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Cell Culture Compositions With Antioxidants And Methods For Polypeptide Production

Patent No. EP2970875 (titled "Cell Culture Compositions With Antioxidants And Methods For Polypeptide Production") was filed by F Hoffmann LA Roche on Mar 14, 2014. The application was issued on Nov 26, 2025.

Patent Summary

Patent Family

Patent Oppositions (4)

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
MAIWALD PATENT UND RECHTSANWALTSGESELLSCHAFT	Jan 14, 2021	NEUEFEIND
MAIWALD	Jan 14, 2021	MAIWALD
HOFFMAN EITLE	Jan 13, 2021	-
HOFFMANN EITLE	Jan 13, 2021	HOFFMANN EITLE

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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Oct 30, 2025
Decision to maintain the European patent in amended form
Oct 30, 2025
Decision to maintain the European patent in amended form
Oct 30, 2025
Decision to maintain the European patent in amended form
Oct 22, 2025
(Electronic) Receipt
Oct 22, 2025
Filing of the translation of the amended claims
Oct 22, 2025
French translation of claims
Oct 22, 2025
German translation of the claims
Oct 22, 2025
Letter accompanying subsequently filed items
Aug 19, 2025
Communication of bibliographic data
Aug 19, 2025
Communication to opponent concerning maintenance
Aug 19, 2025
Communication to opponent concerning maintenance
Aug 19, 2025
Communication with request to file translations
Aug 19, 2025
Druckexemplar in opposition procedure
Aug 13, 2025
Maintenance of the patent with the documents specified in the final decision
Aug 5, 2025
Decision of the Board of Appeal
Aug 5, 2025
F3032 Notification(s) of the decision
Mar 14, 2025
F3013 Oral Proceedings: Forwarding minutes
Mar 14, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Mar 6, 2025
F3345 Forwarding of submissions to parties
Mar 5, 2025
(Electronic) Receipt
Mar 5, 2025
Amended claims with annotations
Mar 5, 2025
Amended claims with annotations
Mar 5, 2025
Amended claims with annotations
Mar 5, 2025
Auxiliary request during appeals procedure - 01
Mar 5, 2025
Auxiliary request during appeals procedure - 02
Mar 5, 2025
Letter accompanying subsequently filed items
Mar 5, 2025
Letter dealing with oral proceedings during the appeal procedure
Mar 5, 2025
Main request during appeals procedure
Mar 4, 2025
F3345 Forwarding of submissions to parties
Mar 4, 2025
Oral proceedings: change of venue
Mar 3, 2025
(Electronic) Receipt
Mar 3, 2025
Letter dealing with oral proceedings during the appeal procedure
Feb 27, 2025
F3345 Forwarding of submissions to parties
Feb 26, 2025
(Electronic) Receipt
Feb 26, 2025
Letter accompanying subsequently filed items
Feb 26, 2025
Letter dealing with oral proceedings during the appeal procedure
Feb 25, 2025
F3345 Forwarding of submissions to parties
Feb 21, 2025
(Electronic) Receipt
Feb 21, 2025
Letter accompanying subsequently filed items
Feb 21, 2025
Letter dealing with oral proceedings during the appeal procedure
Feb 12, 2025
F3345 Forwarding of submissions to parties
Feb 11, 2025
(Electronic) Receipt
Feb 11, 2025
Letter accompanying subsequently filed items
Feb 11, 2025
Request for interpreters during oral proceedings
Feb 5, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 27, 2024
F3345 Forwarding of submissions to parties
Nov 25, 2024
(Electronic) Receipt
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Amended claims with annotations
Nov 25, 2024
Auxiliary request during appeals procedure - 09
Nov 25, 2024
Auxiliary request during appeals procedure - 10
Nov 25, 2024
Auxiliary request during appeals procedure - 11
Nov 25, 2024
Auxiliary request during appeals procedure - 12
Nov 25, 2024
Auxiliary request during appeals procedure - 13
Nov 25, 2024
Auxiliary request during appeals procedure - 14
Nov 25, 2024
Auxiliary request during appeals procedure - 15
Nov 25, 2024
