IP Verse

Use Of Lubricant Compositions For Direct Injection Engines - EP4194530

The patent EP4194530 was granted to The Lubrizol on Jan 15, 2025. The application was originally filed on Mar 22, 2016 under application number EP22206756A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4194530

THE LUBRIZOL
Application Number
EP22206756A
Filing Date
Mar 22, 2016
Status
Granted And Under Opposition
Nov 8, 2024
Grant Date
Jan 15, 2025
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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.

CompanyOpposition DateOpposition Status

Get instant alerts for new oppositions and patent status changes

AFTON CHEMICALSep 11, 2025ADMISSIBLE
INFINEUMSep 11, 2025ADMISSIBLE

Patent Citations (51) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
DESCRIPTIONEP0355895
DESCRIPTIONUS2005065045
DESCRIPTIONUS2010197536
DESCRIPTIONUS2010286414
DESCRIPTIONUS2010298185
DESCRIPTIONUS2011009300
DESCRIPTIONUS2011306528
DESCRIPTIONUS3172892
DESCRIPTIONUS3381022
DESCRIPTIONUS3634515
DESCRIPTIONUS4234435
DESCRIPTIONUS4863623
DESCRIPTIONUS5038319
DESCRIPTIONUS5503644
DESCRIPTIONUS6107257
DESCRIPTIONUS6107258
DESCRIPTIONUS6117825
DESCRIPTIONUS6153565
DESCRIPTIONUS6281179
DESCRIPTIONUS6429178
DESCRIPTIONUS6429179
DESCRIPTIONUS7285516
DESCRIPTIONUS7407919
DESCRIPTIONUS7615521
DESCRIPTIONUS7906470
DESCRIPTIONUS7951211
DESCRIPTIONUS8067347
DESCRIPTIONWO2006015130
DESCRIPTIONWO2006047486
DESCRIPTIONWO2008147704
OPPOSITIONEP2940110
OPPOSITIONEP3101095
OPPOSITIONEP3275978
OPPOSITIONJP2007112920
OPPOSITIONJP2012136989
OPPOSITIONJP2014152301
OPPOSITIONJP2015061746
OPPOSITIONJP6296503B
OPPOSITIONWO0000576
OPPOSITIONWO2008079715
OPPOSITIONWO2015042337
OPPOSITIONWO2015042340
OPPOSITIONWO2015042341
OPPOSITIONWO2015114920
OPPOSITIONWO2015171978
OPPOSITIONWO2015171980
OPPOSITIONWO2016148708
OPPOSITIONWO2016152995
SEARCHEP3505607
SEARCHJP2014152301
SEARCHWO2015042341

Non-Patent Literature (NPL) Citations (22) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- "6 PETROLEUM-BASED FUELS - AN OUTLOOK", S. P. Srivastava, Jeno Hancsók, FUELS AND FUEL­ ADDITIVES, Wiley, (2014), ISBN 978-0-470-90186-1-
OPPOSITION- Anonymous, "The Automotive Turbochargers and Superchargers Report - SupplierBusiness", IHS Automotive, (20150101), IHS Automotive, URL: https://autotechinsight.spglobal.com/_assets/sampledownloads/ihs-supplierbusiness-turbochargers2015-sample_1423042908.pdf, XP093316742-
OPPOSITION- Chabot Bob, "Resolving Low-Speed Pre-ignition", MOTOR magazine, (20170101), MOTOR magazine, URL: https://www.motor.com/magazine-summary/resolving-low-speed-pre-ignition/#:~:text=Unless%20resolved%2C%20LSPI%20is%20a,emissions%20across%20their%20vehicle%20fleets., (20210602), XP055809844-
OPPOSITION- D13 - Declaration of Matthew Gieselman signed 25.10.18 filed by the patentee at the USPTO during the prosecution of USSN 15/022,345 (derived from the same PCT application as D1)-
OPPOSITION- D14 - Patentee letter of 21-10-21 filed on parent case EP3274428-
OPPOSITION- D15 - The online article cited by the patentee in D14-
OPPOSITION- D21 - JSME definition for supercharger-
OPPOSITION- D33 - Declaration by Dr. Andrew Ritchie dated 10 September 2025-
OPPOSITION- D34 - Proprietor’s response to opposition to EP 3 842 508 dated 22 August 2025-
OPPOSITION- D3a - Submission of 05.04.19 filed by applicant on EP 3039105-
OPPOSITION- D3b - Submission of 01.08.19 filed by applicant on EP 3039105-
OPPOSITION- D3c - Communication of 18.12.19 issued by EPO on EP 3039105-
OPPOSITION- D3d - Submission of 27.04.20 filed by applicant on EP 3039105-
OPPOSITION- D3e - Summons of 17.07.20 issued by EPO on EP 3039105-
OPPOSITION- Ena A. Bardasz, Gordon D. Lamb, "Chapter 19: Additives for Crankcase Lubricant Applications", Lubricant Additives - Chemistry and Applications, CRC Press Inc , (20090101), pages 457 - 492, ISBN 978-1-4200-5964-9, XP009555728-
OPPOSITION- Seddon, Friend, Roski, "Detergents and dispersants", Chemistry and technology of lubricants, (20100101), pages 213 - 236, XP009141227-
OPPOSITION- Vâclav Stëpina, Vâclav Vesely, LUBRICANTS AND SPECIAL FLUIDS, Elsevier, (1992), page 315-319, ISBN 0-444-98674-X-
OPPOSITION- Manfred Amann, Terrence Alger, Darius Mehta, "The Effect of EGR on Low-Speed Pre-Ignition in Boosted SI Engines", SAE International Journal of Engines, SAE International, (20110615), vol. 4, no. 1, doi:10.4271/2011-01-0339, ISSN 1946-3944, pages 235 - 245, XP055642366
OPPOSITION- Akram Zahdeh, Peter Rothenberger, Wai Nguyen, Muniappan Anbarasu, Simon Schmuck-Soldan, Jörg Schaefer, Thomas Goebel, "Fundamental Approach to Investigate Pre-Ignition in Boosted SI Engines", SAE International Journal of Engines, (20110615), vol. 4, no. 1, doi:10.4271/2011-01-0340, ISSN 19463944, pages 246 - 273, XP055203891
OPPOSITION- Kazuo Takeuchi, Kosuke Fujimoto, Satoshi Hirano, Minoru Yamashita, "Investigation of Engine Oil Effect on Abnormal Combustion in Turbocharged Direct Injection - Spark Ignition Engines", SAE International Journal of Fuels and Lubricants, (20120130), vol. 5, no. 3, doi:10.4271/2012-01-1615, ISSN 19463960, pages 1017 - 1024, XP055203823
OPPOSITION- Kosuke Fujimoto, Minoru Yamashita, Satoshi Hirano, Katsuyoshi Kato, Izumi Watanabe, Koki Ito, "Engine Oil Development for Preventing Pre-Ignition in Turbocharged Gasoline Engine", SAE International Journal of Fuels and Lubricants, S A E Inc., US, US , (20140415), vol. 7, no. 3, doi:10.4271/2014-01-2785, ISSN 1946-3960, pages 869 - 874, XP055248491
SEARCH- MANFRED AMANN ET AL, "The Effect of EGR on Low-Speed Pre-Ignition in Boosted SI Engines", SAE INTERNATIONAL JOURNAL OF ENGINES, US, (20110412), vol. 4, no. 1, doi:10.4271/2011-01-0339, ISSN 1946-3944, pages 235 - 245, XP055642366 [A] 1 * page 236, column r, lines 1-5 *

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

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