EP3984092

THE LUBRIZOL CORPORATION
Application Number
EP20751759A
Filing Date
Jun 12, 2020
Status
Granted And Under Opposition
Feb 24, 2023
Grant Date
Mar 29, 2023
External Links
Slate, Register

Biblio Summary

The patent EP3984092B1 was granted on Mar 29, 2023 by The Lubrizol Corporation The patent is currently Granted And Under Opposition.

The table below shows 11 patent oppositions filed on the patent at EPO, listing each opposing company and filing date. Tracking these filings indicates that the applicant is active in this industry, while opposing companies may be signaling their own interest in competing within the same space. These disputes are essential for insights into competitor actions, patent strategy and emerging technological trends.

CompanyOpposition DateOpposition Status

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AFTON CHEMICAL CORPORATIONDec 29, 2023ADMISSIBLE
KREISEL ELECTRIC GMBHDec 29, 2023ADMISSIBLE
VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBBDec 29, 2023ADMISSIBLE
BOULT WADE TENNANT LLPDec 28, 2023ADMISSIBLE
HITACHI ENERGY LTDDec 28, 2023ADMISSIBLE
HOFFMANN EITLEDec 28, 2023ADMISSIBLE
TOTALENERGIES ONE TECHDec 27, 2023ADMISSIBLE
FUCHS SEDec 21, 2023ADMISSIBLE
CASTROL LIMITEDDec 20, 2023ADMISSIBLE
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.Dec 15, 2023ADMISSIBLE
M&I MATERIALS DEVELOPMENT LIMITEDNov 21, 2023ADMISSIBLE

The table below shows the patents of The Lubrizol Corporation that have been opposed by other companies.

Patent NumberTitleGrant DateOpposition Count
EP4069808Use Of Ester Base Stocks To Improve Viscosity Index And Efficiency In Driveline And Industrial Gear Lubricating FluidsAug 23, 20231
EP2137284Highly Branched Sulfonates For Drive-Line ApplicationsJun 14, 20231
EP3118286Titanium Compounds And Complexes As Additives In LubricantsAug 24, 20221