Auxiliary request during appeals procedure - 16
Nov 25, 2024
Auxiliary request during appeals procedure - 17
Nov 25, 2024
Letter accompanying subsequently filed items
Nov 25, 2024
Letter dealing with oral proceedings during the appeal procedure
Nov 5, 2024
F3345 Forwarding of submissions to parties
Oct 31, 2024
(Electronic) Receipt
Oct 31, 2024
Letter accompanying subsequently filed items
Oct 31, 2024
Letter dealing with oral proceedings during the appeal procedure
Apr 5, 2024
F3011.1 Oral Proceedings: summons
Apr 5, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 2, 2024
F3010 Oral proceedings: order for summons
Jul 18, 2023
F3345 Forwarding of submissions to parties
Jul 14, 2023
(Electronic) Receipt
Jul 14, 2023
Amended claims with annotations
Jul 14, 2023
Amended claims with annotations
Jul 14, 2023
Amended claims with annotations
Jul 14, 2023
Amended claims with annotations
Jul 14, 2023
Amended claims with annotations
Jul 14, 2023
Amended claims with annotations
Jul 14, 2023
Amended claims with annotations
Jul 14, 2023
Amended claims with annotations
Jul 14, 2023
Amended claims with annotations
Jul 14, 2023
Auxiliary request during appeals procedure - 01
Jul 14, 2023
Auxiliary request during appeals procedure - 02
Jul 14, 2023
Auxiliary request during appeals procedure - 03
Jul 14, 2023
Auxiliary request during appeals procedure - 04
Jul 14, 2023
Auxiliary request during appeals procedure - 05
Jul 14, 2023
Auxiliary request during appeals procedure - 06
Jul 14, 2023
Auxiliary request during appeals procedure - 07
Jul 14, 2023
Auxiliary request during appeals procedure - 08
Jul 14, 2023
Letter accompanying subsequently filed items
Jul 14, 2023
Main request during appeals procedure
Jul 14, 2023
Reply to appeal
Jun 21, 2023
F3303.16 Change of composition of the Board (T)
Jun 20, 2023
F3056 Communication: Change of Board due to the technical nature of the appeal
Mar 7, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 7, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 2, 2023
Composition of the board (T)
Mar 2, 2023
Consolidated list of documents cited in appeal procedure
Feb 28, 2023
(Electronic) Receipt
Feb 28, 2023
Citation in appeal procedure - 028
Feb 28, 2023
Citation in appeal procedure - 029
Feb 28, 2023
Citation in appeal procedure - 030
Feb 28, 2023
Letter accompanying subsequently filed items
Feb 28, 2023
Statement of grounds of appeal
Jan 23, 2023
F3204 Communication of the file number to the parties
Jan 23, 2023
F3204 Communication of the file number to the parties
Jan 23, 2023
F3204 Communication of the file number to the parties
Jan 17, 2023
(Electronic) Receipt
Jan 17, 2023
Letter accompanying subsequently filed items
Jan 17, 2023
Notice of appeal
Jan 12, 2023
Communication of amended entries
Dec 19, 2022
Letter accompanying subsequently filed items
Dec 19, 2022
Request for change of opponent's representative
Nov 17, 2022
Advice of delivery
Nov 15, 2022
(Electronic) Receipt
Nov 15, 2022
Advice of delivery
Nov 15, 2022
Advice of delivery
Nov 15, 2022
Letter accompanying subsequently filed items
Nov 11, 2022
Annex to the communication - opposition
Nov 11, 2022
Decision of the Opposition Division and instruction
Nov 11, 2022
Druckexemplar in opposition procedure
Nov 11, 2022
Grounds for the decision (Annex) - opposition
Nov 11, 2022
Interlocutory decision in opposition proceedings
Nov 11, 2022
Interlocutory decision in opposition proceedings
Nov 11, 2022
Interlocutory decision in opposition proceedings
Nov 11, 2022
Means of redress
Nov 11, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 11, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 11, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 11, 2022
Provision of a copy of the minutes - opposition procedure
Nov 11, 2022
Provision of a copy of the minutes - opposition procedure
