Last Updated: June 25, 2026

HEPZATO Drug Patent Profile


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

Hepzato is a drug marketed by Delcath Systems Inc and is included in one NDA. There are ten patents protecting this drug.

This drug has twenty-six patent family members in nine countries.

The generic ingredient in HEPZATO is melphalan hydrochloride. There are twelve drug master file entries for this compound. Sixteen suppliers are listed for this compound. Additional details are available on the melphalan hydrochloride profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Hepzato

A generic version of HEPZATO was approved as melphalan hydrochloride by MYLAN INSTITUTIONAL on June 9th, 2009.

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Summary for HEPZATO
International Patents:26
US Patents:10
Applicants:1
NDAs:1
Finished Product Suppliers / Packagers: 1
Clinical Trials: 1
DailyMed Link:HEPZATO at DailyMed
Recent Clinical Trials for HEPZATO

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Delcath Systems Inc.PHASE1
University of Wisconsin, MadisonPHASE1

See all HEPZATO clinical trials

US Patents and Regulatory Information for HEPZATO

HEPZATO is protected by eleven US patents and two FDA Regulatory Exclusivities.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Delcath Systems Inc HEPZATO melphalan hydrochloride POWDER;INTRA-ARTERIAL 201848-001 Aug 14, 2023 RX Yes Yes 11,633,528 ⤷  Start Trial ⤷  Start Trial
Delcath Systems Inc HEPZATO melphalan hydrochloride POWDER;INTRA-ARTERIAL 201848-001 Aug 14, 2023 RX Yes Yes 11,083,831 ⤷  Start Trial Y ⤷  Start Trial
Delcath Systems Inc HEPZATO melphalan hydrochloride POWDER;INTRA-ARTERIAL 201848-001 Aug 14, 2023 RX Yes Yes 11,833,286 ⤷  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

Supplementary Protection Certificates for HEPZATO

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
2701720 CA 2022 00054 Denmark ⤷  Start Trial PRODUCT NAME: MELPHALAN FLUFENAMIDE HYDROCHLORIDE; REG. NO/DATE: EU/1/22/1669 20220818
2701720 3/2023 Austria ⤷  Start Trial PRODUCT NAME: MELPHALANFLUFENAMID-HYDROCHLORID; REGISTRATION NO/DATE: EU/1/22/1669 (MITTEILUNG) 20220818
2701720 122023000007 Germany ⤷  Start Trial PRODUCT NAME: MELPHALANFLUFENAMID HYDROCHLORID; REGISTRATION NO/DATE: EU/1/22/1669 20220817
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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