Lubricating Oil Compositions Comprising A Biodiesel Fuel And An Antioxidant

Patent No. EP2055762 (titled "Lubricating Oil Compositions Comprising A Biodiesel Fuel And An Antioxidant") was filed by Chevron Oronite on Mar 26, 2008. The application was issued on Apr 28, 2021.

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
AFTON CHEMICAL	Jan 26, 2022	J A KEMP

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 11, 2025
Decision of the Board of Appeal
Jul 11, 2025
F3032 Notification(s) of the decision
Jul 11, 2025
F3032 Notification(s) of the decision
Jun 26, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Jun 26, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Jun 23, 2025
F3014 Oral Proceedings: Order cancelling/postponing
Jun 12, 2025
F3345 Forwarding of submissions to parties
Jun 6, 2025
(Electronic) Receipt
Jun 6, 2025
F3345 Forwarding of submissions to parties
Jun 6, 2025
Letter accompanying subsequently filed items
Jun 6, 2025
Letter dealing with oral proceedings during the appeal procedure
Jun 3, 2025
(Electronic) Receipt
Jun 3, 2025
Letter accompanying subsequently filed items
Jun 3, 2025
Letter relating to Appeal Procedure
May 21, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 21, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 18, 2025
F3345 Forwarding of submissions to parties
Mar 13, 2025
(Electronic) Receipt
Mar 13, 2025
Letter accompanying subsequently filed items
Mar 13, 2025
Letter relating to Appeal Procedure
Mar 7, 2025
F3345 Forwarding of submissions to parties
Mar 3, 2025
(Electronic) Receipt
Mar 3, 2025
Letter accompanying subsequently filed items
Mar 3, 2025
Letter relating to Appeal Procedure
Feb 21, 2025
F3345 Forwarding of submissions to parties
Feb 17, 2025
(Electronic) Receipt
Feb 17, 2025
Letter accompanying subsequently filed items
Feb 17, 2025
Letter relating to Appeal Procedure
Dec 19, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 19, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 12, 2024
F3345 Forwarding of submissions to parties
Dec 9, 2024
(Electronic) Receipt
Dec 9, 2024
Annexes (other than cited documents) regarding appeal procedure
Dec 9, 2024
Letter accompanying subsequently filed items
Dec 9, 2024
Letter relating to Appeal Procedure
Nov 29, 2024
F3345 Forwarding of submissions to parties
Nov 28, 2024
F3345 Forwarding of submissions to parties
Nov 26, 2024
(Electronic) Receipt
Nov 26, 2024
Letter accompanying subsequently filed items
Nov 26, 2024
Letter relating to Appeal Procedure
Nov 20, 2024
Oral proceedings: Request for postponement
Nov 11, 2024
F3345 Forwarding of submissions to parties
Nov 5, 2024
(Electronic) Receipt
Nov 5, 2024
Letter accompanying subsequently filed items
Nov 5, 2024
Letter dealing with oral proceedings during the appeal procedure
Oct 23, 2024
F3345 Forwarding of submissions to parties
Oct 14, 2024
(Electronic) Receipt
Oct 14, 2024
Letter accompanying subsequently filed items
Oct 14, 2024
Letter dealing with oral proceedings during the appeal procedure
Oct 11, 2024
F3011.2 Oral Proceedings: Summons VICO
Oct 11, 2024
F3011.2 Oral Proceedings: Summons VICO
Oct 8, 2024
F3010 Oral proceedings: order for summons
Oct 8, 2024
F3303.16 Change of composition of the Board (T)
Aug 1, 2024
F3345 Forwarding of submissions to parties
Jul 30, 2024
Communication of the registration of a transfer or change of name and/or address
Jul 23, 2024
(Electronic) Receipt
Jul 23, 2024
Letter accompanying subsequently filed items
Jul 23, 2024
Submission concerning change of applicant's address
Jun 19, 2024
F3345 Forwarding of submissions to parties
Jun 4, 2024
(Electronic) Receipt
Jun 4, 2024
Letter accompanying subsequently filed items
