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tavalisse Drug Patent Profile

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

Tavalisse is a drug marketed by Rigel Pharms and is included in one NDA. There are fourteen patents protecting this drug and one Paragraph IV challenge.

This drug has one hundred and eighteen patent family members in forty-five countries.

The generic ingredient in TAVALISSE is fostamatinib disodium. One supplier is listed for this compound. Additional details are available on the fostamatinib disodium profile page.

DrugPatentWatch^® Generic Entry Outlook for Tavalisse

Tavalisse was eligible for patent challenges on April 17, 2022.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be July 27, 2032. This may change due to patent challenges or generic licensing.

There has been one patent litigation case involving the patents protecting this drug, indicating strong interest in generic launch. Recent data indicate that 63% of patent challenges are decided in favor of the generic patent challenger and that 54% of successful patent challengers promptly launch generic drugs.

Indicators of Generic Entry

Summary for tavalisse

International Patents:	118
US Patents:	14
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	1
Raw Ingredient (Bulk) Api Vendors:	194
Clinical Trials:	3
Patent Applications:	1,140
Drug Prices:	Drug price information for tavalisse
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for tavalisse
What excipients (inactive ingredients) are in tavalisse?	tavalisse excipients list
DailyMed Link:	tavalisse at DailyMed

See drug prices for tavalisse

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

NDA:

209299

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 tavalisse

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

Sponsor	Phase
Holdsworth House Medical Practice	Phase 2
Washington University School of Medicine	Phase 2
Rigel Pharmaceuticals	Phase 2

See all tavalisse clinical trials

Paragraph IV (Patent) Challenges for TAVALISSE

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
TAVALISSE	Tablets	fostamatinib disodium	100 mg and 150 mg	209299	1	2022-04-18

US Patents and Regulatory Information for tavalisse

tavalisse is protected by fourteen 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 tavalisse

FDA Regulatory Exclusivity protecting tavalisse

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Rigel Pharms	TAVALISSE	fostamatinib disodium	TABLET;ORAL	209299-002	Apr 17, 2018		RX	Yes	Yes			Y
Rigel Pharms	TAVALISSE	fostamatinib disodium	TABLET;ORAL	209299-002	Apr 17, 2018		RX	Yes	Yes			Y
Rigel Pharms	TAVALISSE	fostamatinib disodium	TABLET;ORAL	209299-001	Apr 17, 2018		RX	Yes	No
Rigel Pharms	TAVALISSE	fostamatinib disodium	TABLET;ORAL	209299-002	Apr 17, 2018		RX	Yes	Yes
Rigel Pharms	TAVALISSE	fostamatinib disodium	TABLET;ORAL	209299-002	Apr 17, 2018		RX	Yes	Yes			Y

International Patents for tavalisse

When does loss-of-exclusivity occur for tavalisse?

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

Argentina

Australia

Brazil

Canada

China

Croatia

Cyprus

Denmark

Eurasian Patent Organization

European Patent Office

Hong Kong

Hungary

Japan

Lithuania

Mexico

Poland

Portugal

Serbia

Slovenia

South Korea

Spain

Taiwan

Turkey

Uruguay

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 tavalisse around the world.

Country	Patent Number	Title	Estimated Expiration
Taiwan	201311251	New (trimethoxyphenylamino) pyrimidinyl formulations
Denmark	2217241
Canada	2673137	PROMEDICAMENTS DE COMPOSES DE 2,4-PYRIMIDINEDIAMINE ET LEURSUTILISATIONS (PRODRUG SALTS OF 2, 4-PYRIMIDINEDIAMINE COMPOUNDS AND THEIR USES)
Portugal	2736487
Poland	2217241

Supplementary Protection Certificates for tavalisse

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1856135	C20200009 00319	Estonia		PRODUCT NAME: FOSTAMATINIIB;REG NO/DATE: EU/1/19/1405 13.01.2020
1856135	PA2020507,C1856135	Lithuania		PRODUCT NAME: FOSTAMATINIBO DINATRIO HEKSAHIDRATAS; REGISTRATION NO/DATE: EU/1/19/1405 20200109
1856135	C 2020 014	Romania		PRODUCT NAME: SUPPLEMENTARY PROTECTION CERTIFICATE; NATIONAL AUTHORISATION NUMBER: C 2020 014; DATE OF NATIONAL AUTHORISATION: RO; NUMBER OF FIRST AUTHORISATION IN EUROPEAN ECONOMIC AREA (EEA): 1856135; DATE OF FIRST AUTHORISATION IN EEA: 20220530
1856135	SPC/GB20/016	United Kingdom		PRODUCT NAME: FOSTAMATINIB OR A PHARMACEUTICALLY ACCEPTABLE SALT OF FOSTAMATINIB, OR A HYDRATE, SOLVATE OR N-OXIDE OF FOSTAMATINIB OR THE PHARMACEUTICALLY ACCEPTABLE SALT OF FOSTAMATINIB, ESPECIALLY FOSTAMATINIB DISODIUM, OPTIONALLY IN FORM OF A HYDRATE; REGISTERED: UK EU/1/19/1405 (NI) 20200113; UK PLGB 12930/0022 20200113; UK PLGB 12930/0023 20200113
1856135	301039	Netherlands		PRODUCT NAME: FOSTAMATINIB OF EEN FARMACEUTISCH AANVAARDBAAR ZOUT VAN FOSTAMATINIB, OF EEN HYDRAAT, SOLVAAT OF N-OXIDE VAN FOSTAMATINIB OF HET FARMACEUTISCH AANVAARDBARE ZOUT VAN FOSTAMATINIB, IN HET BIJZONDER DINATRIUMFOSTAMATINIB EVENTUEEL IN DE VORM VAN EEN HYDRAAT; REGISTRATION NO/DATE: EU/1/19/1405 20200113