Cellulose Ethers With Temporary Cross-Links, A Process To Make Them, And Their Use

Patent No. EP3362484 (titled "Cellulose Ethers With Temporary Cross-Links, A Process To Make Them, And Their Use") was filed by Akzo Nobel on Oct 13, 2016. The application was issued on Sep 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
TYLOSE & COKG	Jun 10, 2020	PLATE

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 27, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 27, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jul 22, 2021
Termination of the opposition proceedings with revocation of patent
Apr 15, 2021
Advice of delivery
Apr 12, 2021
Decision of the Opposition Division and instruction
Apr 12, 2021
Decision revoking the European patent
Apr 12, 2021
Grounds for the decision (Annex) - opposition
Apr 12, 2021
Internal form - Opposition/addressees
Apr 12, 2021
Means of redress
Apr 12, 2021
Transmittal of decision / summons - opposition
Apr 12, 2021
Transmittal of decision / summons - opposition
Jun 24, 2020
Communication of a notice of opposition and request to file observations
Jun 24, 2020
Notice of further oppositions to opponent(s)
Jun 16, 2020
Communication of a notice of opposition - first information to patent proprietor
Jun 10, 2020
(Electronic) Receipt
Jun 10, 2020
Citation in opposition procedure - 001
Jun 10, 2020
Citation in opposition procedure - 002
Jun 10, 2020
Citation in opposition procedure - 003
Jun 10, 2020
Citation in opposition procedure - 004
Jun 10, 2020
Citation in opposition procedure - 005
Jun 10, 2020
Consolidated list of cited opposition documents
Jun 10, 2020
International publication (Pamphlet)
Jun 10, 2020
Notice of opposition
Jun 10, 2020
Notice of opposition
Sep 23, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 6, 2019
Submission concerning representation
Aug 16, 2019
Decision to grant a European patent
Aug 8, 2019
Letter accompanying subsequently filed items
Aug 8, 2019
Miscellaneous requests concerning client data
Aug 6, 2019
Bibliographic data of the European patent application
Aug 6, 2019
Information about intention to grant a patent
Aug 6, 2019
Intention to grant (signatures)
Aug 6, 2019
Text intended for grant (clean copy)
Aug 6, 2019
Text intended for grant (version for approval)
Aug 1, 2019
Communication of amended entries concerning the representative
Jul 17, 2019
(Electronic) Receipt
Jul 17, 2019
Claims
Jul 17, 2019
Communication of the registration of a transfer or change of name and/or address
Jul 17, 2019
French translation of claims
Jul 17, 2019
German translation of the claims
Jul 17, 2019
Letter accompanying subsequently filed items
Jul 17, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
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
Mar 29, 2019
Bibliographic data of the European patent application
Mar 29, 2019
Communication about intention to grant a European patent
Mar 29, 2019
Intention to grant (signatures)
Mar 29, 2019
Text intended for grant (clean copy)
Mar 29, 2019
Text intended for grant (version for approval)
Feb 14, 2019
(Electronic) Receipt
Feb 14, 2019
Letter accompanying subsequently filed items
Feb 14, 2019
Reply to communication from the Examining Division
Feb 11, 2019
Annex to the communication
Feb 11, 2019
Communication from the Examining Division
Feb 5, 2019
Examination started
Aug 8, 2018
Communication to designated inventor
Jul 25, 2018
Notification on forthcoming publication of bibliographic data
Jul 18, 2018
(Electronic) Receipt
Jul 18, 2018
Letter accompanying subsequently filed items
Jul 18, 2018
Letter concerning the inventor
Jun 26, 2018
Invitation to indicate correct address of inventor
Jun 18, 2018
Letter which had not been notified
May 30, 2018
(Electronic) Receipt
May 30, 2018
Letter accompanying subsequently filed items
May 30, 2018
Reply to Written Opinion prepared by the EPO
May 25, 2018
Communication regarding comments on written opinion/amendment of application/payment of claims fee
May 23, 2018
Communication to designated inventor
May 17, 2018
Priority search results copy provided by EPO
May 4, 2018
(Electronic) Receipt
May 4, 2018
Request for entry into the European phase
Apr 30, 2018
Copy of the international preliminary report on patentability
Apr 4, 2018
Notification of the recording of a change
Apr 4, 2018
Notification of the recording of a change
Feb 23, 2018
Information on entry into European phase
May 9, 2017
Priority document (electronically transmitted)
Apr 20, 2017
Copy of the international search report
Apr 20, 2017
Published international application - A1
Dec 22, 2016
ISR: cited documents
Dec 21, 2016
Written opinion of the ISA, boxes No. I to VIII
Dec 21, 2016
Written opinion of the ISA, cover sheet
Dec 21, 2016
Written opinion of the ISA, supplemental box
Oct 27, 2016
Notification of receipt of Search copy
Oct 19, 2016
Notification of the international application number and of the international filing date
Oct 17, 2016
Request form for international application (copy for ISA/EP)
Oct 13, 2016
(Electronic) Receipt
Oct 13, 2016
Abstract
Oct 13, 2016
Claims
Oct 13, 2016
Description
Oct 13, 2016
Document concerning fees and payments
Oct 13, 2016
Electronic request for grant of an International application
Oct 13, 2016
Incoming communication concerning PCT Direct
Oct 13, 2016
Priority document (RO-procedure)

EP3362484

AKZO NOBEL

Application Number: EP16781425A
Filing Date: Oct 13, 2016
Status: Revoked; Jul 23, 2021
Publication Date: Sep 11, 2019
External Links: Slate, Register , Google Patents

IP Verse

Cellulose Ethers With Temporary Cross-Links, A Process To Make Them, And Their Use

Patent Summary

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Patent Oppositions

Dossier Documents

EP3362484