Process For The Preparation Of Novolac Alkylphenol Resins

Patent No. EP3426502 (titled "Process For The Preparation Of Novolac Alkylphenol Resins") was filed by Sumitomo Bakelite Europe on Mar 9, 2017. The application was issued on Dec 11, 2019.

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
SI GROUP	Sep 10, 2020	DEHNS

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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Jul 9, 2025
Decision of the Board of Appeal
Jul 9, 2025
F3032 Notification(s) of the decision
Jul 9, 2025
F3032 Notification(s) of the decision
Jun 25, 2025
F3004 Communication of the Registry
Jun 25, 2025
F3004 Communication of the Registry
Jun 18, 2025
(Electronic) Receipt
Jun 18, 2025
General enquiry
Jun 18, 2025
Letter accompanying subsequently filed items
Apr 11, 2025
F3013 Oral Proceedings: Forwarding minutes
Apr 11, 2025
F3013 Oral Proceedings: Forwarding minutes
Apr 11, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Mar 17, 2025
F3345 Forwarding of submissions to parties
Mar 14, 2025
(Electronic) Receipt
Mar 14, 2025
Letter accompanying subsequently filed items
Mar 14, 2025
Letter dealing with oral proceedings during the appeal procedure
Mar 14, 2025
Request for interpreters during oral proceedings
Mar 3, 2025
F3345 Forwarding of submissions to parties
Feb 28, 2025
(Electronic) Receipt
Feb 28, 2025
Citation in appeal procedure - 014
Feb 28, 2025
Letter dealing with oral proceedings during the appeal procedure
Feb 28, 2025
Letter dealing with oral proceedings during the appeal procedure
Feb 11, 2025
F3345 Forwarding of submissions to parties
Feb 10, 2025
(Electronic) Receipt
Feb 10, 2025
Letter accompanying subsequently filed items
Feb 10, 2025
Request for interpreters during oral proceedings
Dec 20, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 20, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 28, 2024
F3345 Forwarding of submissions to parties
Aug 22, 2024
(Electronic) Receipt
Aug 22, 2024
Letter accompanying subsequently filed items
Aug 22, 2024
Letter dealing with oral proceedings during the appeal procedure
Aug 22, 2024
Letter dealing with oral proceedings during the appeal procedure
Aug 1, 2024
F3345 Forwarding of submissions to parties
Aug 1, 2024
Oral proceedings: change of venue
Aug 1, 2024
Oral proceedings: change of venue
Jul 29, 2024
(Electronic) Receipt
Jul 29, 2024
Letter accompanying subsequently filed items
Jul 29, 2024
Letter dealing with oral proceedings during the appeal procedure
Jul 3, 2024
F3345 Forwarding of submissions to parties
Jul 1, 2024
(Electronic) Receipt
Jul 1, 2024
Letter accompanying subsequently filed items
Jul 1, 2024
Letter dealing with oral proceedings during the appeal procedure
Jun 26, 2024
F3004 Communication of the Registry
Jun 26, 2024
F3004 Communication of the Registry
Jun 26, 2024
F3011.1 Oral Proceedings: summons
Jun 26, 2024
F3011.1 Oral Proceedings: summons
Jun 25, 2024
F3010 Oral proceedings: order for summons
Jun 14, 2024
Composition of the board (T)
Sep 14, 2023
F3345 Forwarding of submissions to parties
Sep 11, 2023
(Electronic) Receipt
Sep 11, 2023
Amended claims with annotations
Sep 11, 2023
Amended claims with annotations
Sep 11, 2023
Auxiliary request during appeals procedure - 01
Sep 11, 2023
Auxiliary request during appeals procedure - 02
Sep 11, 2023
Letter accompanying subsequently filed items
Sep 11, 2023
Main request during appeals procedure
Sep 11, 2023
Reply to appeal
May 4, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 2, 2023
(Electronic) Receipt
May 2, 2023
Letter accompanying subsequently filed items
May 2, 2023
Statement of grounds of appeal
May 2, 2023
Statement of grounds of appeal
Mar 22, 2023
F3204 Communication of the file number to the parties
Mar 22, 2023
F3204 Communication of the file number to the parties
Mar 1, 2023
(Electronic) Receipt
Mar 1, 2023
Letter accompanying subsequently filed items
Mar 1, 2023
Notice of appeal
Jan 10, 2023
