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

Patent Owner(s)

Patent Owner	Address
ABBVIE INC	1 NORTH WAUKEGAN ROAD D-V377 / AP34-2 NORTH CHICAGO IL 60064-6008

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kempf, Dale J	Libertyville, IL	108	1847
Norbeck, Daniel W	Crystal Lake, IL	72	1300
Sham, Hing Leung	Gurnee, IL	22	416
Zhao, Chen	Gurnee, IL	342	2300

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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 No: 5635523

Retroviral protease inhibiting compounds

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