Jun 4, 2024
Letter relating to Appeal Procedure
Apr 8, 2024
F3345 Forwarding of submissions to parties
Mar 28, 2024
(Electronic) Receipt
Mar 28, 2024
Amended claims with annotations
Mar 28, 2024
Amended claims with annotations
Mar 28, 2024
Amended claims with annotations
Mar 28, 2024
Amended claims with annotations
Mar 28, 2024
Amended claims with annotations
Mar 28, 2024
Amended claims with annotations
Mar 28, 2024
Amended claims with annotations
Mar 28, 2024
Amended claims with annotations
Mar 28, 2024
Amended claims with annotations
Mar 28, 2024
Amended claims with annotations
Mar 28, 2024
Amended claims with annotations
Mar 28, 2024
Amended claims with annotations
Mar 28, 2024
Amended claims with annotations
Mar 28, 2024
Amended claims with annotations
Mar 28, 2024
Amended claims with annotations
Mar 28, 2024
Auxiliary request during appeals procedure - 01
Mar 28, 2024
Auxiliary request during appeals procedure - 01
Mar 28, 2024
Auxiliary request during appeals procedure - 01
Mar 28, 2024
Auxiliary request during appeals procedure - 02
Mar 28, 2024
Auxiliary request during appeals procedure - 02
Mar 28, 2024
Auxiliary request during appeals procedure - 02
Mar 28, 2024
Auxiliary request during appeals procedure - 02
Mar 28, 2024
Auxiliary request during appeals procedure - 03
Mar 28, 2024
Auxiliary request during appeals procedure - 03
Mar 28, 2024
Auxiliary request during appeals procedure - 03
Mar 28, 2024
Auxiliary request during appeals procedure - 03
Mar 28, 2024
Auxiliary request during appeals procedure - 04
Mar 28, 2024
Auxiliary request during appeals procedure - 04
Mar 28, 2024
Auxiliary request during appeals procedure - 04
Mar 28, 2024
Auxiliary request during appeals procedure - 04
Mar 28, 2024
Letter accompanying subsequently filed items
Mar 28, 2024
Reply to appeal
Nov 30, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 23, 2023
(Electronic) Receipt
Nov 23, 2023
Citation in appeal procedure - 031
Nov 23, 2023
Citation in appeal procedure - 032
Nov 23, 2023
Letter accompanying subsequently filed items
Nov 23, 2023
Letter relating to Appeal Procedure
Nov 23, 2023
Statement of grounds of appeal
Sep 15, 2023
F3204 Communication of the file number to the parties
Sep 15, 2023
F3204 Communication of the file number to the parties
Sep 14, 2023
(Electronic) Receipt
Sep 14, 2023
Letter accompanying subsequently filed items
Sep 14, 2023
Notice of appeal
Jul 13, 2023
Annex to the communication - opposition
Jul 13, 2023
Decision of the Opposition Division and instruction
Jul 13, 2023
Decision rejecting the opposition
Jul 13, 2023
Decision rejecting the opposition
Jul 13, 2023
Grounds for the decision (Annex) - opposition
Jul 13, 2023
Means of redress
Jul 13, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 13, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 13, 2023
Provision of a copy of the minutes - opposition procedure
Jul 13, 2023
Provision of a copy of the minutes - opposition procedure
Jul 13, 2023
Scanned annex to a communication - opposition procedure
Jul 13, 2023
Transmittal of decision / summons - opposition
Jul 13, 2023
Transmittal of decision / summons - opposition
Jun 28, 2023
Brief communication - Opposition proceedings
Jun 28, 2023
Information about the result of oral proceedings
Jun 27, 2023
(Electronic) Receipt
Jun 27, 2023
Citation in opposition procedure - 029
Jun 27, 2023
Citation in opposition procedure - 030
Jun 27, 2023
Consolidated list of cited opposition documents
Jun 27, 2023
Letter accompanying subsequently filed items
Jun 27, 2023
Written submission in preparation to/during oral proceedings
Jun 26, 2023
(Electronic) Receipt
