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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)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C07K:PEPTIDES

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kowalczyk, James J	Andover, US	10	108
Kuznetsov, Galina	Lexington, US	9	101
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
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 16, 2026

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

Full Text

US Patent Application No: 2014/0309,174

HEMIASTERLIN DERIVATIVES AND USES THEREOF IN THE TREATMENT OF CANCER

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