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Harvard Business School
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Last Updated: May 20, 2022

EXSERVAN Drug Patent Profile


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DrugPatentWatch® Litigation and Generic Entry Outlook for Exservan

A generic version of EXSERVAN was approved as riluzole by IMPAX LABS on January 29th, 2003.

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US Patents and Regulatory Information for EXSERVAN

EXSERVAN is protected by two US patents.

Patents protecting EXSERVAN

Uniform films for rapid dissolve dosage form incorporating taste-masking compositions
Patent Number: See Plans and Pricing
Patent Expiration: See Plans and Pricing

Uniform films for rapid-dissolve dosage form incorporating anti-tacking compositions
Patent Number: See Plans and Pricing
Patent Expiration: See Plans and Pricing

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Mitsubishi Holdings EXSERVAN riluzole FILM;ORAL 212640-001 Nov 22, 2019 RX Yes Yes See Plans and Pricing See Plans and Pricing Y See Plans and Pricing
Mitsubishi Holdings EXSERVAN riluzole FILM;ORAL 212640-001 Nov 22, 2019 RX Yes Yes See Plans and Pricing See Plans and Pricing Y See Plans and Pricing
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

International Patents for EXSERVAN

See the table below for patents covering EXSERVAN around the world.

Country Patent Number Title Estimated Expiration
Australia 2002362772 See Plans and Pricing
Canada 2468557 EMBALLAGE DESTINE DES COMPOSANTS ELECTRO-OPTIQUES (PACKAGE FOR ELECTRO-OPTICAL COMPONENTS) See Plans and Pricing
European Patent Office 2335921 Films multicouches (Multi-layer films) See Plans and Pricing
Canada 2581851 FILMS MULTICOUCHES PRESENTANT UN CONTENU UNIFORME (MULTI-LAYER FILMS HAVING UNIFORM CONTENT) See Plans and Pricing
European Patent Office 2120897 FILMS À BASE DE POLYMÈRES ET SYSTÈMES DE DÉLIVRANCE DE MÉDICAMENTS FABRIQUÉS À PARTIR DE CEUX-CI (POLYMER-BASED FILMS AND DRUG DELIVERY SYSTEMS MADE THEREFROM) See Plans and Pricing
Japan 2011068689 THIN FILM WITH NON-SELF-AGGREGATING UNIFORM HETEROGENEITY AND DRUG DELIVERY SYSTEMS MADE FROM THE SAME See Plans and Pricing
>Country >Patent Number >Title >Estimated Expiration

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Serving leading biopharmaceutical companies globally:

Dow
McKesson
Merck
Medtronic
Express Scripts
McKinsey

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