Process For Producing Lubricant Base Oil And Lubricating Oil Composition

Patent No. EP2581437 (titled "Process For Producing Lubricant Base Oil And Lubricating Oil Composition") was filed by JX Nippon OIL & Energy on Oct 7, 2009. The application was issued on May 1, 2019.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
SASOL SOUTH AFRICA LIMITED	Jan 27, 2017	KADOR & PARTNER PARTG MBB

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

Apr 4, 2019
Decision to maintain the European patent in amended form
Apr 4, 2019
Decision to maintain the European patent in amended form
Mar 29, 2019
Termination of the opposition proceedings with maintenance of patent
Mar 25, 2019
(Electronic) Receipt
Mar 25, 2019
Filing of the translation of the amended claims
Mar 25, 2019
French translation of claims
Mar 25, 2019
German translation of the claims
Mar 25, 2019
Letter accompanying subsequently filed items
Jan 9, 2019
Communication to opponent concerning maintenance
Jan 9, 2019
Communication with request to file translations
Dec 21, 2018
Maintenance of the patent with the documents specified in the final decision
Sep 4, 2018
Advice of delivery
Sep 4, 2018
Advice of delivery
Sep 3, 2018
Advice of delivery
Aug 30, 2018
Annex to the communication - opposition
Aug 30, 2018
Decision of the Opposition Division and instruction
Aug 30, 2018
Druckexemplar in opposition procedure
Aug 30, 2018
Grounds for the decision (Annex) - opposition
Aug 30, 2018
Interlocutory decision in opposition proceedings
Aug 30, 2018
Internal form - Opposition/addressees
Aug 30, 2018
Internal form - Opposition/addressees
Aug 30, 2018
Means of redress
Aug 30, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 30, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 30, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 30, 2018
Provision of a copy of the minutes - opposition procedure
Aug 30, 2018
Scanned annex to a communication - opposition procedure
Aug 30, 2018
Scanned annex to a communication - opposition procedure
Aug 30, 2018
Scanned annex to a communication - opposition procedure
Aug 30, 2018
Scanned annex to a communication - opposition procedure
Aug 30, 2018
Scanned annex to a communication - opposition procedure
Aug 30, 2018
Scanned annex to a communication - opposition procedure
Aug 30, 2018
Scanned annex to a communication - opposition procedure
Aug 30, 2018
Scanned annex to a communication - opposition procedure
Aug 9, 2018
Communication of amended entries
Jul 12, 2018
Submission concerning change of applicant's name
Jun 27, 2018
Information about the result of oral proceedings
Jun 5, 2018
Brief communication - Opposition proceedings
Jun 4, 2018
Communication of amended entries
May 22, 2018
Request concerning representative opponent
May 4, 2018
Brief communication - Opposition proceedings
May 2, 2018
Brief communication - Opposition proceedings
Apr 26, 2018
Non-patent literature cited during the opposition procedure
Apr 26, 2018
Non-patent literature cited during the opposition procedure
Apr 26, 2018
Non-patent literature cited during the opposition procedure
Apr 26, 2018
Non-patent literature cited during the opposition procedure
Apr 26, 2018
Patent document cited during the opposition procedure
Apr 26, 2018
Patent document cited during the opposition procedure
Apr 26, 2018
Written submission in preparation to/during oral proceedings
Apr 25, 2018
Brief communication - Opposition proceedings
Apr 23, 2018
Brief communication - Opposition proceedings
Apr 23, 2018
Request for interpreters during oral proceedings
Apr 18, 2018
Amended claims with annotations
Apr 18, 2018
Claims
Apr 18, 2018
Written submission in preparation to/during oral proceedings
Apr 16, 2018
Request for interpreters during oral proceedings
Dec 21, 2017
Advice of delivery
Dec 8, 2017
Advice of delivery
Dec 6, 2017
Advice of delivery
Dec 5, 2017
Advice of delivery
Dec 4, 2017
Advice of delivery
Nov 30, 2017
Acknowledgement of a document
Nov 30, 2017
Acknowledgement of a document
Nov 30, 2017
Annex to the communication - opposition
Nov 30, 2017
Information concerning oral proceedings
Nov 30, 2017
Preparation for oral proceedings
Nov 30, 2017
Summons to attend oral proceedings
Nov 30, 2017
Summons to attend oral proceedings
Aug 16, 2017
Brief communication - Opposition proceedings
Aug 8, 2017
Reply of the patent proprietor to the notice(s) of opposition
May 3, 2017
Brief communication - Opposition proceedings
Apr 25, 2017
Request concerning the applicant/representative
Apr 10, 2017
Communication of a notice of opposition and request to file observations
