Purification Of Recycled And Renewable Organic Material

Patent No. EP3824046 (titled "Purification Of Recycled And Renewable Organic Material") was filed by Neste OYJ on Jul 19, 2019. The application was issued on Sep 24, 2025.

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
UPM KYMMENE	May 30, 2023	HOFFMANN EITLE

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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Aug 28, 2025
Decision to maintain the European patent in amended form
Aug 28, 2025
Decision to maintain the European patent in amended form
Aug 20, 2025
(Electronic) Receipt
Aug 20, 2025
Filing of the translation of the amended claims
Aug 20, 2025
French translation of claims
Aug 20, 2025
German translation of the claims
Jun 3, 2025
Refund of fees
Jun 2, 2025
Communication of bibliographic data
Jun 2, 2025
Communication to opponent concerning maintenance
Jun 2, 2025
Communication with request to file translations
May 28, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
May 28, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
May 27, 2025
Maintenance of the patent with the documents specified in the final decision
May 22, 2025
F3345 Forwarding of submissions to parties
May 19, 2025
(Electronic) Receipt
May 19, 2025
Composition of the board (T)
May 19, 2025
Letter accompanying subsequently filed items
May 19, 2025
Withdrawal of an appeal
Apr 4, 2025
F3345 Forwarding of submissions to parties
Apr 1, 2025
(Electronic) Receipt
Apr 1, 2025
Letter accompanying subsequently filed items
Apr 1, 2025
Letter relating to Appeal Procedure
Mar 27, 2025
F3204 Communication of the file number to the parties
Mar 27, 2025
F3204 Communication of the file number to the parties
Mar 21, 2025
(Electronic) Receipt
Mar 21, 2025
Letter accompanying subsequently filed items
Mar 21, 2025
Notice of appeal
Jan 24, 2025
Annex to the communication - opposition
Jan 24, 2025
Decision of the Opposition Division and instruction
Jan 24, 2025
Druckexemplar in opposition procedure
Jan 24, 2025
Grounds for the decision (Annex) - opposition
Jan 24, 2025
Interlocutory decision in opposition proceedings
Jan 24, 2025
Interlocutory decision in opposition proceedings
Jan 24, 2025
Means of redress
Jan 24, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 24, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 24, 2025
Provision of a copy of the minutes - opposition procedure
Jan 24, 2025
Provision of a copy of the minutes - opposition procedure
Jan 24, 2025
Scanned annex to a communication - opposition procedure
Jan 24, 2025
Scanned annex to a communication - opposition procedure
Dec 5, 2024
Information about the result of oral proceedings
Oct 9, 2024
Brief communication - Opposition proceedings
Oct 9, 2024
Brief communication - Opposition proceedings
Oct 4, 2024
(Electronic) Receipt
Oct 4, 2024
Auxiliary request during Opposition procedure - 05
Oct 4, 2024
Auxiliary request during Opposition procedure - 06
Oct 4, 2024
Auxiliary request during Opposition procedure - 07
Oct 4, 2024
Auxiliary request during Opposition procedure - 08
Oct 4, 2024
Auxiliary request during Opposition procedure - 09
Oct 4, 2024
Auxiliary request during Opposition procedure - 10
Oct 4, 2024
Auxiliary request during Opposition procedure - 11
Oct 4, 2024
Auxiliary request during Opposition procedure - 12
Oct 4, 2024
Auxiliary request during Opposition procedure - 13
Oct 4, 2024
Auxiliary request during Opposition procedure - 14
Oct 4, 2024
Auxiliary request during Opposition procedure - 15
Oct 4, 2024
Auxiliary request during Opposition procedure - 16
Oct 4, 2024
Letter accompanying subsequently filed items
Oct 4, 2024
Written submission in preparation to/during oral proceedings
Sep 18, 2024
Oral proceedings: reply to date proposed
Sep 3, 2024
Brief communication - Opposition proceedings
Aug 27, 2024
(Electronic) Receipt
Aug 27, 2024
Citation in opposition procedure - 007
Aug 27, 2024
Consolidated list of cited opposition documents
Aug 27, 2024
Letter accompanying subsequently filed items
Aug 27, 2024
Written submission in preparation to/during oral proceedings
Mar 14, 2024
Annex to the communication - opposition
Mar 14, 2024
Brief communication - Opposition proceedings
Mar 14, 2024
Brief communication - Opposition proceedings
Mar 14, 2024
Information concerning oral proceedings
Mar 14, 2024
Scanned annex to a communication - opposition procedure
Mar 14, 2024
Summons to attend oral proceedings
Mar 14, 2024
Summons to attend oral proceedings
Oct 26, 2023
Brief communication - Opposition proceedings
Oct 23, 2023
(Electronic) Receipt
Oct 23, 2023
Auxiliary request during Opposition procedure
Oct 23, 2023
Auxiliary request during Opposition procedure
Oct 23, 2023
Auxiliary request during Opposition procedure
Oct 23, 2023
Auxiliary request during Opposition procedure
Oct 23, 2023
Auxiliary request during Opposition procedure - 01
Oct 23, 2023
Auxiliary request during Opposition procedure - 02
Oct 23, 2023
Auxiliary request during Opposition procedure - 03
Oct 23, 2023
Auxiliary request during Opposition procedure - 04
Oct 23, 2023
