Use Of Branched Alcohols And Alkoxylates Thereof As Secondary Collectors

Patent No. EP3194077 (titled "Use Of Branched Alcohols And Alkoxylates Thereof As Secondary Collectors") was filed by Akzo Nobel on Sep 15, 2015. The application was issued on Aug 12, 2020.

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
BASF	May 12, 2021	MAIWALD

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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Nov 27, 2025
Annex to the communication - opposition
Nov 27, 2025
Information concerning oral proceedings
Nov 27, 2025
Scanned annex to a communication - opposition procedure
Nov 27, 2025
Summons to attend oral proceedings
Nov 27, 2025
Summons to attend oral proceedings
May 21, 2025
Decision of the Board of Appeal
May 21, 2025
Decision of the Board of Appeal
May 21, 2025
F3032 Notification(s) of the decision
May 21, 2025
F3032 Notification(s) of the decision
May 16, 2025
F3303.16 Change of composition of the Board (T)
Apr 17, 2025
F3345 Forwarding of submissions to parties
Apr 11, 2025
(Electronic) Receipt
Apr 11, 2025
Letter accompanying subsequently filed items
Apr 11, 2025
Letter relating to Appeal Procedure
Mar 18, 2025
F3013 Oral Proceedings: Forwarding minutes
Mar 18, 2025
F3013 Oral Proceedings: Forwarding minutes
Mar 18, 2025
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Mar 18, 2025
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Dec 12, 2024
F3004 Communication of the Registry
Dec 12, 2024
F3004 Communication of the Registry
Dec 4, 2024
F3345 Forwarding of submissions to parties
Dec 4, 2024
F3345 Forwarding of submissions to parties
Dec 3, 2024
F3345 Forwarding of submissions to parties
Nov 29, 2024
(Electronic) Receipt
Nov 29, 2024
Letter accompanying subsequently filed items
Nov 29, 2024
Letter dealing with oral proceedings during the appeal procedure
Nov 28, 2024
(Electronic) Receipt
Nov 28, 2024
(Electronic) Receipt
Nov 28, 2024
Letter accompanying subsequently filed items
Nov 28, 2024
Letter accompanying subsequently filed items
Nov 28, 2024
Letter dealing with oral proceedings during the appeal procedure
Nov 28, 2024
Letter relating to Appeal Procedure
Oct 28, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 28, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 10, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Sep 10, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Sep 5, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Aug 9, 2024
F3022 Oral proceedings: change of board composition
Aug 9, 2024
F3022 Oral proceedings: change of board composition
Aug 6, 2024
F3303.16 Change of composition of the Board (T)
Jul 30, 2024
F3345 Forwarding of submissions to parties
Jul 25, 2024
(Electronic) Receipt
Jul 25, 2024
Annexes (other than cited documents) regarding appeal procedure
Jul 25, 2024
Oral proceedings: Request for postponement
Jul 25, 2024
Written submission in preparation to/during oral proceedings
Jun 27, 2024
F3011.2 Oral Proceedings: Summons VICO
Jun 27, 2024
F3011.2 Oral Proceedings: Summons VICO
Jun 24, 2024
F3010 Oral proceedings: order for summons
Jun 24, 2024
F3303.16 Change of composition of the Board (T)
Oct 31, 2023
F3345 Forwarding of submissions to parties
Oct 25, 2023
(Electronic) Receipt
Oct 25, 2023
Letter accompanying subsequently filed items
Oct 25, 2023
Reply to appeal
Jun 16, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 13, 2023
(Electronic) Receipt
Jun 13, 2023
Amended claims with annotations
Jun 13, 2023
Amended claims with annotations
Jun 13, 2023
Amended claims with annotations
Jun 13, 2023
Amended claims with annotations
Jun 13, 2023
Amended claims with annotations
Jun 13, 2023
Amended claims with annotations
Jun 13, 2023
Amended claims with annotations
Jun 13, 2023
Amended claims with annotations
Jun 13, 2023
Amended claims with annotations
Jun 13, 2023
Amended claims with annotations
Jun 13, 2023
Annex to the communication - opposition
Jun 13, 2023
Auxiliary request during appeals procedure - 01
Jun 13, 2023
Auxiliary request during appeals procedure - 02
