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

Patent Owner(s)

Patent Owner	Address
HUTCHISON MEDIPHARMA ENTERPRISES LIMITED	NASSAU

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
CUI, Yumin	Shanghai, CN	18	67
REN, Yongxin	Shanghai, CN	14	36
SU, Wei-Guo	Shanghai, CN	60	343
YAN, Xiaoqiang	Shanghai, CN	43	182
YANG, Haibin	Shanghai, CN	13	11
ZHANG, Weihan	Shanghai, CN	39	93

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 22, 2025

Fee	Large entity fee	small entity fee	micro entity fee
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: 2013/0217,661

QUINAZOLINE DERIVATIVES

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