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

Patent Owner(s)

Patent Owner	Address
OMEROS CORPORATION	201 ELLIOTT AVENUE WEST SEATTLE WA 98119

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• A61P:THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDI....
• C07K:PEPTIDES

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Demopulos, Gregory A	Mercer Island, US	156	2397
Ferguson, Kenneth M	Seattle, US	19	67
Lambert, William Joseph	Seattle, US	11	50
Whitaker, John Steven	Seattle, US	5	22

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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	Oct 18, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Oct 18, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Oct 18, 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
April 18, 2023	US,11628217,B2   US11628217B2	GRANTED PATENT AS SECOND PUBLICATION
June 07, 2018	US,20180153988,A1   US20180153988A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 11628217

Highly concentrated low viscosity MASP-2 inhibitory antibody formulations, kits, and methods

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