Jun 13, 2023
Auxiliary request during appeals procedure - 03
Jun 13, 2023
Auxiliary request during appeals procedure - 04
Jun 13, 2023
Auxiliary request during appeals procedure - 05
Jun 13, 2023
Auxiliary request during appeals procedure - 06
Jun 13, 2023
Auxiliary request during appeals procedure - 07
Jun 13, 2023
Auxiliary request during appeals procedure - 08
Jun 13, 2023
Auxiliary request during appeals procedure - 09
Jun 13, 2023
Auxiliary request during appeals procedure - 10
Jun 13, 2023
Brief communication - Opposition proceedings
Jun 13, 2023
Brief communication - Opposition proceedings
Jun 13, 2023
Letter accompanying subsequently filed items
Jun 13, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 13, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 13, 2023
Provision of a copy of the minutes - opposition procedure
Jun 13, 2023
Provision of a copy of the minutes - opposition procedure
Jun 13, 2023
Scanned annex to a communication - opposition procedure
Jun 13, 2023
Statement of grounds of appeal
May 23, 2023
Brief communication - Opposition proceedings
May 23, 2023
Brief communication - Opposition proceedings
May 12, 2023
(Electronic) Receipt
May 12, 2023
Letter accompanying subsequently filed items
May 12, 2023
Letter regarding the opposition procedure (no time limit)
May 9, 2023
Composition of the board (T)
Apr 28, 2023
F3204 Communication of the file number to the parties
Apr 28, 2023
F3204 Communication of the file number to the parties
Apr 21, 2023
(Electronic) Receipt
Apr 21, 2023
Letter accompanying subsequently filed items
Apr 21, 2023
Notice of appeal
Apr 18, 2023
(Electronic) Receipt
Apr 18, 2023
Letter accompanying subsequently filed items
Apr 18, 2023
Letter regarding the opposition procedure (no time limit)
Apr 17, 2023
Annex to the communication - opposition
Apr 17, 2023
Decision revoking the European patent
Apr 17, 2023
Decision revoking the European patent
Apr 17, 2023
Grounds for the decision (Annex) - opposition
Apr 17, 2023
Means of redress
Apr 17, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 17, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 17, 2023
Provision of a copy of the minutes - opposition procedure
Apr 17, 2023
Provision of a copy of the minutes - opposition procedure
Apr 17, 2023
Scanned annex to a communication - opposition procedure
Apr 17, 2023
Transmittal of decision / summons - opposition
Apr 17, 2023
Transmittal of decision / summons - opposition
Apr 13, 2023
Decision of the Opposition Division and instruction
Mar 23, 2023
Information about the result of oral proceedings
Jan 30, 2023
Brief communication - Opposition proceedings
Jan 30, 2023
Brief communication - Opposition proceedings
Jan 26, 2023
Brief communication - Opposition proceedings
Jan 23, 2023
(Electronic) Receipt
Jan 23, 2023
(Electronic) Receipt
Jan 23, 2023
Auxiliary request during Opposition procedure
Jan 23, 2023
Auxiliary request during Opposition procedure
Jan 23, 2023
Auxiliary request during Opposition procedure
Jan 23, 2023
Auxiliary request during Opposition procedure
Jan 23, 2023
Auxiliary request during Opposition procedure
Jan 23, 2023
Auxiliary request during Opposition procedure
Jan 23, 2023
Auxiliary request during Opposition procedure
Jan 23, 2023
Auxiliary request during Opposition procedure - 01
Jan 23, 2023
Auxiliary request during Opposition procedure - 02
Jan 23, 2023
Auxiliary request during Opposition procedure - 03
Jan 23, 2023
Auxiliary request during Opposition procedure - 04
Jan 23, 2023
Auxiliary request during Opposition procedure - 05
Jan 23, 2023
Auxiliary request during Opposition procedure - 06
Jan 23, 2023
Auxiliary request during Opposition procedure - 07
Jan 23, 2023
Citation in opposition procedure - 015
Jan 23, 2023
Citation in opposition procedure - 016
Jan 23, 2023
Citation in opposition procedure - 017
Jan 23, 2023
Citation in opposition procedure - 018
Jan 23, 2023
Consolidated list of cited opposition documents
Jan 23, 2023
Letter accompanying subsequently filed items
