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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	1-1 DOSHOMACHI 4-CHOME CHUO-KU OSAKA-SHI OSAKA

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C07D:HETEROCYCLIC COMPOUNDS
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hitchcock, Stephen	San Diego, US	42	136
Hopkins, Maria	San Diego, US	20	66
Kikuchi, Shota	San Diego, US	28	102
Macklin, Todd	San Diego, US	17	65
Monenschein, Holger	San Diego, US	48	257
Reichard, Holly	San Diego, US	24	81
Sun, Huikai	San Diego, US	23	72

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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	Sep 15, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Sep 15, 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

Full Text

US Patent Application No: 2018/0072,758

5HT3 RECEPTOR ANTAGONISTS

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