Lid Configuration For A Bioreactor

Patent No. EP3728550 (titled "Lid Configuration For A Bioreactor") was filed by Applikon Biotechnology on Aug 14, 2019. The application was issued on Feb 17, 2021.

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
SARTORIUS STEDIM BIOTECH	Nov 17, 2021	PRINZ & PARTNER MBB

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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Jan 29, 2026
Decision to maintain the European patent in amended form
Jan 29, 2026
Decision to maintain the European patent in amended form
Jan 21, 2026
(Electronic) Receipt
Jan 21, 2026
French translation of claims
Jan 21, 2026
German translation of the claims
Jan 21, 2026
Letter accompanying subsequently filed items
Nov 7, 2025
Communication of bibliographic data
Nov 7, 2025
Communication to opponent concerning maintenance
Nov 7, 2025
Communication with request to file translations
Nov 4, 2025
Maintenance of the patent with the documents specified in the final decision
Oct 20, 2025
Decision of the Board of Appeal
Oct 20, 2025
F3032 Notification(s) of the decision
Oct 20, 2025
F3032 Notification(s) of the decision
Aug 1, 2025
Description submitted during oral proceedings
Aug 1, 2025
F3013 Oral Proceedings: Forwarding minutes
Aug 1, 2025
F3013 Oral Proceedings: Forwarding minutes
Aug 1, 2025
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Jul 30, 2025
Amended description with annotations
Jul 21, 2025
F3345 Forwarding of submissions to parties
Jul 17, 2025
(Electronic) Receipt
Jul 17, 2025
Letter accompanying subsequently filed items
Jul 2, 2025
F3345 Forwarding of submissions to parties
Jun 27, 2025
(Electronic) Receipt
Jun 27, 2025
Letter accompanying subsequently filed items
Jun 27, 2025
Letter dealing with oral proceedings during the appeal procedure
Jun 17, 2025
F3345 Forwarding of submissions to parties
Jun 16, 2025
(Electronic) Receipt
Jun 16, 2025
Letter accompanying subsequently filed items
Jun 16, 2025
Request for interpreters during oral proceedings
May 22, 2025
F3345 Forwarding of submissions to parties
May 19, 2025
(Electronic) Receipt
May 19, 2025
Citation in appeal procedure - 029
May 19, 2025
Citation in appeal procedure - 030
May 19, 2025
Letter accompanying subsequently filed items
May 19, 2025
Letter dealing with oral proceedings during the appeal procedure
Jul 15, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 15, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 24, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Jun 24, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Jun 19, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Jun 11, 2024
F3022 Oral proceedings: change of board composition
Jun 11, 2024
F3022 Oral proceedings: change of board composition
Jun 10, 2024
(Electronic) Receipt
Jun 10, 2024
Letter accompanying subsequently filed items
Jun 10, 2024
Oral proceedings: Request for postponement
Jun 6, 2024
F3056 Communication: Change of Board due to the technical nature of the appeal
Jun 6, 2024
F3056 Communication: Change of Board due to the technical nature of the appeal
Jun 3, 2024
F3011.1 Oral Proceedings: summons
Jun 3, 2024
F3011.1 Oral Proceedings: summons
Jun 3, 2024
F3303.16 Change of composition of the Board (T)
Jun 3, 2024
F3313 Order: change of Board due to the technical aspects of the appeal
May 28, 2024
F3010 Oral proceedings: order for summons
May 28, 2024
F3303.16 Change of composition of the Board (T)
May 22, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
May 22, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
May 16, 2024
F3014 Oral Proceedings: Order cancelling/postponing
May 8, 2024
F3345 Forwarding of submissions to parties
May 8, 2024
F3345 Forwarding of submissions to parties
May 7, 2024
Oral proceedings: Request for postponement
May 6, 2024
F3011.1 Oral Proceedings: summons
May 6, 2024
F3011.1 Oral Proceedings: summons
May 6, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 6, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 3, 2024
(Electronic) Receipt
May 3, 2024
Letter accompanying subsequently filed items
May 3, 2024
