Intumescent Composition

Patent No. EP3022263 (titled "Intumescent Composition") was filed by Akzo Nobel on Jul 11, 2014. The application was issued on Jun 14, 2023.

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
RUDOLF HENSEL	Jan 26, 2018	WACHINGER
PPG INDUSTRIES	Jan 23, 2018	APPLEYARD LEES

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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May 19, 2023
Decision to maintain the European patent in amended form
May 19, 2023
Decision to maintain the European patent in amended form
May 19, 2023
Decision to maintain the European patent in amended form
May 12, 2023
Termination of the opposition proceedings with maintenance of patent
May 9, 2023
(Electronic) Receipt
May 9, 2023
Description
May 9, 2023
Druckexemplar in opposition procedure
May 9, 2023
French translation of claims
May 9, 2023
German translation of the claims
May 9, 2023
Letter accompanying subsequently filed items
May 9, 2023
Maintenance of the application
Feb 24, 2023
Communication of bibliographic data
Feb 24, 2023
Communication to opponent concerning maintenance
Feb 24, 2023
Communication to opponent concerning maintenance
Feb 24, 2023
Communication with request to file translations
Feb 21, 2023
Maintenance of the patent with the documents specified in the final decision
Jan 17, 2023
Refund of fees
Jan 16, 2023
Fax relating to Appeal procedure
Jan 13, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Jan 13, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Jan 13, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Jan 13, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jan 13, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jan 13, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jan 10, 2023
F3014 Oral Proceedings: Order cancelling/postponing
Dec 12, 2022
F3345 Forwarding of submissions to parties
Dec 12, 2022
F3345 Forwarding of submissions to parties
Dec 7, 2022
(Electronic) Receipt
Dec 7, 2022
Letter accompanying subsequently filed items
Dec 7, 2022
Withdrawal of an appeal
Nov 14, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 14, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 14, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 28, 2022
Fax relating to Appeal procedure
Mar 23, 2022
F3011.1 Oral Proceedings: summons
Mar 23, 2022
F3011.1 Oral Proceedings: summons
Mar 23, 2022
F3011.1 Oral Proceedings: summons
Mar 20, 2022
Consolidated list of documents cited in appeal procedure
Mar 20, 2022
F3010 Oral proceedings: order for summons
Jul 29, 2021
Communication of the registration of a transfer or change of name and/or address
Jul 21, 2021
Letter accompanying subsequently filed items
Jul 21, 2021
Submission concerning change of applicant's address
May 4, 2020
F3345 Forwarding of submissions to parties
May 4, 2020
F3345 Forwarding of submissions to parties
Apr 24, 2020
(Electronic) Receipt
Apr 24, 2020
Amended claims with annotations
Apr 24, 2020
Amended claims with annotations
Apr 24, 2020
Amended claims with annotations
Apr 24, 2020
Amended claims with annotations
Apr 24, 2020
Claims
Apr 24, 2020
Claims
Apr 24, 2020
Claims
Apr 24, 2020
Claims
Apr 24, 2020
Letter accompanying subsequently filed items
Apr 24, 2020
Reply to appeal
Apr 24, 2020
Reply to appeal
Jan 7, 2020
Composition of the board (T)
Dec 17, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Dec 17, 2019
F3345 Forwarding of submissions to parties
Dec 12, 2019
(Electronic) Receipt
Dec 12, 2019
Citation in appeal procedure - 024
Dec 12, 2019
Citation in appeal procedure - 025
Dec 12, 2019
Letter accompanying subsequently filed items
Dec 12, 2019
Letter relating to Appeal Procedure
Dec 12, 2019
Statement of grounds of appeal
Oct 22, 2019
F3204 Communication of the file number to the parties
