Mark Identification

CLEARCASE

Serial Number

74142344

Filing Date

Feb 25, 1991

Registration Date

Dec 8, 1992

Trademark by

INTERNATIONAL BUSINESS MACHINES CORPORATION

Active Trademark

Classification Information

computer software; namely, a group of software products and each product individually relating to Computer Aided Software Engineering (CASE)

Electrical and Scientific Apparatus

instruction manuals, newsletters, and books the subject matter of which is computer software

Paper Goods and Printed Matter