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

Patent Owner(s)

Patent Owner	Address
ULTRAGENYX PHARMACEUTICAL INC	60 LEVERONI COURT NOVATO CA 94949

International Classification(s)

• C07H:SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTI....
• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Jungles, Steven	Novato, US	25	85
Kaskkis, Emil	Novato, US	1	8
Zhao, He	Madison, US	95	470

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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	Mar 23, 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 23, 2014	US,8840926,B2   US8840926B2	GRANTED PATENT AS SECOND PUBLICATION
May 16, 2013	US,20130122094,A1   US20130122094A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8840926

Sialic acid analogs

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