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

Patent Owner(s)

• AT&T INTELLECTUAL PROPERTY I, L.P.;SBC KNOWLEDGE VENTURES, L.P.

International Classification(s)

• H04M:TELEPHONIC COMMUNICATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bruun, Doug	San Ramon, US	2	20
Harris, Jon	Little Elm, US	39	1442
Newman, Scott	Little Elm, US	13	163
Paden, Jonathan	Austin, US	26	557

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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
May 11, 2010	US,7715536,B2   US7715536B2	GRANTED PATENT AS SECOND PUBLICATION
February 22, 2007	US,20070041538,A1   US20070041538A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7715536

Method and apparatus for reconstructing call paths in multiple telephony sessions

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