Letter dealing with oral proceedings during the appeal procedure
Apr 30, 2024
Composition of the board (T)
Apr 30, 2024
F3010 Oral proceedings: order for summons
Mar 22, 2024
F3345 Forwarding of submissions to parties
Mar 18, 2024
(Electronic) Receipt
Mar 18, 2024
Letter accompanying subsequently filed items
Mar 18, 2024
Letter relating to Appeal Procedure
Feb 14, 2024
F3345 Forwarding of submissions to parties
Feb 8, 2024
(Electronic) Receipt
Feb 8, 2024
Letter accompanying subsequently filed items
Feb 8, 2024
Letter relating to Appeal Procedure
Jan 29, 2024
F3345 Forwarding of submissions to parties
Jan 24, 2024
(Electronic) Receipt
Jan 24, 2024
Letter accompanying subsequently filed items
Jan 24, 2024
Letter relating to Appeal Procedure
Nov 24, 2023
F3345 Forwarding of submissions to parties
Nov 24, 2023
F3345 Forwarding of submissions to parties
Nov 21, 2023
(Electronic) Receipt
Nov 21, 2023
(Electronic) Receipt
Nov 21, 2023
Citation in appeal procedure - 027
Nov 21, 2023
Citation in appeal procedure - 028
Nov 21, 2023
Citation in appeal procedure - 029
Nov 21, 2023
Consolidated list of documents cited in appeal procedure
Nov 21, 2023
Letter accompanying subsequently filed items
Nov 21, 2023
Letter accompanying subsequently filed items
Nov 21, 2023
Reply to appeal
Nov 21, 2023
Reply to appeal
Jul 21, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 21, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 7, 2023
(Electronic) Receipt
Jul 7, 2023
Annexes (other than cited documents) regarding appeal procedure
Jul 7, 2023
Citation in appeal procedure - 026
Jul 7, 2023
Letter accompanying subsequently filed items
Jul 7, 2023
Statement of grounds of appeal
Jun 26, 2023
(Electronic) Receipt
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Auxiliary request during appeals procedure - 01
Jun 26, 2023
Auxiliary request during appeals procedure - 02
Jun 26, 2023
Auxiliary request during appeals procedure - 03
Jun 26, 2023
Auxiliary request during appeals procedure - 04
Jun 26, 2023
Auxiliary request during appeals procedure - 05
Jun 26, 2023
Auxiliary request during appeals procedure - 06
Jun 26, 2023
Auxiliary request during appeals procedure - 07
Jun 26, 2023
Auxiliary request during appeals procedure - 08
Jun 26, 2023
Auxiliary request during appeals procedure - 09
Jun 26, 2023
Auxiliary request during appeals procedure - 10
Jun 26, 2023
Auxiliary request during appeals procedure - 11
Jun 26, 2023
Auxiliary request during appeals procedure - 12
Jun 26, 2023
Auxiliary request during appeals procedure - 13
Jun 26, 2023
Auxiliary request during appeals procedure - 14
Jun 26, 2023
Auxiliary request during appeals procedure - 15
Jun 26, 2023
Citation in appeal procedure - 025
Jun 26, 2023
Letter accompanying subsequently filed items
Jun 26, 2023
Statement of grounds of appeal
May 10, 2023
F3204 Communication of the file number to the parties
May 10, 2023
F3204 Communication of the file number to the parties
May 4, 2023
(Electronic) Receipt
May 4, 2023
Letter accompanying subsequently filed items
May 4, 2023
Notice of appeal
Apr 5, 2023
F3204 Communication of the file number to the parties
Apr 5, 2023
F3204 Communication of the file number to the parties
Mar 29, 2023
(Electronic) Receipt
Mar 29, 2023
Letter accompanying subsequently filed items
Mar 29, 2023
Notice of appeal
Feb 27, 2023
Advice of delivery
Feb 27, 2023
Annex to the communication - opposition
Feb 27, 2023
Decision of the Opposition Division and instruction
Feb 27, 2023
Druckexemplar in opposition procedure
Feb 27, 2023
Grounds for the decision (Annex) - opposition
Feb 27, 2023
Interlocutory decision in opposition proceedings
Feb 27, 2023
Interlocutory decision in opposition proceedings
Feb 27, 2023
Means of redress
Feb 27, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 27, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 27, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 27, 2023
Provision of a copy of the minutes - opposition procedure
Feb 27, 2023
Provision of a copy of the minutes - opposition procedure
Feb 27, 2023
