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

Patent Owner(s)

Patent Owner	Address
DONG-A PHARMACEUTICAL CO LTD	SEOUL 130-823

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chang, Sun Ki	Gunpo-si, KR	12	7
Kim, Heung Jae	Seongnam-si, KR	29	336
Kwak, Woo Young	Yongin-si, KR	15	62
Lim, Geun Gho	Seoul, KR	3	1
Min, Jong Pil	Yongin-si, KR	5	5
Yoo, Moohi	Seoul, KR	11	18
Yoon, Tae Hyun	Yongin-si, KR	10	10

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Aug 2, 2027

Fee	Large entity fee	small entity fee	micro entity fee
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
February 02, 2016	US,9249109,B2   US9249109B2	GRANTED PATENT AS SECOND PUBLICATION
January 22, 2015	US,20150025241,A1   US20150025241A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2015/0025,241

METHOD FOR PREPARING DIPEPTIDYL PEPTIDASE-IV INHIBITOR AND INTERMEDIATE

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