(Electronic) Receipt
Jan 10, 2023
Advice of delivery
Jan 10, 2023
Letter accompanying subsequently filed items
Dec 30, 2022
Advice of delivery
Dec 23, 2022
Annex to the communication - opposition
Dec 23, 2022
Decision of the Opposition Division and instruction
Dec 23, 2022
Druckexemplar in opposition procedure
Dec 23, 2022
Grounds for the decision (Annex) - opposition
Dec 23, 2022
Interlocutory decision in opposition proceedings
Dec 23, 2022
Interlocutory decision in opposition proceedings
Dec 23, 2022
Means of redress
Dec 23, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 23, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 23, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 23, 2022
Provision of a copy of the minutes - opposition procedure
Dec 23, 2022
Provision of a copy of the minutes - opposition procedure
Dec 23, 2022
Scanned annex to a communication - opposition procedure
Dec 23, 2022
Scanned annex to a communication - opposition procedure
Dec 23, 2022
Scanned annex to a communication - opposition procedure
Dec 23, 2022
Scanned annex to a communication - opposition procedure
Dec 23, 2022
Scanned annex to a communication - opposition procedure
Dec 23, 2022
Scanned annex to a communication - opposition procedure
Dec 23, 2022
Scanned annex to a communication - opposition procedure
Dec 23, 2022
Scanned annex to a communication - opposition procedure
Dec 23, 2022
Scanned annex to a communication - opposition procedure
Dec 23, 2022
Scanned annex to a communication - opposition procedure
Dec 23, 2022
Transmittal of decision / summons - opposition
Dec 23, 2022
Transmittal of decision / summons - opposition
Oct 11, 2022
Information about the result of oral proceedings
Sep 23, 2022
Brief communication - Opposition proceedings
Sep 15, 2022
(Electronic) Receipt
Sep 15, 2022
Letter accompanying subsequently filed items
Sep 15, 2022
Written submission in preparation to/during oral proceedings
Aug 16, 2022
Brief communication - Opposition proceedings
Aug 16, 2022
Brief communication - Opposition proceedings
Aug 10, 2022
(Electronic) Receipt
Aug 10, 2022
(Electronic) Receipt
Aug 10, 2022
Any annexes (other than citation) to an opposition letter
Aug 10, 2022
Auxiliary request during Opposition procedure
Aug 10, 2022
Auxiliary request during Opposition procedure - 02
Aug 10, 2022
Letter accompanying subsequently filed items
Aug 10, 2022
Letter accompanying subsequently filed items
Aug 10, 2022
Written submission in preparation to/during oral proceedings
Aug 10, 2022
Written submission in preparation to/during oral proceedings
Jun 21, 2022
Notification concerning the date of oral proceedings
Jun 21, 2022
Notification concerning the date of oral proceedings
Nov 16, 2021
(Electronic) Receipt
Nov 16, 2021
Advice of delivery
Nov 16, 2021
Letter accompanying subsequently filed items
Nov 15, 2021
(Electronic) Receipt
Nov 15, 2021
Advice of delivery
Nov 15, 2021
Letter accompanying subsequently filed items
Nov 12, 2021
Annex to the communication - opposition
Nov 12, 2021
Information concerning oral proceedings
Nov 12, 2021
Summons to attend oral proceedings
Nov 12, 2021
Summons to attend oral proceedings
Nov 12, 2021
Transmittal of decision / summons - opposition
Nov 12, 2021
Transmittal of decision / summons - opposition
May 7, 2021
Brief communication - Opposition proceedings
May 7, 2021
Brief communication - Opposition proceedings
Apr 30, 2021
(Electronic) Receipt
Apr 30, 2021
(Electronic) Receipt
Apr 30, 2021
Citation in opposition procedure - 009
Apr 30, 2021
Citation in opposition procedure - 010
Apr 30, 2021
Citation in opposition procedure - 011
Apr 30, 2021
Consolidated list of cited opposition documents
Apr 30, 2021
Letter accompanying subsequently filed items
Apr 30, 2021
Letter accompanying subsequently filed items
Apr 30, 2021
Letter regarding the opposition procedure (no time limit)
Apr 30, 2021
Letter regarding the opposition procedure (no time limit)
