Last Updated: June 11, 2026

LIOTHYRONINE Drug Patent Profile


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

Liothyronine is a drug marketed by Xgen Pharms, Biocon Pharma, Dr Reddys Labs Sa, Pharmobedient, Sigmapharm Labs Llc, Sun Pharm, Teva Pharms Usa, Watson Labs, and Zydus Lifesciences. and is included in ten NDAs.

The generic ingredient in LIOTHYRONINE is liothyronine sodium. There are four drug master file entries for this compound. Nineteen suppliers are listed for this compound. Additional details are available on the liothyronine sodium profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Liothyronine

A generic version of LIOTHYRONINE was approved as liothyronine sodium by XGEN PHARMS on August 17th, 2005.

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US Patents and Regulatory Information for LIOTHYRONINE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Xgen Pharms LIOTHYRONINE SODIUM liothyronine sodium INJECTABLE;INJECTION 076923-001 Aug 17, 2005 RX No Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Teva Pharms Usa LIOTHYRONINE SODIUM liothyronine sodium TABLET;ORAL 211510-002 Oct 26, 2018 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Zydus Lifesciences LIOTHYRONINE SODIUM liothyronine sodium TABLET;ORAL 214803-003 Jan 22, 2021 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Dr Reddys Labs Sa LIOTHYRONINE SODIUM liothyronine sodium TABLET;ORAL 090097-003 Mar 20, 2009 AB RX No No ⤷  Start Trial ⤷  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

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