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

Patent Owner(s)

Patent Owner	Address
REVIVA PHARMACEUTICALS INC	SANTA CLARA CA

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bhat, Laxminarayan	Cupertino, US	48	335
Mohapatra, Prabhu Prasad	Logan, US	12	33

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 12, 2025

Fee	Large entity fee	small entity fee	micro entity fee
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
November 12, 2013	US,8580822,B2   US8580822B2	GRANTED PATENT AS SECOND PUBLICATION
October 04, 2012	US,20120252842,A1   US20120252842A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8580822

Compositions, synthesis, and methods of using indanone based cholinesterase inhibitors

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