Oct 22, 2019
F3204 Communication of the file number to the parties
Oct 22, 2019
F3204 Communication of the file number to the parties
Oct 14, 2019
(Electronic) Receipt
Oct 14, 2019
Letter concerning fees and payments
Oct 14, 2019
Notice of appeal
Oct 14, 2019
Notice of appeal
Aug 30, 2019
Advice of delivery
Aug 20, 2019
Advice of delivery
Aug 9, 2019
Advice of delivery
Aug 7, 2019
Advice of delivery
Aug 5, 2019
Advice of delivery
Aug 2, 2019
Acknowledgement of a document
Aug 2, 2019
Acknowledgement of a document
Aug 2, 2019
Acknowledgement of a document
Aug 2, 2019
Annex to the communication - opposition
Aug 2, 2019
Decision of the Opposition Division and instruction
Aug 2, 2019
Grounds for the decision (Annex) - opposition
Aug 2, 2019
Interlocutory decision in opposition proceedings
Aug 2, 2019
Internal form - Opposition/addressees
Aug 2, 2019
Internal form - Opposition/addressees
Aug 2, 2019
Means of redress
Aug 2, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 2, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 2, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 2, 2019
OPPODREX with handwritten amendments
Aug 2, 2019
Provision of a copy of the minutes - opposition procedure
Aug 2, 2019
Scanned annex to a communication - opposition procedure
Jul 9, 2019
Information about the result of oral proceedings
Jun 17, 2019
Brief communication - Opposition proceedings
Jun 17, 2019
Brief communication - Opposition proceedings
Jun 11, 2019
(Electronic) Receipt
Jun 11, 2019
Letter accompanying subsequently filed items
Jun 11, 2019
Oral proceedings: reply to date proposed
May 15, 2019
Brief communication - Opposition proceedings
May 15, 2019
Brief communication - Opposition proceedings
May 14, 2019
Brief communication - Opposition proceedings
May 14, 2019
Brief communication - Opposition proceedings
May 14, 2019
Brief communication - Opposition proceedings
May 14, 2019
Brief communication - Opposition proceedings
May 13, 2019
Brief communication - Opposition proceedings
May 13, 2019
Brief communication - Opposition proceedings
May 9, 2019
(Electronic) Receipt
May 9, 2019
Letter accompanying subsequently filed items
May 9, 2019
Written submission in preparation to/during oral proceedings
May 9, 2019
Written submission in preparation to/during oral proceedings
May 8, 2019
(Electronic) Receipt
May 8, 2019
Letter accompanying subsequently filed items
May 8, 2019
Written submission in preparation to/during oral proceedings
May 7, 2019
(Electronic) Receipt
May 7, 2019
Amended claims with annotations
May 7, 2019
Amended claims with annotations
May 7, 2019
Amended claims with annotations
May 7, 2019
Amended claims with annotations
May 7, 2019
Claims
May 7, 2019
Claims
May 7, 2019
Claims
May 7, 2019
Claims
May 7, 2019
Letter accompanying subsequently filed items
May 7, 2019
Written submission in preparation to/during oral proceedings
May 6, 2019
(Electronic) Receipt
May 6, 2019
Citation in opposition procedure
May 6, 2019
Citation in opposition procedure
May 6, 2019
Citation in opposition procedure
May 6, 2019
Citation in opposition procedure
May 6, 2019
Citation in opposition procedure
May 6, 2019
Citation in opposition procedure - 019
May 6, 2019
Citation in opposition procedure - 020
May 6, 2019
Citation in opposition procedure - 021
May 6, 2019
Citation in opposition procedure - 022
May 6, 2019
Citation in opposition procedure - 023
May 6, 2019
Consolidated list of cited opposition documents
May 6, 2019
Letter accompanying subsequently filed items
May 6, 2019
Written submission in preparation to/during oral proceedings
Mar 7, 2019
Brief communication - Opposition proceedings
Mar 7, 2019
Brief communication - Opposition proceedings
Mar 4, 2019
Request for interpreters during oral proceedings
Mar 1, 2019
