Last Updated: September 24, 2026

Salix Pharms Company Profile


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What is the competitive landscape for SALIX PHARMS

SALIX PHARMS has nine approved drugs.

There are twenty-seven US patents protecting SALIX PHARMS drugs.

Summary for Salix Pharms
US Patents:27
Tradenames:9
Ingredients:8
NDAs:9

Drugs and US Patents for Salix Pharms

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 AB RX Yes Yes 8,193,196 ⤷  Start Trial Y Y ⤷  Start Trial
Salix Pharms XIFAXAN rifaximin TABLET;ORAL 021361-002 Mar 24, 2010 AB RX Yes Yes 10,765,667 ⤷  Start Trial ⤷  Start Trial
Salix Pharms XIFAXAN rifaximin TABLET;ORAL 021361-001 May 25, 2004 RX Yes Yes 10,703,763 ⤷  Start Trial ⤷  Start Trial
Salix Pharms XIFAXAN rifaximin TABLET;ORAL 021361-002 Mar 24, 2010 AB RX Yes Yes 8,642,573 ⤷  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 Salix Pharms

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Salix Pharms RELISTOR methylnaltrexone bromide SOLUTION;SUBCUTANEOUS 021964-003 Sep 27, 2010 9,669,096 ⤷  Start Trial
Salix Pharms XIFAXAN rifaximin TABLET;ORAL 021361-002 Mar 24, 2010 7,902,206 ⤷  Start Trial
Salix Pharms XIFAXAN rifaximin TABLET;ORAL 021361-001 May 25, 2004 8,518,949 ⤷  Start Trial
Salix Pharms XIFAXAN rifaximin TABLET;ORAL 021361-001 May 25, 2004 8,741,904 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration
Paragraph IV (Patent) Challenges for SALIX PHARMS drugs
Drugname Dosage Strength Tradename Submissiondate
➤ Subscribe Tablets 550 mg ➤ Subscribe 2015-12-18
➤ Subscribe Injection 12 mg/0.6 mL ➤ Subscribe 2015-07-22
➤ Subscribe Tablets 150 mg ➤ Subscribe 2016-09-06
➤ Subscribe Tablets 1.102 g and 0.398 g ➤ Subscribe 2008-04-09
➤ Subscribe Tablets 200 mg ➤ Subscribe 2019-01-28
➤ Subscribe For Oral Solution 100 g, 7.5 g, 2.691 g, 1.015 g, 5.9 g and 4.7 g per pouch ➤ Subscribe 2007-11-27
➤ Subscribe Injection 8 mg/0.4 mL ➤ Subscribe 2015-09-08
➤ Subscribe Orally Disintegrating Tablets 5 mg and 10 mg ➤ Subscribe 2010-08-24

Supplementary Protection Certificates for Salix Pharms Drugs

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
1856135 CR 2020 00018 Denmark ⤷  Start Trial PRODUCT NAME: FOSTAMATINIB OR A PHARMACEUTICALLY ACCEPTABLE SALT OF FOSTAMATINIB, OR A HYDRATE, SOLVATE OR N-OXIDE OF FOSTAMATINIB OR THE PHARMACEUTICALLY ACCEPTABLE SALT OF FOSTAMATINIB, ESPECIALLY FOSTAMATINIB DISODIUM, OPTIONALLY IN FORM OF A HYDRATE; REG. NO/DATE: EU/1/19/1405 20200113
0565634 06C0030 France ⤷  Start Trial PRODUCT NAME: EPROSARTAN MESYLATE; HYDROCHLOROTHIAZIDE; NAT. REGISTRATION NO/DATE: NL 32075 20060623; FIRST REGISTRATION: LI - 55783 01 20020607
2673237 201940014 Slovenia ⤷  Start Trial PRODUCT NAME: SODIUM ZIRCONIUM CYCLOSILICATE; NATIONAL AUTHORISATION NUMBER: EU/1/17/1173; DATE OF NATIONAL AUTHORISATION: 20180322; AUTHORITY FOR NATIONAL AUTHORISATION: EU
0733366 SPC/GB98/031 United Kingdom ⤷  Start Trial PRODUCT NAME: 2-BUTYL-4-CHLORO-1-((2'-(1H-TETRAZOL-5-YL) BIPHENYL-4-YL)-METHYL)-5-(HYDROXYMETHYL)IMIDAZOLE (LOSARTAN),OPTIONALLY IN THE FORM OF A PHARMACEUTICALLY ACCEPTABLE SALT, IN PARTICULAR A POTASSIUM SALT( LOSARTAN POTASSIUM) AND HYDROCHLOROTHIAZIDE,; REGISTERED: FR 338520.7 19950215; FR 558453.7 19950215; UK 00025/0338 19960412
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description
Similar Applicant Names
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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. 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.