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

Patent Owner(s)

Patent Owner	Address
NEKTAR THERAPEUTICS	SAN FRANCISCO CA

International Classification(s)

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

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Culbertson, Sean M	Gurley, US	32	267
Kozlowski, Antoni	Huntsville, US	157	3552
McManus, Samuel P	Huntsville, US	106	1198
Shen, Xiaoming	Millbrae, US	76	2047
Wilson, Mark A	Burlingame, US	11	66

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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	Feb 9, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Feb 9, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 9, 2034

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
August 09, 2022	US,11406618,B2   US11406618B2	GRANTED PATENT AS SECOND PUBLICATION
May 16, 2019	US,20190142798,A1   US20190142798A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 11406618

Polymer-des-ethyl sunitinib conjugates

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