(Electronic) Receipt
Mar 1, 2019
Letter accompanying subsequently filed items
Mar 1, 2019
Request for interpreters during oral proceedings
Mar 1, 2019
Request for interpreters during oral proceedings
Dec 24, 2018
Advice of delivery
Dec 11, 2018
Advice of delivery
Dec 7, 2018
Advice of delivery
Dec 5, 2018
Advice of delivery
Dec 3, 2018
Advice of delivery
Nov 30, 2018
Acknowledgement of a document
Nov 30, 2018
Acknowledgement of a document
Nov 30, 2018
Acknowledgement of a document
Nov 30, 2018
Notification concerning the date of oral proceedings
Nov 30, 2018
Notification concerning the date of oral proceedings
Nov 30, 2018
Notification concerning the date of oral proceedings
Nov 30, 2018
Summons to attend oral proceedings
Nov 30, 2018
Summons to attend oral proceedings
Nov 30, 2018
Summons to attend oral proceedings
Nov 20, 2018
Advice of delivery
Nov 20, 2018
Advice of delivery
Nov 20, 2018
Brief communication - Opposition proceedings
Nov 20, 2018
Brief communication - Opposition proceedings
Nov 16, 2018
Advice of delivery
Nov 15, 2018
(Electronic) Receipt
Nov 15, 2018
Advice of delivery
Nov 15, 2018
Letter accompanying subsequently filed items
Nov 15, 2018
Oral proceedings: Request for postponement
Nov 13, 2018
Acknowledgement of a document
Nov 13, 2018
Acknowledgement of a document
Nov 13, 2018
Acknowledgement of a document
Nov 13, 2018
Annex to the communication - opposition
Nov 13, 2018
Information concerning oral proceedings
Nov 13, 2018
Summons to attend oral proceedings
Nov 13, 2018
Summons to attend oral proceedings
Nov 13, 2018
Summons to attend oral proceedings
Sep 14, 2018
Brief communication - Opposition proceedings
Sep 14, 2018
Brief communication - Opposition proceedings
Sep 7, 2018
(Electronic) Receipt
Sep 7, 2018
Letter accompanying subsequently filed items
Sep 7, 2018
Letter regarding the opposition procedure (no time limit)
Sep 7, 2018
Non-patent literature cited during the opposition procedure
Jul 6, 2018
Brief communication - Opposition proceedings
Jul 6, 2018
Brief communication - Opposition proceedings
Jul 3, 2018
(Electronic) Receipt
Jul 3, 2018
Amended claims with annotations
Jul 3, 2018
Amended claims with annotations
Jul 3, 2018
Amended claims with annotations
Jul 3, 2018
Amended claims with annotations
Jul 3, 2018
Citation in opposition procedure
Jul 3, 2018
Claims
Jul 3, 2018
Claims
Jul 3, 2018
Claims
Jul 3, 2018
Claims
Jul 3, 2018
Letter accompanying subsequently filed items
Jul 3, 2018
Reply of the patent proprietor to the notice(s) of opposition
Apr 13, 2018
Brief communication - Opposition proceedings
Apr 13, 2018
Brief communication - Opposition proceedings
Apr 9, 2018
(Electronic) Receipt
Apr 9, 2018
Citation in opposition procedure
Apr 9, 2018
Citation in opposition procedure
Apr 9, 2018
Citation in opposition procedure
Apr 9, 2018
Citation in opposition procedure
Apr 9, 2018
Letter accompanying subsequently filed items
Apr 9, 2018
Letter regarding the opposition procedure (no time limit)
Apr 9, 2018
Non-patent literature cited during the opposition procedure
Apr 9, 2018
Translation of the evidence during Opposition procedure
Apr 9, 2018
Translation of the evidence during Opposition procedure
Apr 9, 2018
Translation of the evidence during Opposition procedure
Mar 5, 2018
Brief communication - Opposition proceedings
Feb 27, 2018
Letter regarding the opposition procedure (no time limit)
Feb 23, 2018
Brief communication - Opposition proceedings
Feb 22, 2018
Communication of a notice of opposition and request to file observations
Feb 22, 2018
Notice of further oppositions to opponent(s)
Feb 22, 2018
Notice of further oppositions to opponent(s)
Feb 13, 2018
Authorisation
Feb 13, 2018
Letter regarding the opposition procedure (no time limit)
Feb 1, 2018
