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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK THE	535 WEST 116TH STREET 412 LOW MEMORIAL LIBRARY NEW YORK NY 10027 USA

International Classification(s)

• H04W:WIRELESS COMMUNICATION NETWORKS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Forte, Andrea G	Brooklyn , US	27	386
Rawat, Anshuman S	Jersey City , US	2	97
Schulzrinne, Henning G	Leonia , US	29	1413
Shin, Sangho	New York , US	14	199

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
December 22, 2009	US,7636336,B2   US7636336B2	GRANTED PATENT AS SECOND PUBLICATION
March 23, 2006	US,20060062183,A1   US20060062183A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7636336

Methods and systems for reducing MAC layer handoff latency in wireless networks

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