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

Patent Owner(s)

Patent Owner	Address
PEKING UNIVERSITY	100080 NO 5 THE SUMMER PALACE ROAD BEIJING HAIDIAN DISTRICT BEIJING CITY BEIJING CITY 100080

International Classification(s)

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

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Li, Zhongjun	Beijing, CN	5	14
Li, Zhongtang	Beijing, CN	1	0
Meng, Xiangbao	Beijing, CN	7	6
Sun, Ao	Beijing, CN	30	27
Sun, Xiaoyu	Beijing, CN	44	182
Wang, Yuchao	Beijing, CN	11	16
Yu, Yao	Beijing, CN	54	269

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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	Jun 12, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jun 12, 2032
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jun 12, 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: 2024/0408,126

BACTERIAL CAPSULAR OLIGOSACCHARIDE DERIVATIVE, PREPARATION METHOD THEREFOR, PHARMACEUTICAL COMPOSITION AND USE THEREOF

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