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

Patent Owner(s)

• APPLE INC.

International Classification(s)

• H04W:WIRELESS COMMUNICATION NETWORKS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chen, Lanpeng	Beijing, CN	9	13
Guo, Shu	Beijing, CN	64	92
Hu, Haijing	Los Gatos, US	561	1123
Li, Fang	Beijing, CN	113	294
Liang, Huarui	Beijing, CN	145	1465
Qiao, Xiaoyu	Beijing, CN	10	45
Xu, Fangli	Beijing, CN	507	1766
Zhang, Dawei	Saratoga, US	1645	3397

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Aug 6, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Aug 6, 2032
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Aug 6, 2036

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

Full Text

US Patent Application No: 2025/0048,192

VOICE-SERVICE PROVISIONING FOR INTER-OPERATOR ROAMING

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