Fennec Drug Patent Portfolio

Fennec owns 1 orange book drug protected by 7 US patents Given below is the list of Fennec's drug patents along with their expiration dates.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US11291728 Anhydrous sodium thiosulfate and formulations thereof 01 Jul, 2039
Active
US11510984 Anhydrous sodium thiosulfate and formulations thereof 01 Jul, 2039
Active
US11617793 Anhydrous sodium thiosulfate and formulations thereof 01 Jul, 2039
Active
US11964018 Therapeutic uses for sodium thiosulfate formulations 01 Jul, 2039
Active
US11992530 Therapeutic uses for sodium thiosulfate and formulations 01 Jul, 2039
Active
US11998604 Therapeutic uses for sodium thiosulfate formulations 01 Jul, 2039
Active
US10596190 Method for reducing ototoxicity in pediatric patients receiving platinum-based chemotherapy 05 Jan, 2038
Active


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

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 4th Yr, Small Entity 17 Sep, 2025 US11291728
Email Notification 27 Aug, 2024 US11291728
Mail Patent eCofC Notification 27 Aug, 2024 US11291728
Patent eCofC Notification 27 Aug, 2024 US11291728
Recordation of Patent eCertificate of Correction 27 Aug, 2024 US11291728
Electronic Review 31 Jul, 2024 US11992530
Email Notification 30 Jul, 2024 US11992530
Patent eCofC Notification 30 Jul, 2024 US11992530
Mail Patent eCofC Notification 30 Jul, 2024 US11992530
Recordation of Patent eCertificate of Correction 30 Jul, 2024 US11992530
Patent eCofC Notification 16 Jul, 2024 US11617793
Email Notification 16 Jul, 2024 US11617793
Recordation of Patent eCertificate of Correction 16 Jul, 2024 US11617793
Mail Patent eCofC Notification 16 Jul, 2024 US11617793
Electronic Review 07 Jun, 2024 US11992530


Fennec's Drug Patent Litigations

Fennec's drugs have been subject to various legal proceedings, including patent litigations. The earliest legal proceeding was initiated on Oct 29, 2021, against patent number US10596190. The petitioner Hope Medical Enterprises, Inc., challenged the validity of this patent, with Oregon Health & Science University et al. as the respondent. Click below to track the latest information on how companies are challenging Fennec's patents.

Patent Proceeding Filing Date Status Respondent Petitioner
Patent litigations
US10596190 October, 2021 Final Written Decision
(18 Apr, 2023)
Oregon Health & Science University et al. Hope Medical Enterprises, Inc.


Fennec's Family Patents

Fennec drugs have patent protection in a total of 13 countries. It's US patent count contributes only to 35.3% 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



Fennec Drug List

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


1. Pedmark

Pedmark is protected by 7 patents, out of which none have expired yet. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US11291728 Anhydrous sodium thiosulfate and formulations thereof 01 Jul, 2039
(13 years from now)
Active
US11510984 Anhydrous sodium thiosulfate and formulations thereof 01 Jul, 2039
(13 years from now)
Active
US11617793 Anhydrous sodium thiosulfate and formulations thereof 01 Jul, 2039
(13 years from now)
Active
US11964018 Therapeutic uses for sodium thiosulfate formulations 01 Jul, 2039
(13 years from now)
Active
US11992530 Therapeutic uses for sodium thiosulfate and formulations 01 Jul, 2039
(13 years from now)
Active
US11998604 Therapeutic uses for sodium thiosulfate formulations 01 Jul, 2039
(13 years from now)
Active
US10596190 Method for reducing ototoxicity in pediatric patients receiving platinum-based chemotherapy 05 Jan, 2038
(11 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 Pedmark's drug page


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