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

Patent Owner(s)

Patent Owner	Address
CALLWAVE COMMUNICATIONS LLC	136 W CANON PERDIDO ST SUITE A SANTA BARBARA CA 93101

International Classification(s)

• H04M:TELEPHONIC COMMUNICATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Brahm, David J	The Woodlands, US	44	1552
Dolan, Robert A	Santa Barbara, US	32	1533
Hofstatter, David Frank	Santa Barbara, US	8	216
Kelley, Colin	Santa Barbara, US	26	775
Kirchhoff, Leland W	Santa Barbara, US	54	856
Smith, Robert F	Santa Barbara, US	121	1841
Trandal, David S	Santa Barbara, US	116	3470

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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
January 08, 2013	US,8351591,B2   US8351591B2	GRANTED PATENT AS SECOND PUBLICATION
February 03, 2011	US,20110026701,A1   US20110026701A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8351591

Methods and apparatus for providing expanded telecommunications service

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