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

Patent Owner(s)

Patent Owner	Address
ABBOTT DIABETES CARE INC	1360 SOUTH LOOP ROAD ALAMEDA CA 94502

International Classification(s)

• C12Q:MEASURING OR TESTING PROCESSES INVOLVING ENZYMES O....
• G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
• A61B:DIAGNOSIS; SURGERY; IDENTIFICATION

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Cho, Hyun	Berkeley, US	120	7164
Feldman, Benjamin J	Berkeley, US	284	31635
Hoss, Udo	Castro Valley, US	213	10535
Liu, Zenghe	Alameda, US	130	5363

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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	Aug 20, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Aug 20, 2029

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Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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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
February 20, 2018	US,9895091,B2   US9895091B2	GRANTED PATENT AS SECOND PUBLICATION
September 17, 2015	US,20150257688,A1   US20150257688A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9895091

Reference electrodes having an extended lifetime for use in long term amperometric sensors

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