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

Patent Owner(s)

Patent Owner	Address
APOTEX PHARMACHEM INC	34 SPALDING DRIVE BRANTFORD N3T6B8

International Classification(s)

• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chen, Bo	Qianjiang, CN	589	3991
Chen, Hao	Tian Jin, CN	1012	6150
Liu, Lihong	Tangshan, CN	20	10
Wang, Zhi-Xian	Tianjin, CN	17	21
Xue, Yutao	Jinan, CN	2	0

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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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 19, 2013	US,8378143,B2   US8378143B2	GRANTED PATENT AS SECOND PUBLICATION
April 19, 2012	US,20120095249,A1   US20120095249A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8378143

Methods of making Efavirens and intermediates thereof

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