IP Verse

Purification Of Waste Plastic Based Oil Via A Two Steps Hydrotreatment

Patent No. EP4133036 (titled "Purification Of Waste Plastic Based Oil Via A Two Steps Hydrotreatment") was filed by Totalenergies Onetech Belgium on Apr 6, 2021. The application was issued on Jun 12, 2024.

Patent Summary

Patent Family

Patent Oppositions

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
NESTE OYJ	Mar 11, 2025	TBK

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

Get instant alerts for new documents

Nov 10, 2025
Brief communication - Opposition proceedings
Nov 5, 2025
Brief communication - Opposition proceedings
Nov 4, 2025
(Electronic) Receipt
Nov 4, 2025
Letter accompanying subsequently filed items
Nov 4, 2025
Request for interpreters during oral proceedings
Oct 31, 2025
(Electronic) Receipt
Oct 31, 2025
Citation in opposition procedure - 024
Oct 31, 2025
Citation in opposition procedure - 025
Oct 31, 2025
Citation in opposition procedure - 026
Oct 31, 2025
Consolidated list of cited opposition documents
Oct 31, 2025
Letter accompanying subsequently filed items
Oct 31, 2025
Written submission in preparation to/during oral proceedings
Oct 29, 2025
Annex to the communication - opposition
Oct 29, 2025
Information concerning oral proceedings
Oct 29, 2025
Scanned annex to a communication - opposition procedure
Oct 29, 2025
Scanned annex to a communication - opposition procedure
Oct 29, 2025
Summons to attend oral proceedings
Oct 29, 2025
Summons to attend oral proceedings
Jul 31, 2025
Brief communication - Opposition proceedings
Jul 28, 2025
(Electronic) Receipt
Jul 28, 2025
Auxiliary request during Opposition procedure
Jul 28, 2025
Auxiliary request during Opposition procedure
Jul 28, 2025
Auxiliary request during Opposition procedure
Jul 28, 2025
Auxiliary request during Opposition procedure - 01
Jul 28, 2025
Auxiliary request during Opposition procedure - 02
Jul 28, 2025
Auxiliary request during Opposition procedure - 03
Jul 28, 2025
Citation in opposition procedure - 022
Jul 28, 2025
Citation in opposition procedure - 023
Jul 28, 2025
Letter accompanying subsequently filed items
Jul 28, 2025
Main request during Opposition procedure
Jul 28, 2025
Main request during Opposition procedure
Jul 28, 2025
Reply of the patent proprietor to the notice(s) of opposition
Apr 29, 2025
Brief communication - Opposition proceedings
Apr 29, 2025
Communication confirming withdrawal from representation
Apr 29, 2025
Communication of amended entries concerning the representative
Apr 24, 2025
(Electronic) Receipt
Apr 24, 2025
Letter accompanying subsequently filed items
Apr 24, 2025
Submission concerning change of applicant's representative
Apr 23, 2025
(Electronic) Receipt
Apr 23, 2025
Letter accompanying subsequently filed items
Apr 23, 2025
Submission concerning change of applicant's representative
Apr 9, 2025
Invitation to file an authorisation
Apr 4, 2025
(Electronic) Receipt
Apr 4, 2025
(Electronic) Receipt
Apr 4, 2025
Letter accompanying subsequently filed items
Apr 4, 2025
Letter accompanying subsequently filed items
Apr 4, 2025
Submission concerning change of applicant's representative
Apr 4, 2025
Submission concerning change of applicant's representative
Mar 26, 2025
Communication of a notice of opposition and request to file observations
Mar 26, 2025
Notice of further oppositions to opponent(s)
Mar 17, 2025
Communication of a notice of opposition - first information to patent proprietor
Mar 11, 2025
(Electronic) Receipt
Mar 11, 2025
Citation in opposition procedure - 001
Mar 11, 2025
Citation in opposition procedure - 001
Mar 11, 2025
Citation in opposition procedure - 002
Mar 11, 2025
Citation in opposition procedure - 003
Mar 11, 2025
Citation in opposition procedure - 004
Mar 11, 2025
Citation in opposition procedure - 004
Mar 11, 2025
Citation in opposition procedure - 005
Mar 11, 2025
Citation in opposition procedure - 005
Mar 11, 2025
Citation in opposition procedure - 006
Mar 11, 2025
Citation in opposition procedure - 006
Mar 11, 2025
Citation in opposition procedure - 007
Mar 11, 2025
Citation in opposition procedure - 008
Mar 11, 2025
Citation in opposition procedure - 009
Mar 11, 2025
Citation in opposition procedure - 009
Mar 11, 2025
Citation in opposition procedure - 010
Mar 11, 2025
Citation in opposition procedure - 010
Mar 11, 2025
Citation in opposition procedure - 011
Mar 11, 2025
Citation in opposition procedure - 012
Mar 11, 2025
Citation in opposition procedure - 013
Mar 11, 2025
Citation in opposition procedure - 014
Mar 11, 2025
Citation in opposition procedure - 015
Mar 11, 2025
Citation in opposition procedure - 016
Mar 11, 2025
Citation in opposition procedure - 016
Mar 11, 2025
Citation in opposition procedure - 017
Mar 11, 2025
Citation in opposition procedure - 018
Mar 11, 2025
Citation in opposition procedure - 018
Mar 11, 2025
Citation in opposition procedure - 019
Mar 11, 2025
Citation in opposition procedure - 020
Mar 11, 2025
Citation in opposition procedure - 021
Mar 11, 2025
Notice of opposition
Mar 11, 2025
Notice of opposition
Dec 9, 2024
Priority document (electronically transmitted)
Dec 9, 2024
Priority document (electronically transmitted)
Dec 9, 2024
Priority document (electronically transmitted)
Dec 9, 2024
Priority document (electronically transmitted)
Dec 9, 2024
Priority document (electronically transmitted)
