Last Updated: September 24, 2026

XELSTRYM Drug Patent Profile


✉ Email this page to a colleague

« Back to Dashboard


Which patents cover Xelstrym, and what generic alternatives are available?

Xelstrym is a drug marketed by Noven Pharms Inc and is included in one NDA. There are four patents protecting this drug.

The generic ingredient in XELSTRYM is dextroamphetamine. There is one drug master file entry for this compound. One supplier is listed for this compound. Additional details are available on the dextroamphetamine profile page.

DrugPatentWatch® Generic Entry Outlook for Xelstrym

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be January 6, 2042. 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.

There is one tentative approval for the generic drug (dextroamphetamine), which indicates the potential for near-term generic launch.

Indicators of Generic Entry

< Available with Subscription >

  Start Trial

AI Deep Research
Questions you can ask:
  • What is the 5 year forecast for XELSTRYM?
  • What are the global sales for XELSTRYM?
  • What is Average Wholesale Price for XELSTRYM?
DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for XELSTRYM
Generic Entry Date for XELSTRYM*:
Constraining patent/regulatory exclusivity:
NDA:
Dosage:

SYSTEM;TRANSDERMAL

*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.

Pharmacology for XELSTRYM

US Patents and Regulatory Information for XELSTRYM

XELSTRYM is protected by four US patents.

Based on analysis by DrugPatentWatch, the earliest date for a generic version of XELSTRYM is ⤷  Start Trial.

This potential generic entry date is based on patent 11,559,501.

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

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Noven Pharms Inc XELSTRYM dextroamphetamine SYSTEM;TRANSDERMAL 215401-001 Mar 22, 2022 RX Yes No 9,456,993 ⤷  Start Trial Y ⤷  Start Trial
Noven Pharms Inc XELSTRYM dextroamphetamine SYSTEM;TRANSDERMAL 215401-002 Mar 22, 2022 RX Yes No 9,474,722 ⤷  Start Trial Y ⤷  Start Trial
Noven Pharms Inc XELSTRYM dextroamphetamine SYSTEM;TRANSDERMAL 215401-001 Mar 22, 2022 RX Yes No 9,474,722 ⤷  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 215401-002 Mar 22, 2022 RX Yes No 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. >Exclusivity Expiration

Expired US Patents for XELSTRYM

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Noven Pharms Inc XELSTRYM dextroamphetamine SYSTEM;TRANSDERMAL 215401-002 Mar 22, 2022 8,632,802 ⤷  Start Trial
Noven Pharms Inc XELSTRYM dextroamphetamine SYSTEM;TRANSDERMAL 215401-001 Mar 22, 2022 8,591,941 ⤷  Start Trial
Noven Pharms Inc XELSTRYM dextroamphetamine SYSTEM;TRANSDERMAL 215401-003 Mar 22, 2022 9,034,370 ⤷  Start Trial
Noven Pharms Inc XELSTRYM dextroamphetamine SYSTEM;TRANSDERMAL 215401-003 Mar 22, 2022 8,591,941 ⤷  Start Trial
Noven Pharms Inc XELSTRYM dextroamphetamine SYSTEM;TRANSDERMAL 215401-003 Mar 22, 2022 8,632,802 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for XELSTRYM

When does loss-of-exclusivity occur for XELSTRYM?

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

Argentina

Patent: 4577
Estimated Expiration: ⤷  Start Trial

Canada

Patent: 03041
Estimated Expiration: ⤷  Start Trial

China

Patent: 6997330
Estimated Expiration: ⤷  Start Trial

European Patent Office

Patent: 74555
Estimated Expiration: ⤷  Start Trial

Taiwan

Patent: 2241397
Estimated Expiration: ⤷  Start Trial

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 XELSTRYM around the world.

Country Patent Number Title Estimated Expiration
Argentina 124577 ⤷  Start Trial
Canada 3203041 ⤷  Start Trial
China 116997330 ⤷  Start Trial
European Patent Office 4274555 ⤷  Start Trial
Taiwan 202241397 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.