GleanMark

LEF Trademark

LEF is a USPTO trademark filed by Exxon Mobil Corporation. Status: Abandoned.

Trademark Facts

MarkLEF
Serial Number90688948
StatusAbandoned
Filing Date2021-05-04
Mark TypeWord
Nice Classes001 (Chemicals), 037 (Construction), 042 (Software & IT), 045 (Legal Services)
OwnerExxon Mobil Corporation
Attorney of RecordSpoorthy Gudavalli
Prosecution Events43
Latest EventMAB6 on 2025-11-17

Goods & Services

Providing technical assistance and support, namely, providing technical advice regarding the installation, repair, and maintenance of petrochemical equipment used for petroleum refining; chemical fuel additives; catalysts for use in the manufacture of fuel; Licensing of intellectual property; Industrial design services

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