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XOSPATA Drug Patent Profile

When do Xospata patents expire, and what generic alternatives are available?

Xospata is a drug marketed by Astellas and is included in one NDA. There are eight patents protecting this drug and one Paragraph IV challenge.

This drug has seventy-five patent family members in thirty-one countries.

The generic ingredient in XOSPATA is gilteritinib fumarate. One supplier is listed for this compound. Additional details are available on the gilteritinib fumarate profile page.

DrugPatentWatch^® Generic Entry Outlook for Xospata

Xospata was eligible for patent challenges on November 28, 2022.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be July 1, 2036. This may change due to patent challenges or generic licensing.

There is one Paragraph IV patent challenge for this drug. This may lead to patent invalidation or a license for generic production.

Indicators of Generic Entry

Summary for XOSPATA

International Patents:	75
US Patents:	8
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	1
Raw Ingredient (Bulk) Api Vendors:	78
Clinical Trials:	10
Patent Applications:	179
Drug Prices:	Drug price information for XOSPATA
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for XOSPATA
What excipients (inactive ingredients) are in XOSPATA?	XOSPATA excipients list
DailyMed Link:	XOSPATA at DailyMed

See drug prices for XOSPATA

DrugPatentWatch^® Estimated Loss of Exclusivity (LOE) Date for XOSPATA

NDA:

211349

Dosage:

TABLET;ORAL

^*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

Recent Clinical Trials for XOSPATA

Identify potential brand extensions & 505(b)(2) entrants

Sponsor	Phase
Kura Oncology, Inc.	Phase 1
French Innovative Leukemia Organisation	Phase 2
Acute Leukemia French Association	Phase 2

See all XOSPATA clinical trials

Paragraph IV (Patent) Challenges for XOSPATA

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
XOSPATA	Tablets	gilteritinib fumarate	40 mg	211349	1	2022-11-28

US Patents and Regulatory Information for XOSPATA

XOSPATA is protected by eight US patents and one FDA Regulatory Exclusivity.

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Patents protecting XOSPATA

FDA Regulatory Exclusivity protecting XOSPATA

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Astellas	XOSPATA	gilteritinib fumarate	TABLET;ORAL	211349-001	Nov 28, 2018		RX	Yes	Yes
Astellas	XOSPATA	gilteritinib fumarate	TABLET;ORAL	211349-001	Nov 28, 2018		RX	Yes	Yes			Y
Astellas	XOSPATA	gilteritinib fumarate	TABLET;ORAL	211349-001	Nov 28, 2018		RX	Yes	Yes			Y
Astellas	XOSPATA	gilteritinib fumarate	TABLET;ORAL	211349-001	Nov 28, 2018		RX	Yes	Yes			Y
Astellas	XOSPATA	gilteritinib fumarate	TABLET;ORAL	211349-001	Nov 28, 2018		RX	Yes	Yes			Y
Astellas	XOSPATA	gilteritinib fumarate	TABLET;ORAL	211349-001	Nov 28, 2018		RX	Yes	Yes			Y

International Patents for XOSPATA

When does loss-of-exclusivity occur for XOSPATA?

Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:

Canada

China

Croatia

Denmark

European Patent Office

Finland

Hong Kong

Hungary

Japan

Lithuania

Mexico

Philippines

Poland

Portugal

Russian Federation

Serbia

Slovenia

South Korea

Spain

Taiwan

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

See the table below for additional patents covering XOSPATA around the world.

Country	Patent Number	Title	Estimated Expiration
Poland	2428508
South Korea	20120007523	DIAMINO HETEROCYCLIC CARBOXAMIDE COMPOUND
World Intellectual Property Organization (WIPO)	2010128659
Mexico	2011011875	COMPUESTO DE CARBOXAMIDA HETEROCICLICA DIAMINO. (DIAMINO HETEROCYCLIC CARBOXAMIDE COMPOUND.)
Russian Federation	2526253	ДИАМИНОГЕТЕРОЦИКЛИЧЕСКОЕ КАРБОКСАМИДНОЕ СОЕДИНЕНИЕ (DIAMINOHETEROCYCLIC CARBOXAMIDE COMPOUND)
Hungary	S000511

Supplementary Protection Certificates for XOSPATA

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
2428508	PA2020002,C2428508	Lithuania		PRODUCT NAME: GILTERITINIBAS ARBA JO DRUSKA; REGISTRATION NO/DATE: EU/1/19/1399 20191024
2428508	132020000000016	Italy		PRODUCT NAME: GILTERITINIB E SUOI SALI(XOSPATA); AUTHORISATION NUMBER(S) AND DATE(S): EU/1/19/1399, 20191028
2428508	2020001	Norway		PRODUCT NAME: GILTERITINIB ELLER ET SALT DERAV; REG. NO/DATE: EU/1/19/1399 20191030
2428508	PA2020002	Lithuania		PRODUCT NAME: GILTERITINIBAS; REGISTRATION NO/DATE: EU/1/19/1399 20191024
2428508	C202030004	Spain		PRODUCT NAME: GILTERITINIB O UNA SAL DEL MISMO NOMBRE; NATIONAL AUTHORISATION NUMBER: EU/1/19/1399; DATE OF AUTHORISATION: 20191024; NUMBER OF FIRST AUTHORISATION IN EUROPEAN ECONOMIC AREA (EEA): EU/1/19/1399; DATE OF FIRST AUTHORISATION IN EEA: 20191024
2428508	CR 2020 00006	Denmark		PRODUCT NAME: GILTERITINIB ELLER ET SALT DERAF; REG. NO/DATE: EU/1/19/1399 20191028