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

Patent Owner(s)

Patent Owner	Address
EISAI R&D MANAGEMENT CO LTD	TOKYO
NATIONAL CANCER CENTER	1-1 TSUKIJI 5-CHOME CHUO-KU TOKYO 1040045 ?1040045

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
ARAI, Yasuhito	Tokyo, JP	2	1
MIYANO, Saori	Tsukuba, JP	8	2
NAKAMURA, Tomio	Tokyo, JP	16	83
NOMOTO, Kenichi	Andover, US	22	111
SHIBATA, Tatsuhiro	Tokyo, JP	6	47
TSURUOKA, Akihiko	Tokyo, JP	29	753

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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	Oct 18, 2026
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Oct 18, 2030

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: 2019/0111,043

THERAPEUTIC AGENT FOR BILE DUCT CANCER

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