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

Patent Owner(s)

Patent Owner	Address
FIBROGEN INC	409 ILLINOIS STREET SAN FRANCISCO CA 94158

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C07D:HETEROCYCLIC COMPOUNDS
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
• C07K:PEPTIDES

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Guenzler-Pukall, Volkmar	Marburg, DE	48	1237
Klaus, Stephen J	Boston, US	57	1115
Langsetmo, Parobok Ingrid	Fremont, US	25	358
Molineaux, Christopher J	San Francisco, US	30	498
Neff, Thomas B	Atherton, US	64	1330
Seeley, Todd W	Moraga, US	33	681
Stephenson, Robert C	Foster City, US	17	305

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Oct 21, 2027
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Oct 21, 2031

Fee	Large entity fee	small entity fee	micro entity fee
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
April 21, 2020	US,10626090,B2   US10626090B2	GRANTED PATENT AS SECOND PUBLICATION
September 21, 2017	US,20170267641,A1   US20170267641A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2017/0267,641

Enhanced Erythropoiesis and Iron Metabolism

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