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

Patent Owner(s)

Patent Owner	Address
EISAI CO LTD	6-10 KOISHIKAWA 4-CHOME BUNKYO-KU TOKYO

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Campagna, Silvio A	Candia , US	4	29
Fang, Francis G	Andover , US	63	1220
Kowalczyk, James J	Andover , US	10	108
Schiller, Shawn	Haverhill , US	28	273
Seletsky, Boris M	Andover , US	19	448
Spyvee, Mark	Hampstead , US	48	677
Yang, Hu	Andover , US	82	646

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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
September 08, 2009	US,7585976,B2   US7585976B2	GRANTED PATENT AS SECOND PUBLICATION
July 13, 2006	US,20060154872,A1   US20060154872A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7585976

Hemiasterlin derivatives and uses thereof

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