Jun 26, 2023
Letter accompanying subsequently filed items
Jun 14, 2023
Notification concerning the date of oral proceedings
May 4, 2023
Brief communication - Opposition proceedings
May 4, 2023
Brief communication - Opposition proceedings
Apr 28, 2023
(Electronic) Receipt
Apr 28, 2023
Letter accompanying subsequently filed items
Apr 28, 2023
Written submission in preparation to/during oral proceedings
Apr 28, 2023
Written submission in preparation to/during oral proceedings
Apr 27, 2023
(Electronic) Receipt
Apr 27, 2023
(Electronic) Receipt
Apr 27, 2023
Auxiliary request during Opposition procedure
Apr 27, 2023
Auxiliary request during Opposition procedure
Apr 27, 2023
Auxiliary request during Opposition procedure
Apr 27, 2023
Auxiliary request during Opposition procedure
Apr 27, 2023
Auxiliary request during Opposition procedure
Apr 27, 2023
Auxiliary request during Opposition procedure
Apr 27, 2023
Auxiliary request during Opposition procedure
Apr 27, 2023
Auxiliary request during Opposition procedure - 01
Apr 27, 2023
Auxiliary request during Opposition procedure - 01
Apr 27, 2023
Auxiliary request during Opposition procedure - 01
Apr 27, 2023
Auxiliary request during Opposition procedure - 02
Apr 27, 2023
Auxiliary request during Opposition procedure - 02
Apr 27, 2023
Auxiliary request during Opposition procedure - 02
Apr 27, 2023
Auxiliary request during Opposition procedure - 02
Apr 27, 2023
Letter accompanying subsequently filed items
Apr 27, 2023
Written submission in preparation to/during oral proceedings
Jan 19, 2023
Annex to the communication - opposition
Jan 19, 2023
Information concerning oral proceedings
Jan 19, 2023
Scanned annex to a communication - opposition procedure
Jan 19, 2023
Summons to attend oral proceedings
Jan 19, 2023
Summons to attend oral proceedings
Jan 19, 2023
Transmittal of decision / summons - opposition
Jan 19, 2023
Transmittal of decision / summons - opposition
Sep 28, 2022
Document concerning representation
Jun 20, 2022
Brief communication - Opposition proceedings
Jun 14, 2022
(Electronic) Receipt
Jun 14, 2022
Any annexes (other than citation) to an opposition letter
Jun 14, 2022
Citation in opposition procedure - 028
Jun 14, 2022
Letter accompanying subsequently filed items
Jun 14, 2022
Reply of the patent proprietor to the notice(s) of opposition
Feb 9, 2022
Communication of a notice of opposition and request to file observations
Feb 9, 2022
Notice of further oppositions to opponent(s)
Feb 1, 2022
Communication of a notice of opposition - first information to patent proprietor
Jan 26, 2022
(Electronic) Receipt
Jan 26, 2022
Citation in opposition procedure - 001
Jan 26, 2022
Citation in opposition procedure - 002
Jan 26, 2022
Citation in opposition procedure - 003
Jan 26, 2022
Citation in opposition procedure - 004
Jan 26, 2022
Citation in opposition procedure - 005
Jan 26, 2022
Citation in opposition procedure - 006
Jan 26, 2022
Citation in opposition procedure - 007
Jan 26, 2022
Citation in opposition procedure - 008
Jan 26, 2022
Citation in opposition procedure - 009
Jan 26, 2022
Citation in opposition procedure - 010
Jan 26, 2022
Citation in opposition procedure - 010
Jan 26, 2022
Citation in opposition procedure - 011
Jan 26, 2022
Citation in opposition procedure - 012
Jan 26, 2022
Citation in opposition procedure - 013
Jan 26, 2022
Citation in opposition procedure - 014
Jan 26, 2022
Citation in opposition procedure - 014
Jan 26, 2022
Citation in opposition procedure - 015
Jan 26, 2022
Citation in opposition procedure - 016
Jan 26, 2022
Citation in opposition procedure - 017
Jan 26, 2022
Citation in opposition procedure - 018
Jan 26, 2022
