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

Patent Owner(s)

Patent Owner	Address
TAKEDA PHARMACEUTICAL COMPANY LIMITED	OSAKA

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS
• A61P:THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDI....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
BARAWKAR, Dinesh	Maharashtra, IN	20	279
DESHPANDE, Anil M	Maharashtra, IN	2	0
JADHAV, Dilip	Maharashtra, IN	3	7
KULKARNI, Bheemashankar	Karnataka, IN	17	23
PANMAND, Anil	Maharashtra, IN	9	32
PATIL, Santosh	Maharashtra, IN	8	16
WAMAN, Yogesh	Maharashtra, IN	12	89

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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	Apr 29, 2028
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 29, 2032

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

Full Text

US Patent Application No: 2020/0339,577

1-SUBSTITUTED 1,2,3,4-TETRAHYDRO-1,7-NAPHTHYRIDIN-8-AMINE DERIVATIVES AND THEIR USE AS EP4 RECEPTOR ANTAGONISTS

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