Last Updated: November 8, 2026

Details for Patent: 11,559,501

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Which drugs does patent 11,559,501 protect, and when does it expire?

Patent 11,559,501 protects XELSTRYM and is included in one NDA.

This patent has six patent family members in six countries.

Summary for Patent: 11,559,501
Title:Transdermal amphetamine compositions with low levels of carbamate
Abstract:Described are methods for reducing the formation of amphetamine carbamate and amphetacarbamate in transdermal amphetamine compositions, compositions with low levels of amphetacarbamate, and methods using such compositions for transdermal delivery of amphetamine.
Inventor(s):Atsushi Sonobe, Deboprosad Mondal, Naruhito Higo
Assignee: Noven Pharmaceuticals Inc
Application Number:US17/569,862
Patent Claim Types:
see list of patent claims
Composition; Compound; Delivery;

Drugs Protected by US Patent 11,559,501

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Noven Pharms Inc XELSTRYM dextroamphetamine SYSTEM;TRANSDERMAL 215401-001 Mar 22, 2022 RX Yes No 11,559,501 ⤷  Start Trial Y ⤷  Start Trial
Noven Pharms Inc XELSTRYM dextroamphetamine SYSTEM;TRANSDERMAL 215401-002 Mar 22, 2022 RX Yes No 11,559,501 ⤷  Start Trial Y ⤷  Start Trial
Noven Pharms Inc XELSTRYM dextroamphetamine SYSTEM;TRANSDERMAL 215401-003 Mar 22, 2022 RX Yes No 11,559,501 ⤷  Start Trial Y ⤷  Start Trial
Noven Pharms Inc XELSTRYM dextroamphetamine SYSTEM;TRANSDERMAL 215401-004 Mar 22, 2022 RX Yes Yes 11,559,501 ⤷  Start Trial Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 11,559,501

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 124577 ⤷  Start Trial
Canada 3203041 ⤷  Start Trial
China 116997330 ⤷  Start Trial
European Patent Office 4274555 ⤷  Start Trial
Taiwan 202241397 ⤷  Start Trial
World Intellectual Property Organization (WIPO) 2022150430 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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