XIFAXAN Drug Patent Profile
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Which patents cover Xifaxan, and when can generic versions of Xifaxan launch?
Xifaxan is a drug marketed by Salix Pharms and is included in one NDA. There are twenty-nine patents protecting this drug and two Paragraph IV challenges.
This drug has two hundred and sixteen patent family members in forty countries.
The generic ingredient in XIFAXAN is rifaximin. There are fourteen drug master file entries for this compound. Three suppliers are listed for this compound. Additional details are available on the rifaximin profile page.
DrugPatentWatch® Generic Entry Outlook for Xifaxan
Xifaxan was eligible for patent challenges on May 25, 2008.
By analyzing the patents and regulatory protections it appears that the earliest date
for generic entry will be September 2, 2027. This may change due to patent challenges or generic licensing.
There have been eight patent litigation cases involving the patents protecting this drug, indicating strong interest in generic launch. Recent data indicate that 63% of patent challenges are decided in favor of the generic patent challenger and that 54% of successful patent challengers promptly launch generic drugs.
There are two tentative approvals for the generic drug (rifaximin), which indicates the potential for near-term generic launch.
Indicators of Generic Entry
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Questions you can ask:
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Summary for XIFAXAN
| International Patents: | 216 |
| US Patents: | 29 |
| Applicants: | 1 |
| NDAs: | 1 |
| Finished Product Suppliers / Packagers: | 3 |
| Raw Ingredient (Bulk) Api Vendors: | 55 |
| Clinical Trials: | 39 |
| Patent Applications: | 4,693 |
| Drug Prices: | Drug price information for XIFAXAN |
| Patent Litigation and PTAB cases: | See patent lawsuits and PTAB cases for XIFAXAN |
| What excipients (inactive ingredients) are in XIFAXAN? | XIFAXAN excipients list |
| DailyMed Link: | XIFAXAN at DailyMed |
DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for XIFAXAN
*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.
Recent Clinical Trials for XIFAXAN
Identify potential brand extensions & 505(b)(2) entrants
| Sponsor | Phase |
|---|---|
| MetroHealth Medical Center | Phase 3 |
| Ronnie Fass, MD | Phase 3 |
| Cedars-Sinai Medical Center | Phase 1/Phase 2 |
Pharmacology for XIFAXAN
| Drug Class | Rifamycin Antibacterial |
US Patents and Regulatory Information for XIFAXAN
XIFAXAN is protected by forty US patents.
Based on analysis by DrugPatentWatch, the earliest date for a generic version of XIFAXAN is ⤷ Sign Up.
This potential generic entry date is based on patent ⤷ Sign Up.
Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.
Patents protecting XIFAXAN
Methods of treating hepatic encephalopathy
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: REDUCTION IN RISK OF OVERT HEPATIC ENCEPHALOPATHY (HE) RECURRENCE
Methods of treating hepatic encephalopathy
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: REDUCTION IN A SUBJECT'S RISK OF EXPERIENCING A BREAKTHROUGH OVERT HEPATIC ENCEPHALOPATHY (HE) EPISODE
Methods for treating irritable bowel syndrome (IBS)
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF IRRITABLE BOWEL SYNDROME WITH DIARRHEA (IBS-D) IN ADULTS 65 YEARS OF AGE OR OLDER AND SYMPTOMS THEREOF
Methods for treating irritable bowel syndrome (IBS)
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF IRRITABLE BOWEL SYNDROME WITH DIARRHEA (IBS-D) IN ADULTS 65 YEARS OF AGE OR OLDER
Polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparations
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF IRRITABLE BOWEL SYNDROME WITH DIARRHEA (IBS-D) IN ADULTS.
Polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparations
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF TRAVELERS' DIARRHEA (TD) CAUSED BY NONINVASIVE STRAINS OF ESCHERIA COLI IN ADULT AND PEDIATRIC PATIENTS 12 YEARS OF AGE AND OLDER
Polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparations
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: REDUCTION IN RISK OF OVERT HEPATIC ENCEPHALOPATHY (HE) RECURRENCE IN ADULTS
Methods of treating hepatic encephalopathy
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: REDUCTION IN A SUBJECT'S RISK OF EXPERIENCING A BREAKTHROUGH OVERT HEPATIC ENCEPHALOPATHY (HE) EPISODE
Methods for treating irritable bowel syndrome (IBS)
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF IRRITABLE BOWEL SYNDROME WITH DIARRHEA (IBS-D) IN ADULTS 65 YEARS OF AGE OR OLDER
Methods for treating irritable bowel syndrome (IBS)
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF IRRITABLE BOWEL SYNDROME WITH DIARRHEA (IBS-D) IN ADULTS 65 YEARS OF AGE OR OLDER AND SYMPTOMS THEREOF
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF IRRITABLE BOWEL SYNDROME WITH DIARRHEA (IBS-D) IN ADULT FEMALE SUBJECTS AND SYMPTOMS THEREOF
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF IRRITABLE BOWEL SYNDROME WITH DIARRHEA (IBS-D) IN ADULT FEMALE SUBJECTS
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF BLOATING ASSOCIATED WITH DIARRHEA-PREDOMINANT IRRITABLE BOWEL SYNDROME (IBS-D) IN ADULT FEMALE SUBJECTS
Polymorphous forms of rifaximin, processes for their production and use thereof in medicinal preparations
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Polymorphic forms .alpha., .beta., and .gamma. of rifaximin
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Polymorphic forms .alpha., .beta. and .gamma. of rifaximin
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Pharmaceutical compositions comprising polymorphic forms .alpha., .beta., and .gamma. of rifaximin
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Use of polymorphic forms of rifaximin for medical preparations
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF IRRITABLE BOWEL SYNDROME WITH DIARRHEA (IBS-D) IN ADULTS.
Use of polymorphic forms of rifaximin for medical preparations
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF IRRITABLE BOWEL SYNDROME WITH DIARRHEA (IBS-D) IN ADULTS AND SYMPTOMS THEREOF.
Methods of treating travelers diarrhea and hepatic encephalopathy
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: METHOD OF TREATING TRAVELERS' DIARRHEA
Pharmaceutical compositions comprising polymorphic forms .alpha., .beta., and .gamma. of rifaximin
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Polymorphic forms .alpha., .beta. and .gamma. of rifaximin
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparations
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparations
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF IRRITABLE BOWEL SYNDROME WITH DIARRHEA (IBS-D) IN ADULTS AND SYMPTOMS THEREOF.
Polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparations
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF IRRITABLE BOWEL SYNDROME WITH DIARRHEA (IBS-D) IN ADULTS.
Methods for treating diarrhea-associated irritable bowel syndrome
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF IRRITABLE BOWEL SYNDROME WITH DIARRHEA (IBS-D) IN ADULTS.
Methods for treating diarrhea-associated irritable bowel syndrome
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF IRRITABLE BOWEL SYNDROME WITH DIARRHEA (IBS-D) IN ADULTS AND SYMPTOMS THEREOF.
Polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparations
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Methods of treating hepatic encephalopathy
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: REDUCTION IN RISK OF OVERT HEPATIC ENCEPHALOPATHY (HE) RECURRENCE
Polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparations
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: THE TREATMENT OF PATIENTS WITH TRAVELERS' DIARRHEA (TD) OR THE REDUCTION IN RISK OF OVERT HEPATIC ENCEPHALOPATHY (HE) RECURRENCE
Polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparations
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF IRRITABLE BOWEL SYNDROME WITH DIARRHEA (IBS-D) IN ADULTS.
Polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparations
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF IRRITABLE BOWEL SYNDROME WITH DIARRHEA (IBS-D) IN ADULTS AND SYMPTOMS THEREOF.
