Mark Identification

TUMBLEWEED IME INTEGRATED MESSAGING EXCHANGE

Serial Number

76036747

Filing Date

Apr 28, 2000

Registration Date

Feb 19, 2002

Trademark by

TUMBLEWEED COMMUNICATIONS CORP.

Classification Information

Computer software for use in controlling computer viruses, restricting access to electronic messages, and enabling network communications and document delivery of electronic communications through encryption

Electrical and Scientific Apparatus

ELECTRONIC TRANSMISSION OF DATA FEATURING ENCRYPTION AND DECRYPTION

Telecommunications

COMPUTER SECURITY SERVICES, NAMELY, DATA ENCRYPTION, NOTIFYING COMPANIES OF COMPUTER VIRUSES, AND RESTRICTING ACCESS TO SENSITIVE ELECTRONIC DOCUMENTS

Computer and Scientific