Letter accompanying subsequently filed items
Oct 23, 2023
Reply of the patent proprietor to the notice(s) of opposition
Jun 15, 2023
Communication of a notice of opposition and request to file observations
Jun 15, 2023
Notice of further oppositions to opponent(s)
Jun 5, 2023
(Electronic) Receipt
Jun 5, 2023
Citation in opposition procedure
Jun 5, 2023
Communication of a notice of opposition - first information to patent proprietor
Jun 5, 2023
Letter accompanying subsequently filed items
May 30, 2023
(Electronic) Receipt
May 30, 2023
(Electronic) Receipt
May 30, 2023
Citation in opposition procedure
May 30, 2023
Citation in opposition procedure - 001
May 30, 2023
Citation in opposition procedure - 002
May 30, 2023
Citation in opposition procedure - 003
May 30, 2023
Citation in opposition procedure - 004
May 30, 2023
Citation in opposition procedure - 004
May 30, 2023
Citation in opposition procedure - 005
May 30, 2023
Citation in opposition procedure - 006
May 30, 2023
Letter regarding the opposition procedure (no time limit)
May 30, 2023
Notice of opposition
May 30, 2023
Notice of opposition
Sep 13, 2022
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 4, 2022
Decision to grant a European patent
Jul 22, 2022
(Electronic) Receipt
Jul 22, 2022
French translation of claims
Jul 22, 2022
German translation of the claims
Jul 22, 2022
Letter accompanying subsequently filed items
Mar 30, 2022
Bibliographic data of the European patent application
Mar 30, 2022
Communication about intention to grant a European patent
Mar 30, 2022
Intention to grant (signatures)
Mar 30, 2022
Text intended for grant (clean copy)
Mar 30, 2022
Text intended for grant (version for approval)
Feb 25, 2022
Examination started
Sep 2, 2021
(Electronic) Receipt
Sep 2, 2021
Amended claims filed after receipt of (European) search report
Sep 2, 2021
Amended claims with annotations
Sep 2, 2021
Amendments received before examination
Sep 2, 2021
Letter accompanying subsequently filed items
May 3, 2021
Copy of the international preliminary examination report
Apr 29, 2021
Notification on forthcoming publication of bibliographic data
Mar 2, 2021
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Feb 26, 2021
Communication to designated inventor
Feb 26, 2021
Communication to designated inventor
Feb 26, 2021
Communication to designated inventor
Feb 26, 2021
Communication to designated inventor
Feb 26, 2021
Communication to designated inventor
Feb 26, 2021
Communication to designated inventor
Feb 26, 2021
Communication to designated inventor
Feb 26, 2021
Communication to designated inventor
Feb 26, 2021
Communication to designated inventor
Feb 26, 2021
Communication to designated inventor
Feb 26, 2021
Communication to designated inventor
Feb 26, 2021
Communication to designated inventor
Feb 26, 2021
Communication to designated inventor
Feb 18, 2021
(Electronic) Receipt
Feb 18, 2021
Priority search results
Feb 18, 2021
Request for entry into the European phase
Dec 16, 2020
Annex to International preliminary examination report
Dec 16, 2020
International preliminary examination report
Dec 16, 2020
International preliminary examination report - free text sheet
Dec 16, 2020
International preliminary examination report - points I-VIII
Dec 16, 2020
Transmittal of International Preliminary Examination Report
Nov 27, 2020
Information on entry into European phase
Sep 9, 2020
(Electronic) Receipt
Sep 9, 2020
Letter regarding PCTII procedure
Sep 9, 2020
Reply to communication PCT/IPEA/408
Jul 10, 2020
Written opinion
Jul 10, 2020
Written opinion - free text sheet
Jul 10, 2020
Written opinion - points I-VIII
Jun 11, 2020
Notification of election of EPO
May 27, 2020
Notification of receipt of demand
May 19, 2020
PCT demand form
May 19, 2020
PCT(IPEA): Amended sheet - claims
May 19, 2020
PCT(IPEA): Amended sheet - claims
May 19, 2020
Payment of fees and costs
May 19, 2020
Reply to International Search Opinion
Feb 11, 2020
Priority document (electronically transmitted)
Jan 23, 2020
Copy of the international search report
Jan 23, 2020
Published international application - A1
Oct 4, 2019
(Electronic) Receipt
Oct 4, 2019
Incoming letter related to PCT RO
Oct 4, 2019
Substitute sheet (R26) - Description
Oct 4, 2019
Substitute sheet (R26) - Drawings
Aug 5, 2019
Invitation to correct defects in the international application
Aug 5, 2019
Notification of the international application number and of the international filing date
Jul 19, 2019
(Electronic) Receipt
Jul 19, 2019
Abstract
Jul 19, 2019
Claims
Jul 19, 2019
Description
Jul 19, 2019
Document concerning fees and payments
Jul 19, 2019
Drawings
Jul 19, 2019
Electronic request for grant of an International application

EP3824046

NESTE OYJ

Application Number: EP19742578A
Filing Date: Jul 19, 2019
Status: Patent Maintained As Amended; Aug 22, 2025
Publication Date: Sep 24, 2025
External Links: Slate, Register , Google Patents

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Purification Of Recycled And Renewable Organic Material

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Dossier Documents

EP3824046