Process For Manufacturing Polyethylene

Patent No. EP3523334 (titled "Process For Manufacturing Polyethylene") was filed by Akzo Nobel on Sep 28, 2017. The application was issued on Nov 15, 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
ARKEMA FRANCE	May 19, 2021	BANDPAY & GREUTER

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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Oct 19, 2023
Decision to maintain the European patent in amended form
Oct 19, 2023
Decision to maintain the European patent in amended form
Oct 13, 2023
Termination of the opposition proceedings with maintenance of patent
Oct 6, 2023
(Electronic) Receipt
Oct 6, 2023
French translation of claims
Oct 6, 2023
German translation of the claims
Oct 6, 2023
Letter accompanying subsequently filed items
Aug 24, 2023
Communication of bibliographic data
Aug 24, 2023
Communication to opponent concerning maintenance
Aug 24, 2023
Communication with request to file translations
Aug 21, 2023
Maintenance of the patent with the documents specified in the final decision
Aug 7, 2023
Refund of fees
Aug 3, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Aug 3, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Aug 1, 2023
F3345 Forwarding of submissions to parties
Jul 31, 2023
Composition of the board (T)
Jul 27, 2023
(Electronic) Receipt
Jul 27, 2023
Letter accompanying subsequently filed items
Jul 27, 2023
Withdrawal of an appeal
Jun 21, 2023
F3204 Communication of the file number to the parties
Jun 21, 2023
F3204 Communication of the file number to the parties
Jun 12, 2023
(Electronic) Receipt
Jun 12, 2023
Letter accompanying subsequently filed items
Jun 12, 2023
Notice of appeal
Apr 20, 2023
Brief communication - Opposition proceedings
Apr 20, 2023
Brief communication - Opposition proceedings
Apr 18, 2023
Advice of delivery
Apr 4, 2023
Annex to the communication - opposition
Apr 4, 2023
Decision of the Opposition Division and instruction
Apr 4, 2023
Druckexemplar in opposition procedure
Apr 4, 2023
Grounds for the decision (Annex) - opposition
Apr 4, 2023
Interlocutory decision in opposition proceedings
Apr 4, 2023
Interlocutory decision in opposition proceedings
Apr 4, 2023
Means of redress
Apr 4, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 4, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 4, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 4, 2023
Provision of a copy of the minutes - opposition procedure
Apr 4, 2023
Provision of a copy of the minutes - opposition procedure
Apr 4, 2023
Scanned annex to a communication - opposition procedure
Apr 4, 2023
Scanned annex to a communication - opposition procedure
Apr 4, 2023
Transmittal of decision / summons - opposition
Apr 4, 2023
Transmittal of decision / summons - opposition
Mar 8, 2023
Information about the result of oral proceedings
Jan 13, 2023
Brief communication - Opposition proceedings
Jan 13, 2023
Brief communication - Opposition proceedings
Jan 6, 2023
(Electronic) Receipt
Jan 6, 2023
Auxiliary request during Opposition procedure
Jan 6, 2023
Auxiliary request during Opposition procedure
Jan 6, 2023
Auxiliary request during Opposition procedure
Jan 6, 2023
Auxiliary request during Opposition procedure
Jan 6, 2023
Auxiliary request during Opposition procedure
Jan 6, 2023
Auxiliary request during Opposition procedure
Jan 6, 2023
Auxiliary request during Opposition procedure
Jan 6, 2023
Auxiliary request during Opposition procedure - 01
Jan 6, 2023
Auxiliary request during Opposition procedure - 02
Jan 6, 2023
Auxiliary request during Opposition procedure - 03
Jan 6, 2023
Auxiliary request during Opposition procedure - 04
Jan 6, 2023
Auxiliary request during Opposition procedure - 05
Jan 6, 2023
Auxiliary request during Opposition procedure - 06
Jan 6, 2023
Auxiliary request during Opposition procedure - 07
Jan 6, 2023
Citation in opposition procedure - 016
Jan 6, 2023
Citation in opposition procedure - 017
Jan 6, 2023
Letter accompanying subsequently filed items
Jan 6, 2023
Written submission in preparation to/during oral proceedings
Jan 5, 2023
Consolidated list of cited opposition documents
Jan 4, 2023
(Electronic) Receipt
Jan 4, 2023
Citation in opposition procedure - 014
Jan 4, 2023
Citation in opposition procedure - 015
Jan 4, 2023
Letter accompanying subsequently filed items
Jan 4, 2023
Written submission in preparation to/during oral proceedings
Dec 8, 2022
Notification concerning the date of oral proceedings
Nov 17, 2022
Brief communication - Opposition proceedings
Nov 14, 2022
(Electronic) Receipt
Nov 14, 2022
Letter accompanying subsequently filed items
Nov 14, 2022
Letter regarding the opposition procedure (no time limit)
Nov 10, 2022
Brief communication - Opposition proceedings
Nov 10, 2022
Communication of amended entries
Nov 10, 2022
Communication of amended entries
Nov 4, 2022
(Electronic) Receipt
Nov 4, 2022
Letter accompanying subsequently filed items (CDR)
Nov 4, 2022
Request for change of opponent's representative
Sep 26, 2022
Brief communication - Opposition proceedings
Sep 26, 2022
Notification concerning the date of oral proceedings
Jun 6, 2022
(Electronic) Receipt
Jun 6, 2022
Advice of delivery
Jun 6, 2022