Methods of treating traveler's diarrhea and hepatic encephalopathy
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATMENT OF PATIENTS WITH HEPATIC ENCEPHALOPATHY (HE)
Polymorphic forms .alpha., .beta. and .gamma. of rifaximin
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Pharmaceutical compositions comprising polymorphic forms .alpha., .beta., and .gamma. of rifaximin
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Methods of treating traveler's diarrhea and hepatic encephalopathy
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: REDUCTION IN RISK OF OVERT HEPATIC ENCEPHALOPATHY (HE) RECURRENCE
Methods of treating hepatic encephalopathy
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: REDUCTION IN RISK OF OVERT HEPATIC ENCEPHALOPATHY (HE) RECURRENCE
Polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparations
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Methods of treating hepatic encephalopathy
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: REDUCTION IN RISK OF OVERT HEPATIC ENCEPHALOPATHY (HE) RECURRENCE
Methods of treating traveler's diarrhea and hepatic encephalopathy
Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: REDUCTION IN RISK OF OVERT HEPATIC ENCEPHALOPATHY (HE) IN ADULTS
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Exclusivity Expiration |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Salix Pharms | XIFAXAN | rifaximin | TABLET;ORAL | 021361-002 | Mar 24, 2010 | RX | Yes | Yes | ⤷ Sign Up | ⤷ Sign Up | ⤷ Sign Up | ||||
| Salix Pharms | XIFAXAN | rifaximin | TABLET;ORAL | 021361-002 | Mar 24, 2010 | RX | Yes | Yes | ⤷ Sign Up | ⤷ Sign Up | ⤷ Sign Up | ||||
| Salix Pharms | XIFAXAN | rifaximin | TABLET;ORAL | 021361-002 | Mar 24, 2010 | RX | Yes | Yes | ⤷ Sign Up | ⤷ Sign Up | Y | ⤷ Sign Up | |||
| Salix Pharms | XIFAXAN | rifaximin | TABLET;ORAL | 021361-002 | Mar 24, 2010 | RX | Yes | Yes | ⤷ Sign Up | ⤷ Sign Up | Y | Y | ⤷ Sign Up | ||
| Salix Pharms | XIFAXAN | rifaximin | TABLET;ORAL | 021361-002 | Mar 24, 2010 | RX | Yes | Yes | ⤷ Sign Up | ⤷ Sign Up | Y | ⤷ Sign Up | |||
| Salix Pharms | XIFAXAN | rifaximin | TABLET;ORAL | 021361-002 | Mar 24, 2010 | RX | Yes | Yes | ⤷ Sign Up | ⤷ Sign Up | ⤷ Sign Up | ||||
| Salix Pharms | XIFAXAN | rifaximin | TABLET;ORAL | 021361-002 | Mar 24, 2010 | RX | Yes | Yes | ⤷ Sign Up | ⤷ Sign Up | ⤷ Sign Up | ||||
| >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 XIFAXAN
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | Patent No. | Patent Expiration |
|---|---|---|---|---|---|---|---|
| Salix Pharms | XIFAXAN | rifaximin | TABLET;ORAL | 021361-001 | May 25, 2004 | ⤷ Sign Up | ⤷ Sign Up |
| Salix Pharms | XIFAXAN | rifaximin | TABLET;ORAL | 021361-001 | May 25, 2004 | ⤷ Sign Up | ⤷ Sign Up |
| Salix Pharms | XIFAXAN | rifaximin | TABLET;ORAL | 021361-001 | May 25, 2004 | ⤷ Sign Up | ⤷ Sign Up |
| Salix Pharms | XIFAXAN | rifaximin | TABLET;ORAL | 021361-002 | Mar 24, 2010 | ⤷ Sign Up | ⤷ Sign Up |
| Salix Pharms | XIFAXAN | rifaximin | TABLET;ORAL | 021361-002 | Mar 24, 2010 | ⤷ Sign Up | ⤷ Sign Up |
| Salix Pharms | XIFAXAN | rifaximin | TABLET;ORAL | 021361-002 | Mar 24, 2010 | ⤷ Sign Up | ⤷ Sign Up |
| Salix Pharms | XIFAXAN | rifaximin | TABLET;ORAL | 021361-002 | Mar 24, 2010 | ⤷ Sign Up | ⤷ Sign Up |
| >Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >Patent No. | >Patent Expiration |
International Patents for XIFAXAN
When does loss-of-exclusivity occur for XIFAXAN?
Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:
Australia
Patent: 06222312
Patent: New polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal
Estimated Expiration: ⤷ Sign Up
Brazil
Patent: 0608073
Patent: formas polimorfas de rifaximina, processos para sua produção e uso das mesmas em composições medicinais
Estimated Expiration: ⤷ Sign Up
Canada
Patent: 94789
Patent: NOUVELLES FORMES POLYMORPHES DE RIFAXIMINE, LEURS PROCEDES DE PREPARATION ET LEUR UTILISATION EN MEDECINE (NEW POLYMORPHOUS FORMS OF RIFAXIMIN, PROCESSES FOR THEIR PRODUCTION AND USE THEREOF IN THE MEDICINAL)
Estimated Expiration: ⤷ Sign Up
China
Patent: 00077
Patent: New polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparations
Estimated Expiration: ⤷ Sign Up
Croatia
Patent: 0070433
Patent: NOVI POLIMORFNI OBLICI RIFAKSIMINA, POSTUPCI NJIHOVE PRIPREME I NJIHOVA MEDICINSKA UPOTREBA (NEW POLYMORPHOUS FORMS OF RIFAXIMIN, PROCESSES FOR THEIR PRODUCTION AND USE THEREOF IN THE MEDICINAL)
Estimated Expiration: ⤷ Sign Up
Denmark
Patent: 98630
Estimated Expiration: ⤷ Sign Up
European Patent Office
Patent: 98630
Patent: Nouvelles formes polymorphes du rifaximin, procédés pour leur préparation et leur utilisation en tant que médicaments (New polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparations)
Estimated Expiration: ⤷ Sign Up
Hong Kong
Patent: 96396
Patent: NEW POLYMORPHOUS FORMS OF RIFAXIMIN, PROCESSES FOR THEIR PRODUCTION AND USE THEREOF IN THE MEDICINAL PREPARATIONS
Estimated Expiration: ⤷ Sign Up
Japan
Patent: 37825
Estimated Expiration: ⤷ Sign Up
Patent: 08531623
Estimated Expiration: ⤷ Sign Up
Patent: 13216710
Patent: NEW POLYMORPHISM OF RIFAXIMIN, ITS PRODUCING METHOD AND ITS USE IN PHARMACEUTICAL PREPARATIONS
Estimated Expiration: ⤷ Sign Up
Mexico
Patent: 07010742
Patent: NUEVAS FORMAS POLIMORFAS DE RIFAXIMINA, PROCEDIMIENTOS PARA SU PRODUCCION Y USO DE LA MISMA EN PREPARACIONES MEDICINALES. (NEW POLYMORPHOUS FORMS OF RIFAXIMIN, PROCESSES FOR THEIR PRODUCTION AND USE THEREOF IN THE MEDICINAL.)
Estimated Expiration: ⤷ Sign Up
Moldova, Republic of
Patent: 81
Estimated Expiration: ⤷ Sign Up
Patent: 070265
Patent: Forme polimorfe de rifaximina, procedeu deobtinere a lor si utilizarea lor la fabricarea preparatelor medicamentoase (Polymorphous forms of rifaximin, process for their production and use thereof for production of medicinal preparations)
Estimated Expiration: ⤷ Sign Up
Montenegro
Patent: 272
Patent: NOVI POLIMORFNI OBLICI RIFAKSIMINA, POSTUPAK NJIHOVE PROIZVODNJE I NJIHOVA UPOTREBA U MEDICINSKIM PREPARATIMA (NEW POLYMORPHOUS FORMS OF RIFAXIMIN, PROCESSES FOR THEIR PRODUCTION AND USE THEREOF IN THE MEDICINAL)
Estimated Expiration: ⤷ Sign Up
Patent: 4408
Patent: NOVI POLIMORFNI OBLICI RIFAKSIMINA, POSTUPAK NJIHOVE PROIZVODNJE I NJIHOVA UPOTREBA U MEDICINSKIM PREPARATIMA (NEW POLYMORPHOUS FORMS OF RIFAXIMIN, PROCESSES FOR THEIR PRODUCTION AND USE THEREOF IN THE MEDICINAL)
Estimated Expiration: ⤷ Sign Up
Morocco
Patent: 345
Patent: NOUVELLES FORMES POLYMORPHES DE RIFAXIMINE, LEURS PROCEDES DE PREPARATION ET LEUR UTILISATION EN MEDECINE.
