Last Updated: August 23, 2026

Details for Patent: 7,928,115

Name: Drug Patent Intelligence for US Patent 7928115
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

✉ Email this page to a colleague

« Back to Dashboard

Which drugs does patent 7,928,115 protect, and when does it expire?

Patent 7,928,115 protects XIFAXAN and is included in one NDA.

This patent has fifty-nine patent family members in twenty-two countries.

Summary for Patent: 7,928,115

Title:	Methods of treating travelers diarrhea and hepatic encephalopathy
Abstract:	Treatment of traveler's diarrhea in subjects having hepatic encephalopathy using rifaximin is disclosed.
Inventor(s):	William Forbes, Enoch Bortey
Assignee:	Salix Pharmaceuticals Inc
Application Number:	US12/957,831
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 7,928,115
Patent Claim Types: see list of patent claims	Use; Dosage form;

Drugs Protected by US Patent 7,928,115

Glossary

Subscribe to access the full database, or Start Trial
Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Salix Pharms	XIFAXAN	rifaximin	TABLET;ORAL	021361-001	May 25, 2004		RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial				METHOD OF TREATING TRAVELERS' DIARRHEA	⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

International Family Members for US Patent 7,928,115

Subscribe to access the full database, or Start Trial
Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2009298389	⤷ Start Trial
Australia	2010260089	⤷ Start Trial
Australia	2010271070	⤷ Start Trial
Brazil	PI0920465	⤷ Start Trial
Brazil	PI1010028	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.