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

Patent Owner(s)

Patent Owner	Address
CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD	NO 369 YUZHOU SOUTH RD LIANYUNGANG JIANGSU 222062 222062

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• A61P:THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDI....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
CHEN, Li	Nanjing City, Jiangsu Province, CN	997	9317
FENG, Fan	Nanjing City, Jiangsu Province, CN	21	18
HAN, XI	Nanjing City, Jiangsu Province, CN	12	26
MA, Ruiting	Nanjing City, Jiangsu Province, CN	2	0
WANG, Xunqiang	Nanjing City, Jiangsu Province, CN	24	50
WU, Naiying	Nanjing City, Jiangsu Province, CN	3	0
ZHAO, Ying	Nanjing City, Jiangsu Province, CN	160	1687

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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	Apr 12, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Apr 12, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 12, 2035

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: 2023/0321,104

USE OF PYRIDO[1,2-A]PYRIMIDINONE COMPOUND IN TREATING PERIPHERAL T CELL LYMPHOMA

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