Vifor Pharma Drug Patent Portfolio

Vifor Pharma owns 1 orange book drug protected by 13 US patents Given below is the list of Vifor Pharma's drug patents along with their expiration dates.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US11123363 Potassium-binding agents for treating hypertension and hyperkalemia 08 Oct, 2033
Active
US9492476 Potassium-binding agents for treating hypertension and hyperkalemia 08 Oct, 2033
Active
US9925212 Potassium-binding agents for treating hypertension and hyperkalemia 08 Oct, 2033
Active
US8337824 Linear polyol stabilized polyfluoroacrylate compositions 29 May, 2030
Active
US8147873 Methods and compositions for treatment of ion imbalances 20 Jun, 2028
Active
US8282913 Ion binding polymers and uses thereof 29 May, 2027
Active
US8216560 Ion binding polymers and uses thereof 14 Mar, 2027
Active
US7556799 Ion binding polymers and uses thereof 27 Feb, 2025
Active
US10485821 Ion binding polymers and uses thereof 30 Mar, 2024 Expired
US8287847 Ion binding polymers and uses thereof 30 Mar, 2024 Expired
US8475780 Ion binding polymers and uses thereof 30 Mar, 2024 Expired
US8778324 Ion binding polymers and uses thereof 30 Mar, 2024 Expired
US8889115 Ion binding polymers and uses thereof 30 Mar, 2024 Expired


Given below is the list of recent legal activities going on the following drug patents of Vifor Pharma.

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 12th Year, Large Entity 18 Jun, 2024 US8337824
Maintenance Fee Reminder Mailed 03 Jun, 2024 US8287847
Payment of Maintenance Fee, 12th Year, Large Entity 09 Apr, 2024 US8282913
Payment of Maintenance Fee, 12th Year, Large Entity 05 Jan, 2024 US8216560
Payment of Maintenance Fee, 12th Year, Large Entity 20 Sep, 2023 US8147873
Payment of Maintenance Fee, 4th Year, Large Entity 17 May, 2023 US10485821
Payment of Maintenance Fee, 8th Year, Large Entity 09 May, 2022 US8889115
Payment of Maintenance Fee, 8th Year, Large Entity 11 Jan, 2022 US8778324
Post Issue Communication - Certificate of Correction 25 Oct, 2021 US11123363
Payment of Maintenance Fee, 4th Year, Large Entity 22 Sep, 2021 US9925212
Patent Issue Date Used in PTA Calculation 21 Sep, 2021 US11123363
Recordation of Patent Grant Mailed 21 Sep, 2021 US11123363
Email Notification 02 Sep, 2021 US11123363
Issue Notification Mailed 01 Sep, 2021 US11123363
Dispatch to FDC 17 Aug, 2021 US11123363


Vifor Pharma Drug Patents' Oppositions Filed in EPO

Vifor Pharma drug patents have faced multiple oppositions in the European Patent Office. The earliest opposition was filed on Apr 18, 2016, by Hexal Ag. This opposition was filed on patent number EP09748557A. Click below to reveal the latest opposition data.


Application Filing Date Opposition Party Legal Status
Patent litigations
EP09748557A Apr, 2016 Teva Pharmaceutical Industries Ltd Patent maintained as amended
EP09748557A Apr, 2016 Hexal AG Patent maintained as amended


Vifor Pharma's Family Patents

Vifor Pharma drugs have patent protection in a total of 27 countries. It's US patent count contributes only to 29.6% of its total global patent coverage. Click below to unlock the full patent family tree.

Family Patents



Vifor Pharma Drug List

Given below is the complete list of Vifor Pharma's drugs and the patents protecting them.


1. Veltassa

Veltassa is protected by 13 patents, out of which 5 have expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US11123363 Potassium-binding agents for treating hypertension and hyperkalemia 08 Oct, 2033
(9 years from now)
Active
US9492476 Potassium-binding agents for treating hypertension and hyperkalemia 08 Oct, 2033
(9 years from now)
Active
US9925212 Potassium-binding agents for treating hypertension and hyperkalemia 08 Oct, 2033
(9 years from now)
Active
US8337824 Linear polyol stabilized polyfluoroacrylate compositions 29 May, 2030
(5 years from now)
Active
US8147873 Methods and compositions for treatment of ion imbalances 20 Jun, 2028
(3 years from now)
Active
US8282913 Ion binding polymers and uses thereof 29 May, 2027
(2 years from now)
Active
US8216560 Ion binding polymers and uses thereof 14 Mar, 2027
(2 years from now)
Active
US7556799 Ion binding polymers and uses thereof 27 Feb, 2025
(4 months from now)
Active
US10485821 Ion binding polymers and uses thereof 30 Mar, 2024
(6 months ago)
Expired
US8287847 Ion binding polymers and uses thereof 30 Mar, 2024
(6 months ago)
Expired
US8475780 Ion binding polymers and uses thereof 30 Mar, 2024
(6 months ago)
Expired
US8778324 Ion binding polymers and uses thereof 30 Mar, 2024
(6 months ago)
Expired
US8889115 Ion binding polymers and uses thereof 30 Mar, 2024
(6 months ago)
Expired

Discover which of these patents contain the active ingredient(API) of the drug, their family patents, along with litigation and legal activity details of these patents on Veltassa's drug page


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