Withdrawal of Attorney

VARCO

Varco I/P, Inc.

Withdrawal of Attorney

UNITED STATES DEPARTMENT OF COMMERCE

Commissioner for Trademarks

P.O. Box 1451

Alexandria, VA 22313-1451

www.uspto.gov

CHRISTINA J. HIEBER November 29, 2006

FINNEGAN, HENDERSON, FARABOW,

GARRETT & DUNNER, L.L.P.

901 NEW YORK AVENUE, N.W.

WASHINGTON, D.C. 20001-4413

Serial No: 76/350098

Applicant: Varco I/P, Inc.

Mark: VARCO

ACKNOWLEDGEMENT OF REQUEST TO WITHDRAW AS ATTORNEY OF RECORD

UNDER 37 C.F.R. SECTIONS 2.19(b) AND 10.40

Your petition to withdraw as the attorney of record in the above-identified application was received on October 10, 2006. It meets the requirements of 37 C.F.R. & 10.40 and is hereby granted.

All communications regarding this application will be directed to the new attorney of record.

Sincerely,

Pamela Smith

Paralegal Specialist

ITU/Divisional Unit

571/272-9509

571/273-9509 Fax

cc: Varco I/P, Inc.

10000 Richmond Avenue

Houston, TX 77042

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