Kadmon Drug Patent Portfolio

Kadmon owns 1 orange book drug protected by 6 US patents Given below is the list of Kadmon's drug patents along with their expiration dates.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US12097202 Methods of administering Belumosudil for treatment of chronic graft versus host disease 14 Jul, 2042
Active
US11311541 Treatment of GVHD 09 Apr, 2035
Active
US8357693 Pharmacokinetically improved compounds 20 Jun, 2034
Active
US10183931 Rho kinase inhibitors 07 Oct, 2033
Active
US10696660 Rho kinase inhibitors 07 Oct, 2033
Active
US9815820 Rho kinase inhibitors 07 Oct, 2033
Active


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

Activity Date Patent Number
Patent litigations
Email Notification 16 Jul, 2025 US10183931
Email Notification 16 Jul, 2025 US10696660
Change in Power of Attorney (May Include Associate POA) 16 Jul, 2025 US8357693
Email Notification 16 Jul, 2025 US8357693
Mail Patent eCofC Notification 15 Jul, 2025 US10696660
Recordation of Patent eCertificate of Correction 15 Jul, 2025 US10183931
Mail Patent eCofC Notification 15 Jul, 2025 US10183931
Recordation of Patent eCertificate of Correction 15 Jul, 2025 US10696660
Patent eCofC Notification 15 Jul, 2025 US10183931
Patent eCofC Notification 15 Jul, 2025 US10696660
Entity Status Set To Undiscounted (Initial Default Setting or Status Change) 08 Jul, 2025 US11311541
Post Issue Communication - Certificate of Correction 25 Jun, 2025 US10696660
Post Issue Communication - Certificate of Correction 23 Jun, 2025 US10183931
Notice of Final Determination -Eligible 12 Mar, 2025 US8357693
Mail Miscellaneous Communication to Applicant 16 Jan, 2025 US10183931


Kadmon Drug Patents' Oppositions Filed in EPO

Kadmon drug patents have faced multiple oppositions in the European Patent Office. The earliest opposition was filed on Feb 28, 2023, by Elkington And Fife Llp. This opposition was filed on patent number EP13843426A. Click below to reveal the latest opposition data.


Application Filing Date Opposition Party Legal Status
Patent litigations
EP13843426A Feb, 2023 SANDOZ AG Granted and Under Opposition
EP13843426A Feb, 2023 ELKINGTON AND FIFE LLP Granted and Under Opposition


Kadmon's Family Patents

Kadmon drugs have patent protection in a total of 27 countries. It's US patent count contributes only to 36.5% of its total global patent coverage. 9 countries have all of their patents expired or invalidated which has opened up potential generic launch opportunities in these countries. Click below to unlock the full patent family tree.

Family Patents



Kadmon Drug List

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


1. Rezurock

Rezurock 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
US12097202 Methods of administering Belumosudil for treatment of chronic graft versus host disease 14 Jul, 2042
(16 years from now)
Active
US11311541 Treatment of GVHD 09 Apr, 2035
(9 years from now)
Active
US8357693 Pharmacokinetically improved compounds 20 Jun, 2034
(8 years from now)
Active
US10183931 Rho kinase inhibitors 07 Oct, 2033
(7 years from now)
Active
US10696660 Rho kinase inhibitors 07 Oct, 2033
(7 years from now)
Active
US9815820 Rho kinase inhibitors 07 Oct, 2033
(7 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 Rezurock's drug page


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