Ardelyx Drug Patent Portfolio

Ardelyx owns 2 orange book drugs protected by 8 US patents Given below is the list of Ardelyx's drug patents along with their expiration dates.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US12539299 26 Nov, 2042
Active
US10272079 NHE3-binding compounds and methods for inhibiting phosphate transport 10 Apr, 2034
Active
US10940146 NHE3-binding compounds and methods for inhibiting phosphate transport 10 Apr, 2034
Active
US8541448 Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders 01 Aug, 2033
Active
US9006281 Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders 02 May, 2030
Active
US12016856 Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders 30 Dec, 2029
Active
US8969377 Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders 30 Dec, 2029
Active
US9408840 Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorder 30 Dec, 2029
Active


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

Activity Date Patent Number
Patent litigations
Mail Examiner Interview Summary (PTOL - 413) 10 Nov, 2025 US12539299
Mail Examiner Interview Summary (PTOL - 413) 10 Nov, 2025 US12539299
Email Notification 10 Nov, 2025 US12539299
Email Notification 10 Nov, 2025 US12539299
Date Forwarded to Examiner 06 Nov, 2025 US12539299
Interview Summary Record 06 Nov, 2025 US12539299
Interview Summary - Applicant Initiated - Telephonic 06 Nov, 2025 US12539299
Interview Summary Record 06 Nov, 2025 US12539299
Date Forwarded to Examiner 06 Nov, 2025 US12539299
Interview Summary - Applicant Initiated - Telephonic 06 Nov, 2025 US12539299
Response after Non-Final Action 23 Oct, 2025 US12539299
Response after Non-Final Action 23 Oct, 2025 US12539299
Mail Non-Final Rejection 15 Sep, 2025 US12539299
Mail Non-Final Rejection 15 Sep, 2025 US12539299
Electronic Review 15 Sep, 2025 US12539299


Ardelyx's Family Patents

Ardelyx drugs have patent protection in a total of 21 countries. It's US patent count contributes only to 31.1% of its total global patent coverage. 1 country has all of their patents expired or invalidated which has opened up potential generic launch opportunities in this particular country. Click below to unlock the full patent family tree.

Family Patents



Ardelyx Drug List

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


1. Ibsrela

Ibsrela is protected by 6 patents, out of which none have expired yet. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US12539299 26 Nov, 2042
(16 years from now)
Active
US8541448 Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders 01 Aug, 2033
(7 years from now)
Active
US9006281 Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders 02 May, 2030
(3 years from now)
Active
US12016856 Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders 30 Dec, 2029
(3 years from now)
Active
US8969377 Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders 30 Dec, 2029
(3 years from now)
Active
US9408840 Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorder 30 Dec, 2029
(3 years from now)
Active

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 Ibsrela's drug page


2. Xphozah

Xphozah is protected by 6 patents, out of which none have expired yet. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US12539299 26 Nov, 2042
(16 years from now)
Active
US10272079 NHE3-binding compounds and methods for inhibiting phosphate transport 10 Apr, 2034
(7 years from now)
Active
US10940146 NHE3-binding compounds and methods for inhibiting phosphate transport 10 Apr, 2034
(7 years from now)
Active
US8541448 Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders 01 Aug, 2033
(7 years from now)
Active
US12016856 Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders 30 Dec, 2029
(3 years from now)
Active
US8969377 Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders 30 Dec, 2029
(3 years from now)
Active

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 Xphozah's drug page


Explore Our Curated Drug Screens

Drugs Generating Over $1 Billion in Annual Revenue
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