Communication of a notice of opposition - first information to patent proprietor
Jan 29, 2018
Communication of a notice of opposition - first information to patent proprietor
Jan 26, 2018
Authorisation
Jan 26, 2018
Citation in opposition procedure - 018
Jan 26, 2018
Letter concerning fees and payments
Jan 26, 2018
Non-patent literature cited during the opposition procedure
Jan 26, 2018
Non-patent literature cited during the opposition procedure
Jan 26, 2018
Non-scannable object
Jan 26, 2018
Non-scannable object
Jan 26, 2018
Notice of opposition
Jan 26, 2018
Notice of opposition
Jan 26, 2018
Notice of opposition
Jan 26, 2018
Notice of opposition
Jan 26, 2018
Patent document cited during the opposition procedure
Jan 26, 2018
Patent document cited during the opposition procedure
Jan 23, 2018
(Electronic) Receipt
Jan 23, 2018
Citation in opposition procedure - 001
Jan 23, 2018
Citation in opposition procedure - 001
Jan 23, 2018
Non-patent literature cited during the opposition procedure
Jan 23, 2018
Non-patent literature cited during the opposition procedure
Jan 23, 2018
Non-patent literature cited during the opposition procedure
Jan 23, 2018
Notice of opposition
Jan 23, 2018
Notice of opposition
Jan 23, 2018
Patent document cited during the opposition procedure
Jan 23, 2018
Patent document cited during the opposition procedure
Jan 23, 2018
Patent document cited during the opposition procedure
Jan 23, 2018
Patent document cited during the opposition procedure
Jan 23, 2018
Patent document cited during the opposition procedure
Jan 23, 2018
Patent document cited during the opposition procedure
Jan 23, 2018
Patent document cited during the opposition procedure
Jan 23, 2018
Translation of the evidence during Opposition procedure
Jan 23, 2018
Translation of the evidence during Opposition procedure
Jan 23, 2018
Translation of the evidence during Opposition procedure
Apr 26, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 30, 2017
Decision to grant a European patent
Mar 17, 2017
(Electronic) Receipt
Mar 17, 2017
Filing of the translations of the claims
Mar 17, 2017
French translation of claims
Mar 17, 2017
German translation of the claims
Nov 17, 2016
Bibliographic data of the European patent application
Nov 17, 2016
Communication about intention to grant a European patent
Nov 17, 2016
Intention to grant (signatures)
Nov 17, 2016
Text intended for grant (clean copy)
Nov 17, 2016
Text intended for grant (version for approval)
Oct 26, 2016
Examination started
Apr 28, 2016
Notification on forthcoming publication of bibliographic data
Feb 23, 2016
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Feb 19, 2016
Communication to designated inventor
Feb 19, 2016
Communication to designated inventor
Feb 16, 2016
Priority search results copy provided by EPO
Feb 1, 2016
Copy of the international preliminary report on patentability
Jan 26, 2016
(Electronic) Receipt
Jan 26, 2016
Request for entry into the European phase
Nov 27, 2015
Information on entry into European phase
Feb 10, 2015
Priority document (electronically transmitted)
Jan 22, 2015
Copy of the international search report
Jan 22, 2015
Published international application - A1
Oct 1, 2014
Written opinion of the ISA, boxes No. I to VIII
Oct 1, 2014
Written opinion of the ISA, cover sheet
Oct 1, 2014
Written opinion of the ISA, supplemental box
Jul 11, 2014
(Electronic) Receipt
Jul 11, 2014
Abstract
Jul 11, 2014
Claims
Jul 11, 2014
Description
Jul 11, 2014
Priority document (RO-procedure)

EP3022263

AKZO NOBEL

Application Number: EP14738824A
Filing Date: Jul 11, 2014
Status: Patent Maintained As Amended; May 12, 2023
Publication Date: Jun 14, 2023
External Links: Slate, Register , Google Patents

IP Verse

Intumescent Composition

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP3022263