Scanned annex to a communication - opposition procedure
Feb 27, 2023
Scanned annex to a communication - opposition procedure
Feb 27, 2023
Scanned annex to a communication - opposition procedure
Feb 27, 2023
Scanned annex to a communication - opposition procedure
Feb 27, 2023
Scanned annex to a communication - opposition procedure
Feb 27, 2023
Scanned annex to a communication - opposition procedure
Feb 27, 2023
Transmittal of decision / summons - opposition
Feb 27, 2023
Transmittal of decision / summons - opposition
Jan 31, 2023
Information about the result of oral proceedings
Jan 2, 2023
Brief communication - Opposition proceedings
Dec 21, 2022
(Electronic) Receipt
Dec 21, 2022
Citation in opposition procedure - 022
Dec 21, 2022
Citation in opposition procedure - 023
Dec 21, 2022
Citation in opposition procedure - 024
Dec 21, 2022
Consolidated list of cited opposition documents
Dec 21, 2022
Letter accompanying subsequently filed items
Dec 21, 2022
Written submission in preparation to/during oral proceedings
Dec 5, 2022
Brief communication - Opposition proceedings
Nov 30, 2022
Brief communication - Opposition proceedings
Nov 29, 2022
(Electronic) Receipt
Nov 29, 2022
Auxiliary request during Opposition procedure
Nov 29, 2022
Auxiliary request during Opposition procedure
Nov 29, 2022
Auxiliary request during Opposition procedure
Nov 29, 2022
Auxiliary request during Opposition procedure - 01
Nov 29, 2022
Auxiliary request during Opposition procedure - 02
Nov 29, 2022
Auxiliary request during Opposition procedure - 03
Nov 29, 2022
Letter accompanying subsequently filed items
Nov 29, 2022
Written submission in preparation to/during oral proceedings
Nov 28, 2022
Notification concerning the date of oral proceedings
Nov 28, 2022
Notification concerning the date of oral proceedings
Nov 24, 2022
(Electronic) Receipt
Nov 24, 2022
(Electronic) Receipt
Nov 24, 2022
Citation in opposition procedure - 017
Nov 24, 2022
Citation in opposition procedure - 018
Nov 24, 2022
Citation in opposition procedure - 019
Nov 24, 2022
Citation in opposition procedure - 020
Nov 24, 2022
Citation in opposition procedure - 021
Nov 24, 2022
Letter accompanying subsequently filed items
Nov 24, 2022
Letter accompanying subsequently filed items
Nov 24, 2022
Request for interpreters during oral proceedings
Nov 24, 2022
Written submission in preparation to/during oral proceedings
May 25, 2022
Advice of delivery
May 23, 2022
Advice of delivery
May 23, 2022
Annex to the communication - opposition
May 23, 2022
Information concerning oral proceedings
May 23, 2022
Summons to attend oral proceedings
May 23, 2022
Summons to attend oral proceedings
May 23, 2022
Transmittal of decision / summons - opposition
May 23, 2022
Transmittal of decision / summons - opposition
Apr 11, 2022
Brief communication - Opposition proceedings
Apr 6, 2022
(Electronic) Receipt
Apr 6, 2022
Auxiliary request during Opposition procedure
Apr 6, 2022
Auxiliary request during Opposition procedure
Apr 6, 2022
Auxiliary request during Opposition procedure
Apr 6, 2022
Auxiliary request during Opposition procedure
Apr 6, 2022
Auxiliary request during Opposition procedure
Apr 6, 2022
Auxiliary request during Opposition procedure
Apr 6, 2022
Auxiliary request during Opposition procedure
Apr 6, 2022
Auxiliary request during Opposition procedure
Apr 6, 2022
Auxiliary request during Opposition procedure
Apr 6, 2022
Auxiliary request during Opposition procedure
Apr 6, 2022
Auxiliary request during Opposition procedure
Apr 6, 2022
Auxiliary request during Opposition procedure - 01
Apr 6, 2022
Auxiliary request during Opposition procedure - 02
Apr 6, 2022
Auxiliary request during Opposition procedure - 03
Apr 6, 2022
Auxiliary request during Opposition procedure - 04
Apr 6, 2022
Auxiliary request during Opposition procedure - 05
Apr 6, 2022
Auxiliary request during Opposition procedure - 06
Apr 6, 2022
Auxiliary request during Opposition procedure - 07
Apr 6, 2022
Auxiliary request during Opposition procedure - 08
Apr 6, 2022
Auxiliary request during Opposition procedure - 09
Apr 6, 2022
Auxiliary request during Opposition procedure - 10
