Change of Address

BLACKBOARD BUILDING BLOCKS

Blackboard Inc.

Change Of Correspondence Address

The table below presents the data as entered.

Input Field	Entered
SERIAL NUMBER	76464138
REGISTRATION NUMBER	2775121
LAW OFFICE ASSIGNED	LAW OFFICE 108
MARK SECTION
MARK	BLACKBOARD BUILDING BLOCKS (stylized and/or with design)
CORRESPONDENCE SECTION (current)
ORIGINAL ADDRESS	PETER J. RIEBLING, KATTEN MUCHIN ZAVIS ROSENMAN 1025 THOMAS JEFFERSON ST., N.W. WASHINGTON District of Columbia 20007-5201 United States 202.857.0172 202.625-3589 peter.riebling@arterhadden.com
NEW CORRESPONDENCE ADDRESS
NEW ADDRESS	Peter J. Riebling Katten Muchin Rosenman LLP Suite 200 2900 K Street, N.W. Washington District of Columbia United States 20007-5118 202-625-3500 202-298-7570
SIGNATURE SECTION
SIGNATURE	/peter j. riebling/
SIGNATORY NAME	Peter J. Riebling
SIGNATORY DATE	08/12/2008
SIGNATORY POSITION	Attorney of Record
FILING INFORMATION SECTION
SUBMIT DATE	Tue Aug 12 03:18:03 EDT 2008
TEAS STAMP	USPTO/CCA-XX.XXX.XXX.XX-2 0080812031803774406-76270 050-400346a881fcd1ede5388 e9edbc5ae3def-N/A-N/A-200 80812031521721271

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