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

Patent Owner(s)

Patent Owner	Address
CALGENT BIOTECHNOLOGY CO LTD	TAIPEI CITY 11047

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C07D:HETEROCYCLIC COMPOUNDS
• A61P:THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDI....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Liou, Jing-ping	Taipei, TW	30	281
Pan, Shiow-lin	Taipei, TW	29	173
Yen, Yun	Arcadia, US	45	156

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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	Sep 5, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Sep 5, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Sep 5, 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
March 05, 2024	US,11919858,B2   US11919858B2	GRANTED PATENT AS SECOND PUBLICATION
May 14, 2020	US,20200148643,A1   US20200148643A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 11919858

Aminonapthoquinone compounds and pharmaceutical composition for blocking ubiquitination-proteasome system in diseases

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