Apr 10, 2017
Notice of further oppositions to opponent(s)
Feb 20, 2017
Communication of a notice of opposition - first information to patent proprietor
Jan 27, 2017
Letter regarding the opposition procedure (no time limit)
Jan 27, 2017
Non-patent literature cited during the opposition procedure
Jan 27, 2017
Non-patent literature cited during the opposition procedure
Jan 27, 2017
Non-patent literature cited during the opposition procedure
Jan 27, 2017
Non-patent literature cited during the opposition procedure
Jan 27, 2017
Non-patent literature cited during the opposition procedure
Jan 27, 2017
Non-patent literature cited during the opposition procedure
Jan 27, 2017
Non-patent literature cited during the opposition procedure
Jan 27, 2017
Notice of opposition
Jan 27, 2017
Patent document cited during the opposition procedure
Jan 27, 2017
Patent document cited during the opposition procedure
Jan 27, 2017
Patent document cited during the opposition procedure
Jan 27, 2017
Patent document cited during the opposition procedure
Jan 27, 2017
Patent document cited during the opposition procedure
Jan 27, 2017
Patent document cited during the opposition procedure
Jan 27, 2017
Patent document cited during the opposition procedure
Jan 27, 2017
Payment of fees and costs
Apr 28, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 1, 2016
Decision to grant a European patent
Feb 26, 2016
Filing of the translations of the claims
Feb 26, 2016
French translation of claims
Feb 26, 2016
German translation of the claims
Feb 26, 2016
Payment of fees and costs
Dec 11, 2015
Bibliographic data of the European patent application
Dec 11, 2015
Communication about intention to grant a European patent
Dec 11, 2015
Intention to grant (signatures)
Dec 11, 2015
Text intended for grant (clean copy)
Dec 11, 2015
Text intended for grant (version for approval)
Feb 24, 2015
Submission concerning representation
Jan 23, 2015
CDS Clean up - amended data concerning the representative of the applicant (Association)
Oct 2, 2014
Decision to allow further processing
Sep 18, 2014
Claims
Sep 18, 2014
Description
Sep 18, 2014
Payment of fees and costs
Sep 18, 2014
Request for further processing
Jul 14, 2014
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Jun 24, 2014
Refusal of request for extension of time limit
Jun 10, 2014
Request for extension of time limit to communication from the Examining Division
Apr 24, 2014
Grant of extension of time limit (examination procedure)
Apr 14, 2014
Request for extension of time limit to communication from the Examining Division
Dec 5, 2013
Annex to the communication
Dec 5, 2013
Communication from the Examining Division
Nov 28, 2013
Acknowledgement of receipt of third party observations
Nov 28, 2013
Transmittal of third party observations to applicant
Nov 21, 2013
(Electronic) Receipt
Nov 21, 2013
Letter accompanying subsequently filed items
Nov 21, 2013
Observations by third parties
Nov 21, 2013
Patent document filed by a Third party
Nov 21, 2013
Patent document filed by a Third party
Nov 21, 2013
Reply to communication to third party
Oct 17, 2013
Amended claims filed after receipt of (European) search report
Oct 17, 2013
Amended description filed after receipt of (European) search report
Oct 17, 2013
Amendments received before examination
Oct 17, 2013
Payment of fees and costs
Apr 22, 2013
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Apr 3, 2013
Refund of fees
Mar 20, 2013
Notification of forthcoming publication
Mar 18, 2013
Communication regarding the transmission of the European search report
Mar 18, 2013
European search opinion
Mar 18, 2013
European search report
Mar 4, 2013
Communication to designated inventor
Mar 4, 2013
Communication to designated inventor
Feb 8, 2013
Information relating to the filing of a voluntary divisional application
Jan 9, 2013
Abstract
Jan 9, 2013
Claims
Jan 9, 2013
Description
Jan 9, 2013
Designation of inventor
Jan 9, 2013
Payment of fees and costs
Jan 9, 2013
Request for grant of a European patent
May 6, 2010
Priority document (electronically transmitted)
May 6, 2010
Priority document (electronically transmitted)
May 6, 2010
Priority document (electronically transmitted)

EP2581437

JX NIPPON OIL & ENERGY

Application Number: EP13000091A
Filing Date: Oct 7, 2009
Status: Patent Maintained As Amended; Mar 29, 2019
Publication Date: May 1, 2019
External Links: Slate, Register , Google Patents

IP Verse

Process For Producing Lubricant Base Oil And Lubricating Oil Composition

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2581437