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

Patent Owner(s)

Patent Owner	Address
HOFFMANN-LA ROCHE INC	150 CLOVE ROAD OVERLOOK AT GREAT NOTCH SUITE 8 LITTLE FALLS NJ 07424

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Guo, Lei	Shanghai, CN	264	1743
Lin, Xianfeng	Shanghai, CN	26	412
Liu, Haixia	Shanghai, CN	38	328
Qiu, Zongxing	Shanghai, CN	13	208
Sheng, Hong	Shanghai, CN	3	102
Tang, Guozhi	Shanghai, CN	26	363
Wu, Guolong	Shanghai, CN	26	298
Zhang, Weixing	Shanghai, CN	44	443
Zhu, Wei	Shanghai, CN	383	5693

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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	Jul 2, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 2, 2029

Fee	Large entity fee	small entity fee	micro entity fee
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
January 02, 2018	US,9856247,B2   US9856247B2	GRANTED PATENT AS SECOND PUBLICATION
November 23, 2017	US,20170334898,A9   US20170334898A9	CORRECTED PATENT APPLICATION
February 25, 2016	US,20160052921,A1   US20160052921A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9856247

4-methyl-dihydropyrimidines for the treatment and prophylaxis of Hepatitis B virus infection

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