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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	CALIFORNIA USA CALIFORNIA

International Classification(s)

• C07K:PEPTIDES

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chang, Robert C	Burlingame , US	74	3464
Kivirikko, Kari	Oulu , FI	3	42
Neff, Thomas B	Atherton , US	64	1330
Olsen, David R	Menlo Park , US	19	674
Polarek, James W	Sausalito , US	14	554

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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

Full Text

US Patent Application No: 2009/0143,568

Recombinant gelatins

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