Nov 11, 2022
Provision of a copy of the minutes - opposition procedure
Nov 11, 2022
Scanned annex to a communication - opposition procedure
Nov 11, 2022
Scanned annex to a communication - opposition procedure
Nov 11, 2022
Transmittal of decision / summons - opposition
Nov 11, 2022
Transmittal of decision / summons - opposition
Nov 11, 2022
Transmittal of decision / summons - opposition
Nov 3, 2022
Communication of amended entries
Nov 3, 2022
Communication of amended entries
Oct 21, 2022
Annexes in respect of a client data request
Oct 21, 2022
Letter accompanying subsequently filed items
Oct 21, 2022
Request concerning representative opponent
Oct 13, 2022
Brief communication - Opposition proceedings
Oct 13, 2022
Brief communication - Opposition proceedings
Oct 13, 2022
Request concerning representative opponent
Oct 12, 2022
Information about the result of oral proceedings
Oct 10, 2022
(Electronic) Receipt
Oct 10, 2022
Letter accompanying subsequently filed items
Oct 10, 2022
Written submission in preparation to/during oral proceedings
Aug 18, 2022
Brief communication - Opposition proceedings
Aug 18, 2022
Brief communication - Opposition proceedings
Aug 18, 2022
Brief communication - Opposition proceedings
Aug 18, 2022
Brief communication - Opposition proceedings
Aug 18, 2022
Brief communication - Opposition proceedings
Aug 12, 2022
(Electronic) Receipt
Aug 12, 2022
Auxiliary request during Opposition procedure
Aug 12, 2022
Auxiliary request during Opposition procedure - 08
Aug 12, 2022
Citation in opposition procedure - 027
Aug 12, 2022
Consolidated list of cited opposition documents
Aug 12, 2022
Letter accompanying subsequently filed items
Aug 12, 2022
Request for interpreters during oral proceedings
Aug 12, 2022
Written submission in preparation to/during oral proceedings
Aug 11, 2022
(Electronic) Receipt
Aug 11, 2022
Letter accompanying subsequently filed items
Aug 11, 2022
Request for interpreters during oral proceedings
Apr 28, 2022
Notification concerning the date of oral proceedings
Apr 28, 2022
Notification concerning the date of oral proceedings
Apr 28, 2022
Notification concerning the date of oral proceedings
Mar 11, 2022
(Electronic) Receipt
Mar 11, 2022
Advice of delivery
Mar 11, 2022
Letter accompanying subsequently filed items
Mar 10, 2022
Advice of delivery
Mar 9, 2022
Advice of delivery
Mar 7, 2022
Annex to the communication - opposition
Mar 7, 2022
Information concerning oral proceedings
Mar 7, 2022
Summons to attend oral proceedings
Mar 7, 2022
Summons to attend oral proceedings
Mar 7, 2022
Summons to attend oral proceedings
Mar 7, 2022
Transmittal of decision / summons - opposition
Mar 7, 2022
Transmittal of decision / summons - opposition
Mar 7, 2022
Transmittal of decision / summons - opposition
Jun 17, 2021
Brief communication - Opposition proceedings
Jun 17, 2021
Brief communication - Opposition proceedings
Jun 11, 2021
(Electronic) Receipt
Jun 11, 2021
Auxiliary request during Opposition procedure
Jun 11, 2021
Auxiliary request during Opposition procedure
Jun 11, 2021
Auxiliary request during Opposition procedure
Jun 11, 2021
Auxiliary request during Opposition procedure
Jun 11, 2021
Auxiliary request during Opposition procedure
Jun 11, 2021
Auxiliary request during Opposition procedure
Jun 11, 2021
Auxiliary request during Opposition procedure
Jun 11, 2021
Auxiliary request during Opposition procedure - 01
Jun 11, 2021
Auxiliary request during Opposition procedure - 02
Jun 11, 2021
Auxiliary request during Opposition procedure - 03
Jun 11, 2021
Auxiliary request during Opposition procedure - 04
Jun 11, 2021
Auxiliary request during Opposition procedure - 05
Jun 11, 2021
Auxiliary request during Opposition procedure - 06
Jun 11, 2021
Auxiliary request during Opposition procedure - 07
Jun 11, 2021
Citation in opposition procedure - 025
