Last Updated: November 8, 2026

BUMEX Drug Patent Profile

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

Bumex is a drug marketed by Validus Pharms and is included in two NDAs.

The generic ingredient in BUMEX is bumetanide. There is one drug master file entry for this compound. Forty suppliers are listed for this compound. Additional details are available on the bumetanide profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Bumex

A generic version of BUMEX was approved as bumetanide by SAGENT on January 27th, 1995.

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Summary for BUMEX
US Patents:0
Applicants:1
NDAs:2
Finished Product Suppliers / Packagers: 3
Raw Ingredient (Bulk) Api Vendors: 79
Patent Applications: 4,597
What excipients (inactive ingredients) are in BUMEX?BUMEX excipients list
DailyMed Link:BUMEX at DailyMed
Pharmacology for BUMEX
Drug ClassLoop Diuretic
Physiological EffectIncreased Diuresis at Loop of Henle

US Patents and Regulatory Information for BUMEX

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Validus Pharms BUMEX bumetanide INJECTABLE;INJECTION 018226-001 Feb 28, 1983 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Validus Pharms BUMEX bumetanide TABLET;ORAL 018225-003 Jun 14, 1985 AB RX Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Validus Pharms BUMEX bumetanide TABLET;ORAL 018225-002 Feb 28, 1983 AB RX Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Validus Pharms BUMEX bumetanide TABLET;ORAL 018225-001 Feb 28, 1983 AB RX Yes 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

Expired US Patents for BUMEX

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Validus Pharms BUMEX bumetanide TABLET;ORAL 018225-002 Feb 28, 1983 ⤷  Start Trial ⤷  Start Trial
Validus Pharms BUMEX bumetanide TABLET;ORAL 018225-003 Jun 14, 1985 ⤷  Start Trial ⤷  Start Trial
Validus Pharms BUMEX bumetanide INJECTABLE;INJECTION 018226-001 Feb 28, 1983 ⤷  Start Trial ⤷  Start Trial
Validus Pharms BUMEX bumetanide TABLET;ORAL 018225-003 Jun 14, 1985 ⤷  Start Trial ⤷  Start Trial
Validus Pharms BUMEX bumetanide TABLET;ORAL 018225-001 Feb 28, 1983 ⤷  Start Trial ⤷  Start Trial
Validus Pharms BUMEX bumetanide TABLET;ORAL 018225-003 Jun 14, 1985 ⤷  Start Trial ⤷  Start Trial
Validus Pharms BUMEX bumetanide TABLET;ORAL 018225-002 Feb 28, 1983 ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for BUMEX

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

Country Patent Number Title Estimated Expiration
Austria 308069 ⤷  Start Trial
Belgium 743744 ⤷  Start Trial
Bulgaria 17812 ⤷  Start Trial
Brazil 6915200 ⤷  Start Trial
Switzerland 532559 Verfahren zur Herstellung von Sulfamylbenzoesäure-Derivaten und deren Verwendung ⤷  Start Trial
Cyprus 697 New sulphamyl-benzoic acid derivatives ⤷  Start Trial
Germany 1964503 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

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