Jan 23, 2023
Letter accompanying subsequently filed items
Jan 23, 2023
Written submission in preparation to/during oral proceedings
Jan 23, 2023
Written submission in preparation to/during oral proceedings
Jan 18, 2023
(Electronic) Receipt
Jan 18, 2023
Letter accompanying subsequently filed items
Jan 18, 2023
Written submission in preparation to/during oral proceedings
Jan 13, 2023
Notification concerning the date of oral proceedings
Jan 13, 2023
Notification concerning the date of oral proceedings
Jan 9, 2023
Brief communication - Opposition proceedings
Jan 3, 2023
Communication of amended entries
Dec 19, 2022
Letter accompanying subsequently filed items
Dec 19, 2022
Request for change of opponent's representative
Oct 27, 2022
Brief communication - Opposition proceedings
Oct 24, 2022
Communication of amended entries
Oct 13, 2022
Request concerning representative opponent
Jun 30, 2022
Advice of delivery
Jun 27, 2022
Annex to the communication - opposition
Jun 27, 2022
Information concerning oral proceedings
Jun 27, 2022
Summons to attend oral proceedings
Jun 27, 2022
Summons to attend oral proceedings
Jun 27, 2022
Transmittal of decision / summons - opposition
Jun 27, 2022
Transmittal of decision / summons - opposition
Feb 2, 2022
Brief communication - Opposition proceedings
Jan 27, 2022
(Electronic) Receipt
Jan 27, 2022
Letter accompanying subsequently filed items
Jan 27, 2022
Letter regarding the opposition procedure (no time limit)
Jan 11, 2022
Brief communication - Opposition proceedings
Dec 23, 2021
(Electronic) Receipt
Dec 23, 2021
Citation in opposition procedure - 014
Dec 23, 2021
Letter accompanying subsequently filed items
Dec 23, 2021
Reply from the opponent to submission of proprietor
Oct 5, 2021
Brief communication - Opposition proceedings
Sep 24, 2021
(Electronic) Receipt
Sep 24, 2021
Letter accompanying subsequently filed items
Sep 24, 2021
Reply of the patent proprietor to the notice(s) of opposition
May 26, 2021
Communication of a notice of opposition and request to file observations
May 26, 2021
Notice of further oppositions to opponent(s)
May 18, 2021
Communication of a notice of opposition - first information to patent proprietor
May 12, 2021
(Electronic) Receipt
May 12, 2021
Citation in opposition procedure - 001
May 12, 2021
Citation in opposition procedure - 002
May 12, 2021
Citation in opposition procedure - 003
May 12, 2021
Citation in opposition procedure - 004
May 12, 2021
Citation in opposition procedure - 005
May 12, 2021
Citation in opposition procedure - 006
May 12, 2021
Citation in opposition procedure - 007
May 12, 2021
Citation in opposition procedure - 008
May 12, 2021
Citation in opposition procedure - 008
May 12, 2021
Citation in opposition procedure - 009
May 12, 2021
Citation in opposition procedure - 010
May 12, 2021
Citation in opposition procedure - 011
May 12, 2021
Citation in opposition procedure - 012
May 12, 2021
Citation in opposition procedure - 013
May 12, 2021
International publication (Pamphlet)
May 12, 2021
Notice of opposition
May 12, 2021
Notice of opposition
Aug 24, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 16, 2020
Decision to grant a European patent
Jul 6, 2020
(Electronic) Receipt
Jul 6, 2020
Filing of the translations of the claims
Jul 6, 2020
French translation of claims
Jul 6, 2020
German translation of the claims
Mar 5, 2020
Bibliographic data of the European patent application
Mar 5, 2020
Communication about intention to grant a European patent
Mar 5, 2020
Intention to grant (signatures)
Mar 5, 2020
Text intended for grant (clean copy)
Mar 5, 2020
Text intended for grant (version for approval)
Sep 6, 2019
Submission concerning representation
Aug 8, 2019
Letter accompanying subsequently filed items
Aug 8, 2019
Miscellaneous requests concerning client data
Aug 1, 2019
Communication of amended entries concerning the representative
Jul 17, 2019
Communication of the registration of a transfer or change of name and/or address
Jul 10, 2019
Annexes in respect of a client data request
