Calliditas Drug Patent Portfolio

Calliditas owns 1 orange book drug protected by 5 US patents Given below is the list of Calliditas's drug patents along with their expiration dates.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US11896719 Pharmaceutical compositions 23 Jan, 2043
Active
US12171882 Pharmaceutical compositions 23 Jan, 2043
Active
US12171883 Pharmaceutical compositions 23 Jan, 2043
Active
US12311057 Pharmaceutical compositions 23 Jan, 2043
Active
US8491932 Compositions for the oral delivery of corticosteroids 07 May, 2029
Active


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

Activity Date Patent Number
Patent litigations
Recordation of Patent Grant Mailed 03 Jun, 2025 US12311057
Email Notification 27 May, 2025 US12311057
Patent eGrant Notification 27 May, 2025 US12311057
Mail Patent eGrant Notification 27 May, 2025 US12311057
Patent Issue Date Used in PTA Calculation 27 May, 2025 US12311057
Recordation of Patent eGrant 27 May, 2025 US12311057
Email Notification 15 May, 2025 US12311057
Issue Notification Mailed 14 May, 2025 US12311057
Application Is Considered Ready for Issue 06 May, 2025 US12311057
Dispatch to FDC 06 May, 2025 US12311057
Issue Fee Payment Received 29 Apr, 2025 US12311057
Issue Fee Payment Verified 29 Apr, 2025 US12311057
Mail Notice of Allowance 24 Apr, 2025 US12311057
Notice of Allowance Data Verification Completed 22 Apr, 2025 US12311057
Information Disclosure Statement considered 17 Apr, 2025 US12311057


Calliditas Drug Patents' Oppositions Filed in EPO

Calliditas drug patents have faced multiple oppositions in the European Patent Office. The earliest opposition was filed on Oct 01, 2014, by Dr. Falk Pharma Gmbh. This opposition was filed on patent number EP09746033A. Click below to reveal the latest opposition data.


Application Filing Date Opposition Party Legal Status
Patent litigations
EP09746033A Oct, 2014 Dr. Falk Pharma GmbH Opposition rejected


Calliditas's Family Patents

Calliditas drugs have patent protection in a total of 9 countries. It's US patent count contributes only to 10.0% 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



Calliditas Drug List

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


1. Tarpeyo

Tarpeyo is protected by 5 patents, out of which none have expired yet. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US11896719 Pharmaceutical compositions 23 Jan, 2043
(16 years from now)
Active
US12171882 Pharmaceutical compositions 23 Jan, 2043
(16 years from now)
Active
US12171883 Pharmaceutical compositions 23 Jan, 2043
(16 years from now)
Active
US12311057 Pharmaceutical compositions 23 Jan, 2043
(16 years from now)
Active
US8491932 Compositions for the oral delivery of corticosteroids 07 May, 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 Tarpeyo's drug page


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