Jun 11, 2021
Citation in opposition procedure - 026
Jun 11, 2021
Letter accompanying subsequently filed items
Jun 11, 2021
Main request during Opposition procedure
Jun 11, 2021
Main request during Opposition procedure
Jun 11, 2021
Reply of the patent proprietor to the notice(s) of opposition
Apr 14, 2021
Brief communication - Opposition proceedings
Apr 14, 2021
Brief communication - Opposition proceedings
Apr 12, 2021
Communication concerning the filing of a power of attorney
Apr 12, 2021
Communication of amended entries concerning the representative
Apr 6, 2021
(Electronic) Receipt
Apr 6, 2021
General authorisation
Apr 6, 2021
Letter accompanying subsequently filed items
Apr 6, 2021
Submission concerning change of applicant's representative
Feb 1, 2021
Communication of a notice of opposition and request to file observations
Feb 1, 2021
Notice of further oppositions to opponent(s)
Feb 1, 2021
Notice of further oppositions to opponent(s)
Jan 20, 2021
Communication of a notice of opposition - first information to patent proprietor
Jan 14, 2021
(Electronic) Receipt
Jan 14, 2021
Citation in opposition procedure
Jan 14, 2021
Citation in opposition procedure
Jan 14, 2021
Citation in opposition procedure - 014
Jan 14, 2021
Citation in opposition procedure - 015
Jan 14, 2021
Citation in opposition procedure - 016
Jan 14, 2021
Citation in opposition procedure - 017
Jan 14, 2021
Citation in opposition procedure - 018
Jan 14, 2021
Citation in opposition procedure - 019
Jan 14, 2021
Citation in opposition procedure - 020
Jan 14, 2021
Citation in opposition procedure - 021
Jan 14, 2021
Citation in opposition procedure - 022
Jan 14, 2021
Citation in opposition procedure - 023
Jan 14, 2021
Citation in opposition procedure - 024
Jan 14, 2021
Notice of opposition
Jan 14, 2021
Notice of opposition
Jan 13, 2021
(Electronic) Receipt
Jan 13, 2021
Citation in opposition procedure - 001
Jan 13, 2021
Citation in opposition procedure - 002
Jan 13, 2021
Citation in opposition procedure - 003
Jan 13, 2021
Citation in opposition procedure - 004
Jan 13, 2021
Citation in opposition procedure - 005
Jan 13, 2021
Citation in opposition procedure - 006
Jan 13, 2021
Citation in opposition procedure - 007
Jan 13, 2021
Citation in opposition procedure - 008
Jan 13, 2021
Citation in opposition procedure - 009
Jan 13, 2021
Citation in opposition procedure - 010
Jan 13, 2021
Citation in opposition procedure - 011
Jan 13, 2021
Citation in opposition procedure - 012
Jan 13, 2021
Citation in opposition procedure - 013
Jan 13, 2021
Notice of opposition
Jan 13, 2021
Notice of opposition
Apr 27, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 19, 2020
Decision to grant a European patent
Mar 11, 2020
Communication regarding the forthcoming grant
Mar 4, 2020
(Electronic) Receipt
Mar 4, 2020
Filing of the translations of the claims
Mar 4, 2020
French translation of claims
Mar 4, 2020
German translation of the claims
Mar 4, 2020
Letter accompanying subsequently filed items
Oct 25, 2019
Bibliographic data of the European patent application
Oct 25, 2019
Brief communication to applicant/representative
Oct 25, 2019
Communication about intention to grant a European patent
Oct 25, 2019
Intention to grant (signatures)
Oct 25, 2019
Text intended for grant (clean copy)
Oct 25, 2019
Text intended for grant (version for approval)
Oct 1, 2019
(Electronic) Receipt
Oct 1, 2019
Amended claims with annotations
Oct 1, 2019
Claims
Oct 1, 2019
French translation of claims
Oct 1, 2019
German translation of the claims
Oct 1, 2019
Letter accompanying subsequently filed items
Oct 1, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
May 28, 2019
Bibliographic data of the European patent application
May 28, 2019
Communication about intention to grant a European patent
May 28, 2019
Intention to grant (signatures)