Estimated Expiration: ⤷ Sign Up
New Zealand
Patent: 6737
Patent: New polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparations
Estimated Expiration: ⤷ Sign Up
Norway
Patent: 2197
Estimated Expiration: ⤷ Sign Up
Patent: 074988
Estimated Expiration: ⤷ Sign Up
Poland
Patent: 98630
Estimated Expiration: ⤷ Sign Up
Portugal
Patent: 98630
Estimated Expiration: ⤷ Sign Up
Russian Federation
Patent: 97985
Patent: НОВЫЕ ПОЛИМОРФНЫЕ ФОРМЫ РИФАКСИМИНА, СПОСОБЫ ИХ ПОЛУЧЕНИЯ И ИХ ПРИМЕНЕНИЕ В ЛЕКАРСТВЕННЫХ ПРЕПАРАТАХ (NOVEL POLYMORPHOUS FORMS OF RIFAXIMIN, SYNTHESIS METHODS AND USE THEREOF IN MEDICINAL PREPARATIONS)
Estimated Expiration: ⤷ Sign Up
Patent: 07136430
Patent: НОВЫЕ ПОЛИМОРФНЫЕ ФОРМЫ РИФАКСИМИНА, СПОСОБЫ ИХ ПОЛУЧЕНИЯ И ИХ ПРИМЕНЕНИЕ В ЛЕКАРСТВЕННЫХ ПРЕПАРАТАХ
Estimated Expiration: ⤷ Sign Up
Serbia
Patent: 570
Patent: NOVI POLIMORFNI OBLICI RIFAKSIMINA, POSTUPAK NJIHOVE PROIZVODNJE I NJIHOVA UPOTREBA U MEDICINSKIM PREPARATIMA (NEW POLYMORPHOUS FORMS OF RIFAXIMIN, PROCESSES FOR THEIR PRODUCTION AND USE THEREOF IN THE MEDICINAL)
Estimated Expiration: ⤷ Sign Up
Patent: 070364
Patent: NOVI POLIMORFNI OBLICI RIFAKSIMINA, POSTUPAK NJIHOVE PROIZVODNJE I NJIHOVA UPOTREBA U MEDICINSKIM PREPARATIMA (NEW POLYMORPHOUS FORMS OF RIFAXIMIN, PROCESSES FOR THEIR PRODUCTION AND USE THEREOF IN THE MEDICINAL)
Estimated Expiration: ⤷ Sign Up
Slovenia
Patent: 98630
Estimated Expiration: ⤷ Sign Up
South Africa
Patent: 0707397
Patent: New polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparations
Estimated Expiration: ⤷ Sign Up
South Korea
Patent: 0885755
Estimated Expiration: ⤷ Sign Up
Patent: 060096242
Patent: NEW POLYMORPHOUS FORMS OF RIFAXIMIN, PROCESSES FOR THEIR PRODUCTION AND USE THEREOF IN MEDICINAL PREPARATIONS
Estimated Expiration: ⤷ Sign Up
Spain
Patent: 22895
Estimated Expiration: ⤷ Sign Up
Tunisia
Patent: 07292
Patent: NEW POLYMORPHOUS FORMS OF RIFAXIMIN,PROCESSES FOR THEIR PRODUCTION AND USE THEREOF IN THE MEDICINAL
Estimated Expiration: ⤷ Sign Up
Ukraine
Patent: 809
Patent: НОВЫЕ ПОЛИМОРФНЫЕ ФОРМЫ РИФАКСИМИНА, СПОСОБ ИХ ПОЛУЧЕНИЯ И ИХ ПРИМЕНЕНИЕ В МЕДИЦИНСКИХ ПРЕПАРАТАХ;НОВІ ПОЛІМОРФНІ ФОРМИ РИФАКСИМІНУ, СПОСІБ ЇХ ОТРИМАННЯ ТА ЇХ ЗАСТОСУВАННЯ У МЕДИЧНИХ ПРЕПАРАТАХ (NEW POLYMORPHOUS FORMS OF RIFAXIMIN, PROCESS FOR THEIR PRODUCTION AND USE THEREOF IN THE MEDICINAL)
Estimated Expiration: ⤷ Sign Up
Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.
See the table below for additional patents covering XIFAXAN around the world.
| Country | Patent Number | Title | Estimated Expiration |
|---|---|---|---|
| Spain | 2522895 | ⤷ Sign Up | |
| China | 1613858 | Polymorphous forms of rifaximin, processes for their production and use thereof in medicinal preparations | ⤷ Sign Up |
| South Korea | 100855084 | ⤷ Sign Up | |
| Spain | 2972135 | ⤷ Sign Up | |
| Russian Federation | 2010139475 | СПОСОБЫ ЛЕЧЕНИЯ ЗАБОЛЕВАНИЙ КИШЕЧНИКА | ⤷ Sign Up |
| China | 101260114 | Polymorphous forms of rifaximin, preparation and application thereof used in pharmaceutical preparation | ⤷ Sign Up |
| Spain | 2244364 | ⤷ Sign Up | |
| >Country | >Patent Number | >Title | >Estimated Expiration |
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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. 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.
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