Last Updated: May 3, 2026

RELEXXII Drug Patent Profile


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

Relexxii is a drug marketed by Osmotica Pharm Us and is included in one NDA. There are five patents protecting this drug.

This drug has four patent family members in four countries.

The generic ingredient in RELEXXII is methylphenidate hydrochloride. There are thirty-two drug master file entries for this compound. Forty-five suppliers are listed for this compound. Additional details are available on the methylphenidate hydrochloride profile page.

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Summary for RELEXXII
International Patents:4
US Patents:5
Applicants:1
NDAs:1

US Patents and Regulatory Information for RELEXXII

RELEXXII is protected by five US patents.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Osmotica Pharm Us RELEXXII methylphenidate hydrochloride TABLET, EXTENDED RELEASE;ORAL 216117-007 Jun 23, 2022 RX Yes Yes 10,265,308 ⤷  Start Trial Y ⤷  Start Trial
Osmotica Pharm Us RELEXXII methylphenidate hydrochloride TABLET, EXTENDED RELEASE;ORAL 216117-006 Jun 23, 2022 RX Yes No 9,855,258 ⤷  Start Trial Y ⤷  Start Trial
Osmotica Pharm Us RELEXXII methylphenidate hydrochloride TABLET, EXTENDED RELEASE;ORAL 216117-007 Jun 23, 2022 RX Yes Yes 9,855,258 ⤷  Start Trial Y ⤷  Start Trial
Osmotica Pharm Us RELEXXII methylphenidate hydrochloride TABLET, EXTENDED RELEASE;ORAL 216117-006 Jun 23, 2022 RX Yes No 9,827,234 ⤷  Start Trial ⤷  Start Trial
Osmotica Pharm Us RELEXXII methylphenidate hydrochloride TABLET, EXTENDED RELEASE;ORAL 216117-001 Jun 23, 2022 RX Yes No 10,695,336 ⤷  Start Trial ⤷  Start Trial
Osmotica Pharm Us RELEXXII methylphenidate hydrochloride TABLET, EXTENDED RELEASE;ORAL 216117-004 Jun 23, 2022 RX Yes No 9,855,258 ⤷  Start Trial Y ⤷  Start Trial
Osmotica Pharm Us RELEXXII methylphenidate hydrochloride TABLET, EXTENDED RELEASE;ORAL 216117-005 Jun 23, 2022 RX Yes No 9,827,234 ⤷  Start Trial ⤷  Start Trial
>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 RELEXXII

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

Country Patent Number Title Estimated Expiration
Canada 2992767 FORME DE DOSAGE A LIBERATION CONTROLEE RESISTANT A LA LIBERATION MASSIVE (DOSE-DUMPING RESISTANT CONTROLLED RELEASE DOSAGE FORM) ⤷  Start Trial
Argentina 109157 FORMA DE DOSIFICACIÓN DE LIBERACIÓN CONTROLADA RESISTENTE A LA LIBERACIÓN ABRUPTA DE LA DOSIS ⤷  Start Trial
Canada 2992767 ⤷  Start Trial
Uruguay 37344 ⤷  Start Trial
Chile 2017001919 Forma de dosificación de liberación controlada resistente a la liberación abrupta de la dosis. ⤷  Start Trial
Chile 2017001919 ⤷  Start Trial
Uruguay 37344 FORMA DE DOSIFICACIÓN DE LIBERACIÓN CONTROLADA RESISTENTE A LA LIBERACIÓN ABRUPTA DE LA DOSIS ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

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