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

Patent Owner(s)

Patent Owner	Address
XENCOR INC	465 NORTH HALSTEAD STREET SUITE 200 PASADENA CA 91107

International Classification(s)

• C07K:PEPTIDES

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chirino, Arthur J	Camarillo, US	43	2054
Dang, Wei	Pasadena, US	86	4361
Desjarlais, John	Pasadena, US	142	2835
Doberstein, Stephen K	San Francisco, US	28	311
Hayes, Robert J	Radnor, US	62	4306
Karki, Sher Bahadur	Santa Monica, US	139	6592
Lazar, Gregory Alan	Indianapolis, US	159	7599
Vafa, Omid	Monrovia, US	85	4291

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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	Jun 18, 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: 2014/0370,021

OPTIMIZED Fc VARIANTS AND METHODS FOR THEIR GENERATION

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