Letter accompanying subsequently filed items
May 18, 2022
(Electronic) Receipt
May 18, 2022
Advice of delivery
May 18, 2022
Letter accompanying subsequently filed items
May 10, 2022
Annex to the communication - opposition
May 10, 2022
Information about the result of oral proceedings
May 10, 2022
Information concerning oral proceedings
May 10, 2022
Summons to attend oral proceedings
May 10, 2022
Summons to attend oral proceedings
May 10, 2022
Transmittal of decision / summons - opposition
May 10, 2022
Transmittal of decision / summons - opposition
Oct 29, 2021
Communication concerning the filing of a power of attorney
Oct 29, 2021
Communication of amended entries
Oct 13, 2021
(Electronic) Receipt
Oct 13, 2021
Letter accompanying subsequently filed items
Oct 13, 2021
Request for change of opponent's representative
Oct 6, 2021
Brief communication - Opposition proceedings
Oct 1, 2021
(Electronic) Receipt
Oct 1, 2021
Citation in opposition procedure - 012
Oct 1, 2021
Citation in opposition procedure - 013
Oct 1, 2021
Letter accompanying subsequently filed items
Oct 1, 2021
Main request during Opposition procedure
Oct 1, 2021
Main request during Opposition procedure
Oct 1, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jun 4, 2021
Communication of a notice of opposition and request to file observations
Jun 4, 2021
Notice of further oppositions to opponent(s)
May 25, 2021
Communication of a notice of opposition - first information to patent proprietor
May 19, 2021
(Electronic) Receipt
May 19, 2021
Citation in opposition procedure - 001
May 19, 2021
Citation in opposition procedure - 002
May 19, 2021
Citation in opposition procedure - 003
May 19, 2021
Citation in opposition procedure - 004
May 19, 2021
Citation in opposition procedure - 005
May 19, 2021
Citation in opposition procedure - 006
May 19, 2021
Citation in opposition procedure - 007
May 19, 2021
Citation in opposition procedure - 008
May 19, 2021
Citation in opposition procedure - 009
May 19, 2021
Citation in opposition procedure - 010
May 19, 2021
Citation in opposition procedure - 010
May 19, 2021
Citation in opposition procedure - 011
May 19, 2021
Notice of opposition
May 19, 2021
Notice of opposition
Aug 31, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 23, 2020
Decision to grant a European patent
Jul 9, 2020
(Electronic) Receipt
Jul 9, 2020
Filing of the translations of the claims
Jul 9, 2020
French translation of claims
Jul 9, 2020
German translation of the claims
Mar 31, 2020
Bibliographic data of the European patent application
Mar 31, 2020
Communication about intention to grant a European patent
Mar 31, 2020
Intention to grant (signatures)
Mar 31, 2020
Text intended for grant (clean copy)
Mar 31, 2020
Text intended for grant (version for approval)
Feb 17, 2020
Examination started
Nov 7, 2019
(Electronic) Receipt
Nov 7, 2019
Amended description filed after receipt of (European) search report
Nov 7, 2019
Amended description with annotations
Nov 7, 2019
Amendments received before examination
Nov 7, 2019
Letter accompanying subsequently filed items
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 17, 2019
Notification on forthcoming publication of bibliographic data
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
May 10, 2019
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
May 10, 2019
Communication to designated inventor
May 10, 2019
Communication to designated inventor
May 10, 2019
Communication to designated inventor
May 10, 2019
Communication to designated inventor
May 6, 2019
Priority search results copy provided by EPO
Apr 29, 2019
Copy of the international preliminary report on patentability
Mar 22, 2019
(Electronic) Receipt
Mar 22, 2019
Request for entry into the European phase
Feb 15, 2019
Information on entry into European phase
Apr 30, 2018
Priority document (electronically transmitted)
Apr 12, 2018
Copy of the international search report
Apr 12, 2018
Published international application - A1
Apr 4, 2018
Notification of the recording of a change
Jan 19, 2018
ISR: cited documents
Jan 18, 2018
Written opinion of the ISA, boxes No. I to VIII
Jan 18, 2018
Written opinion of the ISA, cover sheet
Jan 18, 2018
Written opinion of the ISA, supplemental box
Oct 10, 2017
Notification of receipt of Search copy
Oct 10, 2017
Notification of the international application number and of the international filing date
Oct 6, 2017
Request form for international application (copy for ISA/EP)
Sep 28, 2017
(Electronic) Receipt
Sep 28, 2017
Abstract
Sep 28, 2017
Claims
Sep 28, 2017
Description
Sep 28, 2017
Document concerning fees and payments
Sep 28, 2017
Electronic request for grant of an International application
Sep 28, 2017
Incoming communication concerning PCT Direct
Sep 28, 2017
Priority document (RO-procedure)

EP3523334

AKZO NOBEL

Application Number: EP17772730A
Filing Date: Sep 28, 2017
Status: Patent Maintained As Amended; Oct 13, 2023
Publication Date: Nov 15, 2023
External Links: Slate, Register , Google Patents

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Process For Manufacturing Polyethylene

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Dossier Documents

EP3523334