Citation in opposition procedure - 019
Jan 26, 2022
Citation in opposition procedure - 020
Jan 26, 2022
Citation in opposition procedure - 021
Jan 26, 2022
Citation in opposition procedure - 022
Jan 26, 2022
Citation in opposition procedure - 023
Jan 26, 2022
Citation in opposition procedure - 024
Jan 26, 2022
Citation in opposition procedure - 025
Jan 26, 2022
Citation in opposition procedure - 026
Jan 26, 2022
Citation in opposition procedure - 027
Jan 26, 2022
Notice of opposition
Jan 26, 2022
Notice of opposition
May 12, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 1, 2021
Decision to grant a European patent
Mar 29, 2021
Decision to allow further processing
Feb 2, 2021
(Electronic) Receipt
Feb 2, 2021
Letter accompanying subsequently filed items
Feb 2, 2021
Request for further processing
Jan 29, 2021
Application deemed to be withdrawn ( translations of claims/payment missing)
Jan 11, 2021
(Electronic) Receipt
Jan 11, 2021
Filing of the translations of the claims
Jan 11, 2021
French translation of claims
Jan 11, 2021
German translation of the claims
Sep 29, 2020
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Sep 8, 2020
Transmittal of third party observations to applicant
Sep 3, 2020
Non-patent literature cited during the examination procedure
Sep 3, 2020
Observations by third parties
Aug 18, 2020
Bibliographic data of the European patent application
Aug 18, 2020
Communication about intention to grant a European patent
Aug 18, 2020
Intention to grant (signatures)
Aug 18, 2020
Text intended for grant (clean copy)
Aug 18, 2020
Text intended for grant (version for approval)
Jun 1, 2020
(Electronic) Receipt
Jun 1, 2020
Amended claims with annotations
Jun 1, 2020
Claims
Jun 1, 2020
Letter accompanying subsequently filed items
Jun 1, 2020
Reply to communication from the Examining Division
Apr 1, 2020
Grant of extension of time limit (examination procedure)
Mar 27, 2020
(Electronic) Receipt
Mar 27, 2020
Request for extension of time limit to communication from the Examining Division
Nov 21, 2019
Annex to the communication
Nov 21, 2019
Communication from the Examining Division
Jul 23, 2019
(Electronic) Receipt
Jul 23, 2019
Letter accompanying subsequently filed items
Jul 23, 2019
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Jul 23, 2019
Reply to communication from the Examining Division
May 14, 2019
Grant of extension of time limit (examination procedure)
May 8, 2019
(Electronic) Receipt
May 8, 2019
Letter accompanying subsequently filed items
May 8, 2019
Request for extension of time limit to communication from the Examining Division
Apr 25, 2019
Submission concerning representation
Apr 1, 2019
Grant of extension of time limit (examination procedure)
Mar 21, 2019
(Electronic) Receipt
Mar 21, 2019
Request for extension of time limit to communication from the Examining Division
Nov 14, 2018
Annex to the communication
Nov 14, 2018
Communication from the Examining Division
Jun 27, 2018
Transmittal of third party observations to applicant
Jun 18, 2018
Non-patent literature cited during the examination procedure
Jun 18, 2018
Non-patent literature cited during the examination procedure
Jun 18, 2018
Non-patent literature cited during the examination procedure
Jun 18, 2018
Non-patent literature cited during the examination procedure
Jun 18, 2018
Non-scannable object
Jun 18, 2018
Non-scannable object
Jun 18, 2018
Observations by third parties
Jun 18, 2018
Patent document cited during the examination procedure
Jun 18, 2018
Patent document cited during the examination procedure
Jun 18, 2018
Patent document cited during the examination procedure
Jun 18, 2018
Patent document cited during the examination procedure
