Last Updated: July 18, 2026

COLISTIMETHATE Drug Patent Profile


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Which patents cover Colistimethate, and when can generic versions of Colistimethate launch?

Colistimethate is a drug marketed by Avet Lifesciences, Fresenius Kabi Usa, Nexus, Pharmobedient, Sagent Pharms Inc, and Xellia Pharms Aps. and is included in six NDAs.

The generic ingredient in COLISTIMETHATE is colistimethate sodium. There are two drug master file entries for this compound. Five suppliers are listed for this compound. Additional details are available on the colistimethate sodium profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Colistimethate

A generic version of COLISTIMETHATE was approved as colistimethate sodium by FRESENIUS KABI USA on April 17th, 2008.

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Summary for COLISTIMETHATE
US Patents:0
Applicants:6
NDAs:6
Drug Prices: Drug price information for COLISTIMETHATE
What excipients (inactive ingredients) are in COLISTIMETHATE?COLISTIMETHATE excipients list
DailyMed Link:COLISTIMETHATE at DailyMed

US Patents and Regulatory Information for COLISTIMETHATE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Avet Lifesciences COLISTIMETHATE SODIUM colistimethate sodium INJECTABLE;INJECTION 202359-001 Sep 28, 2012 AP RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pharmobedient COLISTIMETHATE SODIUM colistimethate sodium INJECTABLE;INJECTION 064216-001 Feb 26, 1999 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Fresenius Kabi Usa COLISTIMETHATE SODIUM colistimethate sodium INJECTABLE;INJECTION 065364-001 Apr 17, 2008 AP 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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