Jun 25, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 21, 2024
Refund of fees
May 21, 2024
Refund of fees
May 16, 2024
Decision to grant a European patent
May 2, 2024
(Electronic) Receipt
May 2, 2024
Filing of the translations of the claims
May 2, 2024
French translation of claims
May 2, 2024
German translation of the claims
Jan 15, 2024
Annex to the communication about intention to grant a European patent
Jan 15, 2024
Bibliographic data of the European patent application
Jan 15, 2024
Communication about intention to grant a European patent
Jan 15, 2024
Intention to grant (signatures)
Jan 15, 2024
Text intended for grant (clean copy)
Jan 15, 2024
Text intended for grant (version for approval)
Nov 3, 2023
(Electronic) Receipt
Nov 3, 2023
Amended description with annotations
Nov 3, 2023
Description
Nov 3, 2023
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Nov 3, 2023
Summary of subsequently filed documents
Aug 7, 2023
Annex to the communication about intention to grant a European patent
Aug 7, 2023
Bibliographic data of the European patent application
Aug 7, 2023
Communication about intention to grant a European patent
Aug 7, 2023
Intention to grant (signatures)
Aug 7, 2023
Text intended for grant (clean copy)
Aug 7, 2023
Text intended for grant (version for approval)
Jul 12, 2023
Examination started
Jan 18, 2023
Notification on forthcoming publication of bibliographic data
Nov 22, 2022
Priority document (electronically transmitted)
Nov 22, 2022
Priority document (electronically transmitted)
Nov 22, 2022
Priority document (electronically transmitted)
Nov 22, 2022
Priority document (electronically transmitted)
Nov 22, 2022
Priority document (electronically transmitted)
Nov 15, 2022
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Nov 8, 2022
Priority search results copy provided by EPO
Nov 8, 2022
Priority search results copy provided by EPO
Nov 8, 2022
Priority search results copy provided by EPO
Nov 8, 2022
Priority search results copy provided by EPO
Nov 8, 2022
Priority search results copy provided by EPO
Oct 19, 2022
(Electronic) Receipt
Oct 19, 2022
Request for entry into the European phase
Oct 17, 2022
Annexes to the international preliminary examination report
Oct 17, 2022
Copy of the international preliminary examination report
Oct 17, 2022
Copy of the international preliminary examination report
Sep 23, 2022
Notification of the recording of a change
Sep 23, 2022
Notification of the recording of a change
Sep 23, 2022
Notification of the recording of a change
Sep 23, 2022
Notification of the recording of a change
Sep 12, 2022
Letter which had not been notified
Aug 19, 2022
Information on entry into European phase
Feb 17, 2022
Annex to International preliminary examination report
Feb 17, 2022
International preliminary examination report
Feb 17, 2022
International preliminary examination report - free text sheet
Feb 17, 2022
International preliminary examination report - points I-VIII
Feb 17, 2022
Transmittal of International Preliminary Examination Report
Jan 27, 2022
Notification of the recording of a change
Jan 27, 2022
Notification of the recording of a change
Jan 27, 2022
Notification of the recording of a change
Jan 27, 2022
Notification of the recording of a change
Jan 11, 2022
(Electronic) Receipt
Jan 11, 2022
Letter regarding PCTII procedure
Jan 11, 2022
Letter regarding PCTII procedure
Jan 11, 2022
Reply to Form IPEA424
Dec 30, 2021
Notification of election of EPO
Dec 15, 2021
Free text
Dec 15, 2021
Notification of receipt of demand
Dec 9, 2021
(Electronic) Receipt
Dec 9, 2021
PCT demand form
Dec 9, 2021
PCT(IPEA): Amended sheet - claims
Dec 9, 2021
PCT(IPEA): Amended sheet - claims
Dec 9, 2021
Payment of fees and costs
Dec 9, 2021
Reply to International Search Opinion
Oct 14, 2021
Copy of the international search report
Oct 14, 2021
Published international application - A1
Jun 23, 2021
Notification of refund of search fee
Jun 18, 2021
ISR: cited documents
Jun 18, 2021
Written opinion of the ISA, boxes No. I to VIII
Jun 18, 2021
Written opinion of the ISA, cover sheet
Jun 18, 2021
Written opinion of the ISA, supplemental box
May 18, 2021
(Electronic) Receipt
May 18, 2021
Incoming letter related to PCT RO
May 18, 2021
Incoming letter related to PCT RO
May 18, 2021
Substitute sheet (R26) - Drawings
Apr 13, 2021
Invitation to correct defects in the international application
Apr 13, 2021
Notification of receipt of Search copy
Apr 13, 2021
Notification of the international application number and of the international filing date
Apr 9, 2021
Request form for international application (copy for ISA/EP)
Apr 6, 2021
(Electronic) Receipt
Apr 6, 2021
Abstract
Apr 6, 2021
Claims
Apr 6, 2021
Description
Apr 6, 2021
Document concerning fees and payments
Apr 6, 2021
Drawings
Apr 6, 2021
Electronic request for grant of an International application
Apr 6, 2021
Incoming communication concerning PCT Direct
Apr 6, 2021
Priority document (RO-procedure)
Apr 6, 2021
Priority document (RO-procedure)
Apr 6, 2021
Priority document (RO-procedure)
Apr 6, 2021
Priority document (RO-procedure)
Apr 6, 2021
Priority document (RO-procedure)

EP4133036

TOTALENERGIES ONETECH BELGIUM

Application Number: EP21715662A
Filing Date: Apr 6, 2021
Status: Granted And Under Opposition; May 10, 2024
Publication Date: Jun 12, 2024
External Links: Slate, Register , Google Patents