Apr 30, 2021
Letter regarding the opposition procedure (no time limit)
Feb 1, 2021
Brief communication - Opposition proceedings
Jan 26, 2021
(Electronic) Receipt
Jan 26, 2021
Auxiliary request during Opposition procedure
Jan 26, 2021
Auxiliary request during Opposition procedure - 01
Jan 26, 2021
Citation in opposition procedure - 012
Jan 26, 2021
Letter accompanying subsequently filed items
Jan 26, 2021
Main request during Opposition procedure
Jan 26, 2021
Main request during Opposition procedure
Jan 26, 2021
Reply of the patent proprietor to the notice(s) of opposition
Sep 25, 2020
Communication of a notice of opposition and request to file observations
Sep 25, 2020
Notice of further oppositions to opponent(s)
Sep 16, 2020
Communication of a notice of opposition - first information to patent proprietor
Sep 10, 2020
(Electronic) Receipt
Sep 10, 2020
Citation in opposition procedure - 001
Sep 10, 2020
Citation in opposition procedure - 001
Sep 10, 2020
Citation in opposition procedure - 002
Sep 10, 2020
Citation in opposition procedure - 002
Sep 10, 2020
Citation in opposition procedure - 003
Sep 10, 2020
Citation in opposition procedure - 004
Sep 10, 2020
Citation in opposition procedure - 005
Sep 10, 2020
Citation in opposition procedure - 006
Sep 10, 2020
Citation in opposition procedure - 007
Sep 10, 2020
Citation in opposition procedure - 008
Sep 10, 2020
International publication (Pamphlet)
Sep 10, 2020
Notice of opposition
Sep 10, 2020
Notice of opposition
Sep 10, 2020
Notice of opposition
Dec 20, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 14, 2019
Decision to grant a European patent
Oct 30, 2019
Filing of the translations of the claims
Oct 30, 2019
French translation of claims
Oct 30, 2019
German translation of the claims
Jul 5, 2019
Bibliographic data of the European patent application
Jul 5, 2019
Communication about intention to grant a European patent
Jul 5, 2019
Intention to grant (signatures)
Jul 5, 2019
Text intended for grant (clean copy)
Jul 5, 2019
Text intended for grant (version for approval)
Jun 14, 2019
Examination started
Apr 4, 2019
Matter concerning the application
Dec 19, 2018
Notification on forthcoming publication of bibliographic data
Oct 23, 2018
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Oct 19, 2018
Communication to designated inventor
Oct 19, 2018
Communication to designated inventor
Oct 19, 2018
Communication to designated inventor
Oct 16, 2018
Priority search results copy provided by EPO
Oct 8, 2018
(Electronic) Receipt
Oct 8, 2018
Request for entry into the European phase
Sep 26, 2018
Copy of the international preliminary report on patentability
Jul 18, 2018
Information on entry into European phase
Oct 2, 2017
Priority document (electronically transmitted)
Sep 14, 2017
Copy of the international search report
Sep 14, 2017
Published international application - A1
Jul 11, 2017
Written opinion of the ISA, boxes No. I to VIII
Jul 11, 2017
Written opinion of the ISA, cover sheet
Jul 11, 2017
Written opinion of the ISA, supplemental box
Jun 22, 2017
Incoming letter related to PCT RO
Mar 23, 2017
Payment of fees and costs
Mar 22, 2017
Communication in cases for which no other form is available
Mar 22, 2017
Notification of the international application number and of the international filing date
Mar 9, 2017
Abstract
Mar 9, 2017
Claims
Mar 9, 2017
Description
Mar 9, 2017
Drawings
Mar 9, 2017
Incoming communication concerning PCT Direct
Mar 9, 2017
Request for grant of an International application
Mar 9, 2017
Substitute sheet (R26) Request

EP3426502

SUMITOMO BAKELITE EUROPE

Application Number: EP17712026A
Filing Date: Mar 9, 2017
Status: Revoked; Jul 15, 2025
Publication Date: Dec 11, 2019
External Links: Slate, Register , Google Patents

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Process For The Preparation Of Novolac Alkylphenol Resins

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Dossier Documents

EP3426502