Apr 6, 2022
Auxiliary request during Opposition procedure - 11
Apr 6, 2022
Letter accompanying subsequently filed items
Apr 6, 2022
Reply of the patent proprietor to the notice(s) of opposition
Dec 1, 2021
Communication of a notice of opposition and request to file observations
Dec 1, 2021
Notice of further oppositions to opponent(s)
Nov 22, 2021
Communication of a notice of opposition - first information to patent proprietor
Nov 17, 2021
(Electronic) Receipt
Nov 17, 2021
Any annexes (other than citation) to an opposition letter
Nov 17, 2021
Citation in opposition procedure - 001
Nov 17, 2021
Citation in opposition procedure - 002
Nov 17, 2021
Citation in opposition procedure - 003
Nov 17, 2021
Citation in opposition procedure - 004
Nov 17, 2021
Citation in opposition procedure - 005
Nov 17, 2021
Citation in opposition procedure - 006
Nov 17, 2021
Citation in opposition procedure - 007
Nov 17, 2021
Citation in opposition procedure - 008
Nov 17, 2021
Citation in opposition procedure - 008
Nov 17, 2021
Citation in opposition procedure - 009
Nov 17, 2021
Citation in opposition procedure - 010
Nov 17, 2021
Citation in opposition procedure - 011
Nov 17, 2021
Citation in opposition procedure - 012
Nov 17, 2021
Citation in opposition procedure - 013
Nov 17, 2021
Citation in opposition procedure - 014
Nov 17, 2021
Citation in opposition procedure - 015
Nov 17, 2021
Citation in opposition procedure - 015
Nov 17, 2021
Citation in opposition procedure - 016
Nov 17, 2021
Citation in opposition procedure - 016
Nov 17, 2021
Notice of opposition
Nov 17, 2021
Notice of opposition
Mar 1, 2021
Copy of the international preliminary report on patentability
Mar 1, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 21, 2021
Decision to grant a European patent
Dec 22, 2020
(Electronic) Receipt
Dec 22, 2020
Filing of the translations of the claims
Dec 22, 2020
French translation of claims
Dec 22, 2020
German translation of the claims
Nov 24, 2020
Bibliographic data of the European patent application
Nov 24, 2020
Communication about intention to grant a European patent
Nov 24, 2020
Intention to grant (signatures)
Nov 24, 2020
Text intended for grant (clean copy)
Nov 24, 2020
Text intended for grant (version for approval)
Nov 11, 2020
Examination started
Sep 30, 2020
Notification on forthcoming publication of bibliographic data
Aug 7, 2020
Communication to designated inventor
Aug 7, 2020
Communication to designated inventor
Aug 6, 2020
Confirmation of effective date of early entry
Aug 3, 2020
Priority search results copy provided by EPO
Jul 20, 2020
(Electronic) Receipt
Jul 20, 2020
Amended description filed after receipt of (European) search report
Jul 20, 2020
Amended description with annotations
Jul 20, 2020
Request for entry into the European phase
Mar 10, 2020
Priority document (electronically transmitted)
Feb 20, 2020
Copy of the international search report
Feb 20, 2020
Published international application - A1
Nov 7, 2019
Copy of the international preliminary report on patentability
Nov 7, 2019
ISR: cited documents
Nov 7, 2019
Written opinion of the ISA, boxes No. I to VIII
Nov 7, 2019
Written opinion of the ISA, cover sheet
Nov 7, 2019
Written opinion of the ISA, supplemental box
Sep 2, 2019
Notification of receipt of Search copy
Aug 22, 2019
Fee calculation sheet for an international application
Aug 22, 2019
Notification of the International Application Number and of the International Filing Date (copy for ISA/EP)
Aug 22, 2019
Request form for international application (copy for ISA/EP)
Aug 14, 2019
Abstract
Aug 14, 2019
Claims
Aug 14, 2019
Description
Aug 14, 2019
Drawings
Aug 14, 2019
Incoming communication concerning PCT Direct

EP3728550

APPLIKON BIOTECHNOLOGY

Application Number: EP19756029A
Filing Date: Aug 14, 2019
Status: Granted And Under Opposition; Jan 15, 2021
Publication Date: Feb 17, 2021
External Links: Slate, Register , Google Patents

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Lid Configuration For A Bioreactor

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Dossier Documents

EP3728550