Last Updated: November 9, 2026

Vifor Intl Company Profile

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What is the competitive landscape for VIFOR INTL

VIFOR INTL has one approved drug.

There are twelve US patents protecting VIFOR INTL drugs.

Summary for Vifor Intl
US Patents:12
Tradenames:1
Ingredients:1
NDAs:1

Drugs and US Patents for Vifor Intl

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Vifor Intl KORSUVA difelikefalin acetate SOLUTION;INTRAVENOUS 214916-001 Aug 23, 2021 AP RX Yes Yes 10,793,596 ⤷  Start Trial Y Y ⤷  Start Trial
Vifor Intl KORSUVA difelikefalin acetate SOLUTION;INTRAVENOUS 214916-001 Aug 23, 2021 AP RX Yes Yes 8,236,766 ⤷  Start Trial ⤷  Start Trial
Vifor Intl KORSUVA difelikefalin acetate SOLUTION;INTRAVENOUS 214916-001 Aug 23, 2021 AP RX Yes Yes 8,217,007 ⤷  Start Trial ⤷  Start Trial
Vifor Intl KORSUVA difelikefalin acetate SOLUTION;INTRAVENOUS 214916-001 Aug 23, 2021 AP RX Yes Yes 8,486,894 ⤷  Start Trial ⤷  Start Trial
Vifor Intl KORSUVA difelikefalin acetate SOLUTION;INTRAVENOUS 214916-001 Aug 23, 2021 AP RX Yes Yes 9,359,399 ⤷  Start Trial ⤷  Start Trial
Vifor Intl KORSUVA difelikefalin acetate SOLUTION;INTRAVENOUS 214916-001 Aug 23, 2021 AP RX Yes Yes 10,017,536 ⤷  Start Trial Y ⤷  Start Trial
Vifor Intl KORSUVA difelikefalin acetate SOLUTION;INTRAVENOUS 214916-001 Aug 23, 2021 AP RX Yes Yes 9,334,305 ⤷  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

Supplementary Protection Certificates for Vifor Intl Drugs

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
2064228 821 Finland ⤷  Start Trial
2064228 301199 Netherlands ⤷  Start Trial DETAILS ASSIGNMENT: CHANGE OF OWNER(S), ASSIGNMENT
2064228 C02064228/01 Switzerland ⤷  Start Trial FORMER OWNER: CARA THERAPEUTICS, INC., US
2064228 43/2022 Austria ⤷  Start Trial PRODUCT NAME: DIFELIKEFALIN ODER EIN STEREOISOMER, EINE MISCHUNG VON STEREOISOMEREN, EIN PHARMAZEUTISCH ANNEHMBARES SALZ, HYDRAT, SOLVAT, SAEURESALZHYDRAT, N-OXID, ODER EINE ISOMORPHE KRISTALLINE FORM DAVON; REGISTRATION NO/DATE: EU/1/22/1643 (MITTEILUNG) 20220427
2064228 122022000071 Germany ⤷  Start Trial PRODUCT NAME: DIFELIKEFALIN, GEGEBENENFALLS IN FORM EINES PHARMAZEUTISCH UNBEDENKLICHEN SALZES, HYDRATS, SOLVATS, ODER SAEURESALZHYDRATS; AUTHORISATION NO/DATE: EU/1/22/1643 20220425
2064228 LUC00282 Luxembourg ⤷  Start Trial PRODUCT NAME: DIFELIKEFALIN IN ALL FORMS COVERED BY THE BASIC PATENT; AUTHORISATION NUMBER AND DATE: EU/1/22/1643 20220427
2064228 PA2022522 Lithuania ⤷  Start Trial PRODUCT NAME: DIFELIKEFALINAS, BET KOKIA FORMA, KURIAI TAIKOMA PAGRINDINIO PATENTO APSAUGA ; REGISTRATION NO/DATE: EU/1/22/1643 20220425
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description
Similar Applicant Names
Applicants may be listed under multiple names.
Here is a list of applicants with similar 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.