Feb 22, 2018
Decision to allow further processing
Feb 14, 2018
(Electronic) Receipt
Feb 14, 2018
Amended claims with annotations
Feb 14, 2018
Claims
Feb 14, 2018
Letter accompanying subsequently filed items
Feb 14, 2018
Reply to communication from the Examining Division
Feb 5, 2018
Communication of amended entries concerning the representative
Jan 30, 2018
Submission concerning change of applicant's representative
Dec 12, 2017
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Sep 19, 2017
Grant of extension of time limit (examination procedure)
Sep 11, 2017
(Electronic) Receipt
Sep 11, 2017
Request for extension of time limit to communication from the Examining Division
May 2, 2017
Annex to the communication
May 2, 2017
Communication from the Examining Division
Jan 17, 2017
Transmittal of third party observations to applicant
Dec 27, 2016
Non-patent literature cited during the examination procedure
Dec 27, 2016
Non-patent literature cited during the examination procedure
Dec 27, 2016
Non-patent literature cited during the examination procedure
Dec 27, 2016
Non-patent literature cited during the examination procedure
Dec 27, 2016
Non-patent literature cited during the examination procedure
Dec 27, 2016
Non-patent literature cited during the examination procedure
Dec 27, 2016
Non-patent literature cited during the examination procedure
Dec 27, 2016
Non-patent literature cited during the examination procedure
Dec 27, 2016
Non-patent literature cited during the examination procedure
Dec 27, 2016
Observations by third parties
Dec 27, 2016
Patent document cited during the examination procedure
Aug 23, 2016
(Electronic) Receipt
Aug 23, 2016
Amended claims with annotations
Aug 23, 2016
Claims
Aug 23, 2016
Letter accompanying subsequently filed items
Aug 23, 2016
Reply to communication from the Examining Division
Apr 15, 2016
Annex to the communication
Apr 15, 2016
Communication from the Examining Division
May 30, 2011
Decision to allow further processing
May 20, 2011
(Electronic) Receipt
May 20, 2011
Claims
May 20, 2011
Description
May 20, 2011
Letter accompanying subsequently filed items
May 20, 2011
Request for further processing
Mar 10, 2011
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Nov 22, 2010
Grant of extension of time limit (examination procedure)
Nov 18, 2010
Final instructions (loss of partial rights)
Nov 16, 2010
(Electronic) Receipt
Nov 16, 2010
Letter accompanying subsequently filed items
Aug 9, 2010
Designation deemed to be withdrawn (non payment of designation fees)
Jul 22, 2010
Annex to the communication
Jul 22, 2010
Communication from the Examining Division
Jan 7, 2010
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Nov 26, 2009
Communication regarding the transmission of the European search report
Nov 26, 2009
European search report
Jul 20, 2009
Priority document (electronically transmitted)
May 11, 2009
Submission concerning representation
Apr 8, 2009
Notification of forthcoming publication
Oct 28, 2008
Confirmation of receipt of (electronically) transmitted priority document
Oct 15, 2008
Letter concerning the priority
Oct 15, 2008
Priority document
Mar 26, 2008
Abstract
Mar 26, 2008
Claims
Mar 26, 2008
Description
Mar 26, 2008
Designation of inventor
Mar 26, 2008
Drawings
Mar 26, 2008
Request for grant of a European patent

EP2055762

CHEVRON ORONITE

Application Number: EP08251088A
Filing Date: Mar 26, 2008
Status: Revoked; Jul 24, 2025
Publication Date: Apr 28, 2021
External Links: Slate, Register , Google Patents

IP Verse

Lubricating Oil Compositions Comprising A Biodiesel Fuel And An Antioxidant

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2055762