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

Patent Owner(s)

Patent Owner	Address
RISEN SUZHOU PHARMA TECH CO LTD	SUITE 501/503/505 NUSP BUILDING G 388 RUOSHUI STREET SUZHOU JIANGSU 215123 CHINA

International Classification(s)

• C07H:SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTI....
• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• A61P:THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDI....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
AI, Jinchao	Suzhou, CN	9	2
GU, Jiamin	Suzhou, CN	27	5
HE, Xiaolin	Suzhou, CN	23	12
HU, Daiqiang	Suzhou, CN	11	2
JI, Xiang	Suzhou, CN	51	64
KONG, Xianqi	Dollard-des-Ormeaux, CA	84	724
LU, Jiasheng	Shanghai, CN	32	40
LV, Xinyong	Suzhou, CN	11	2
WANG, LIN	Suzhou, CN	481	3933
WU, Dongdong	Suzhou, CN	30	52
ZHANG, Xiuchun	Suzhou, CN	11	3
ZHU, Dongqing	Suzhou, CN	7	0

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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	Jan 20, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jan 20, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jan 20, 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: 2023/0227,488

GLUCOSAMINE DERIVATIVES AND PHARMACEUTICAL USES THEREOF

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