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

Patent Owner(s)

Patent Owner	Address
NATIONAL INSTITUTES FOR FOOD AND DRUG CONTROL	100050 NO 2 WEST LANE TIANTAN BEIJING DONGCHENG DISTRICT BEIJING CITY BEIJING CITY 100050

International Classification(s)

• A61P:THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDI....
• C07J:STEROIDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
He, Lan	Beijing, CN	2	0
Liu, Yang	Beijing, CN	1941	7962
Lu, Zhonglin	Beijing, CN	3	1
Shi, Yan	Beijing, CN	112	842
Wu, Xiangxiang	Beijing, CN	1	0
Xiong, Jing	Beijing, CN	27	88
Zhang, Na	Beijing, CN	248	911
Zhu, Xin	Beijing, CN	30	118

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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	Jul 9, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jul 9, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 9, 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 09, 2024	US,11866459,B2   US11866459B2	GRANTED PATENT AS SECOND PUBLICATION
September 09, 2021	US,20210277049,A1   US20210277049A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2021/0277,049

COCRYSTAL OF PROGESTERONE AND PREPARATION METHOD AND USE THEREOF

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