, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Sep 9, 2014
Communication regarding the transmission of the European search report
Sep 9, 2014
European search opinion
Sep 9, 2014
Supplementary European search report
Aug 29, 2014
Search started
Mar 18, 2013
Letter which had not been notified
Mar 13, 2013
Notification on forthcoming publication of bibliographic data
Feb 4, 2013
Letter which had not been notified
Jan 23, 2013
Communication regarding possible amendment of the application/payment of claims fee
Jan 21, 2013
Communication to designated inventor
Jan 21, 2013
Communication to designated inventor
Jan 21, 2013
Communication to designated inventor
Jan 21, 2013
Communication to designated inventor
Jan 21, 2013
Communication to designated inventor
Dec 13, 2012
Copy of the international preliminary report on patentability
Oct 15, 2012
(Electronic) Receipt
Oct 15, 2012
Request for entry into the European phase
Oct 8, 2012
Information on entry into European phase
Dec 22, 2011
Priority document (electronically transmitted)
Dec 1, 2011
Copy of the international search report
Dec 1, 2011
Published international application - A1

EP2575847

F HOFFMANN LA ROCHE

Application Number: EP11787363A
Filing Date: May 25, 2011
Status: Patent Maintained As Amended; Mar 25, 2022
Publication Date: Apr 27, 2022
External Links: Slate, Register , Google Patents

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Methods Of Purifying Polypeptides

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Dossier Documents

EP2575847