May 28, 2019
Text intended for grant (clean copy)
May 28, 2019
Text intended for grant (version for approval)
Mar 13, 2019
Decision to allow further processing
Feb 28, 2019
(Electronic) Receipt
Feb 28, 2019
Amended claims with annotations
Feb 28, 2019
Amended description with annotations
Feb 28, 2019
Claims
Feb 28, 2019
Description
Feb 28, 2019
Letter accompanying subsequently filed items
Feb 28, 2019
Request for further processing
Dec 20, 2018
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Sep 28, 2018
Grant of extension of time limit (examination procedure)
Sep 21, 2018
(Electronic) Receipt
Sep 21, 2018
Letter accompanying subsequently filed items
Sep 21, 2018
Request for extension of time limit to communication from the Examining Division
Jul 23, 2018
Grant of extension of time limit (examination procedure)
Jul 18, 2018
(Electronic) Receipt
Jul 18, 2018
Letter accompanying subsequently filed items
Jul 18, 2018
Request for extension of time limit to communication from the Examining Division
May 14, 2018
Annex to the communication
May 14, 2018
Communication from the Examining Division
Apr 27, 2018
(Electronic) Receipt
Apr 27, 2018
Amended claims with annotations
Apr 27, 2018
Claims
Apr 27, 2018
Letter accompanying subsequently filed items
Apr 27, 2018
Reply to communication from the Examining Division
Feb 28, 2018
Grant of extension of time limit (examination procedure)
Feb 22, 2018
(Electronic) Receipt
Feb 22, 2018
Letter accompanying subsequently filed items
Feb 22, 2018
Request for extension of time limit to communication from the Examining Division
Oct 18, 2017
Annex to the communication
Oct 18, 2017
Communication from the Examining Division
Feb 10, 2017
(Electronic) Receipt
Feb 10, 2017
Amended claims with annotations
Feb 10, 2017
Claims
Feb 10, 2017
Letter accompanying subsequently filed items
Feb 10, 2017
Reply to communication from the Examining Division
Dec 16, 2016
Grant of extension of time limit (examination procedure)
Dec 13, 2016
(Electronic) Receipt
Dec 13, 2016
Letter accompanying subsequently filed items
Dec 13, 2016
Request for extension of time limit to communication from the Examining Division
Aug 9, 2016
Annex to the communication
Aug 9, 2016
Communication from the Examining Division
Aug 3, 2016
Examination started
Jun 14, 2016
(Electronic) Receipt
Jun 14, 2016
Amended claims filed after receipt of (European) search report
Jun 14, 2016
Amended claims with annotations
Jun 14, 2016
Amendments received before examination
Jun 14, 2016
Letter accompanying subsequently filed items
Dec 23, 2015
Notification on forthcoming publication of bibliographic data
Dec 4, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Oct 23, 2015
Communication to designated inventor
Oct 23, 2015
Communication to designated inventor
Oct 23, 2015
Communication to designated inventor
Oct 23, 2015
Communication to designated inventor
Oct 2, 2015
Copy of the international preliminary report on patentability
Sep 9, 2015
Information regarding early processing
Aug 18, 2015
(Electronic) Receipt
Aug 18, 2015
Request for entry into the European phase
Jul 22, 2015
Information on entry into European phase
Oct 7, 2014
Priority document (electronically transmitted)
Sep 18, 2014
Copy of the international search report
Sep 18, 2014
Published international application - A1
Jul 23, 2014
Written opinion of the ISA, boxes No. I to VIII
Jul 23, 2014
Written opinion of the ISA, cover sheet
Jul 23, 2014
Written opinion of the ISA, supplemental box
Apr 28, 2014
Abstract
Apr 28, 2014
Annex
Apr 28, 2014
Annex
Apr 28, 2014
Claims
Apr 28, 2014
Description
Apr 28, 2014
Drawings

EP2970875

F HOFFMANN LA ROCHE

Application Number: EP14721668A
Filing Date: Mar 14, 2014
Status: Patent Maintained As Amended; Oct 24, 2025
Publication Date: Nov 26, 2025
External Links: Slate, Register , Google Patents