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

Patent Owner(s)

Patent Owner	Address
THE HONG KONG POLYTECHNIC UNIVERSITY	HUNG HOM KOWLOON HONG KONG
LIU JUEWEN	364 RED OSIER ROAD WATERLOO N2V 2V8
CENTRE FOR EYE AND VISION RESEARCH LIMITED	UNITS 901-903 17W HONG KONG SCIENCE PARK PAK SHEK KOK NEW TERRITORIES HONG KONG
LIU YIBO	QNC 5609 UNIVERSITY AVE W WATERLOO N2L 3G1

International Classification(s)

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

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
LIU, JUEWEN	Waterloo, CA	33	524
LIU, YIBO	Waterloo, CA	50	475
WONG, KA-YING	Kowloon, HK	2	0
WONG, MAN-SAU	Kowloon, HK	2	0

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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	Feb 8, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Feb 8, 2032
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 8, 2036

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

Full Text

US Patent Application No: 2024/0261,220

APTAMER FUNCTIONALIZED LIPOSOMES FOR DELIVERY OF OCULAR DRUG FOR EYE DISEASES

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