Jul 10, 2019
Annexes in respect of a client data request
Jul 10, 2019
Letter accompanying subsequently filed items
Jul 10, 2019
Submission concerning change of applicant's name
Jul 5, 2019
(Electronic) Receipt
Jul 5, 2019
Amended description with annotations
Jul 5, 2019
Description
Jul 5, 2019
Letter accompanying subsequently filed items
Jul 5, 2019
Reply to communication from the Examining Division
Mar 28, 2019
Annex to the communication
Mar 28, 2019
Communication from the Examining Division
Mar 18, 2019
Examination started
Mar 2, 2018
Communication of amended entries concerning the representative
Feb 21, 2018
Submission concerning change of applicant's representative
Jun 28, 2017
Notification on forthcoming publication of bibliographic data
Apr 25, 2017
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Apr 21, 2017
Communication to designated inventor
Apr 21, 2017
Communication to designated inventor
Apr 21, 2017
Communication to designated inventor
Apr 21, 2017
Communication to designated inventor
Apr 18, 2017
Priority search results copy provided by EPO
Mar 29, 2017
(Electronic) Receipt
Mar 29, 2017
Request for entry into the European phase
Mar 28, 2017
Annexes to the international preliminary examination report
Mar 28, 2017
Copy of the international preliminary examination report
Jan 27, 2017
Information on entry into European phase
Dec 23, 2016
Annex to International preliminary examination report
Dec 23, 2016
International preliminary examination report
Dec 23, 2016
International preliminary examination report - free text sheet
Dec 23, 2016
International preliminary examination report - points I-VIII
Dec 23, 2016
Transmittal of International Preliminary Examination Report
Oct 11, 2016
PCT(IPEA): Amended sheet - claims
Oct 11, 2016
PCT(IPEA): Amended sheet - claims
Oct 11, 2016
Reply to communication PCT/IPEA/408
Oct 11, 2016
Reply to communication PCT/IPEA/408
Oct 10, 2016
Annex
Oct 10, 2016
PCT(IPEA): Amended sheet - claims
Oct 10, 2016
PCT(IPEA): Amended sheet - claims
Oct 10, 2016
Reply to communication PCT/IPEA/408
Aug 30, 2016
(Electronic) Receipt
Aug 30, 2016
Incoming letter related to PCT RO
Aug 30, 2016
Incoming letter related to PCT RO
Aug 24, 2016
Free text
Aug 11, 2016
Notification of defects in the demand
Aug 4, 2016
Written opinion
Aug 4, 2016
Written opinion - free text sheet
Aug 4, 2016
Written opinion - points I-VIII
Jul 19, 2016
Notification of election of EPO
Jul 12, 2016
Amendments of documents (Article 19 PCT) (without attachments)
Jul 12, 2016
Notification of defects in the demand
Jul 12, 2016
Notification of defects in the demand
Jul 5, 2016
Notification of receipt of demand
Jun 30, 2016
(Electronic) Receipt
Jun 30, 2016
PCT demand form
Jun 30, 2016
Payment of fees and costs
Jun 30, 2016
Reply to International Search Opinion
Apr 12, 2016
Priority document (electronically transmitted)
Mar 24, 2016
Copy of the international search report
Mar 24, 2016
Published international application - A1
Feb 18, 2016
Notification of the recording of a change
Nov 25, 2015
Written opinion of the ISA, boxes No. I to VIII
Nov 25, 2015
Written opinion of the ISA, cover sheet
Nov 25, 2015
Written opinion of the ISA, supplemental box
Sep 23, 2015
Notification of the international application number and of the international filing date
Sep 15, 2015
(Electronic) Receipt
Sep 15, 2015
Abstract
Sep 15, 2015
Claims
Sep 15, 2015
Description
Sep 15, 2015
Document concerning fees and payments
Sep 15, 2015
Drawings
Sep 15, 2015
Electronic request for grant of an International application
Sep 15, 2015
Incoming communication concerning PCT Direct
Sep 15, 2015
Priority document (RO-procedure)

EP3194077

AKZO NOBEL

Application Number: EP15763009A
Filing Date: Sep 15, 2015
Status: Granted And Under Opposition; Jul 10, 2020
Publication Date: Aug 12, 2020
External Links: Slate, Register , Google Patents

IP Verse

Use Of Branched Alcohols And Alkoxylates Thereof As Secondary Collectors

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Dossier Documents

EP3194077