Zevra Therap Drug Patent Portfolio

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

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US8461137 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof 22 Feb, 2031
Active
US8748413 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof 10 Jul, 2030
Active
US8828978 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof 01 Jul, 2030
Active
US9132125 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof 01 Jul, 2030
Active
US9549923 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and uses thereof 01 Jul, 2030
Active


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

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 8th Yr, Small Entity 23 Feb, 2023 US9132125
Payment of Maintenance Fee, 8th Yr, Small Entity 02 Mar, 2022 US8828978
Payment of Maintenance Fee, 8th Yr, Small Entity 06 Oct, 2021 US8748413
Payment of Maintenance Fee, 8th Yr, Small Entity 12 Oct, 2020 US8461137
Payment of Maintenance Fee, 4th Yr, Small Entity 21 May, 2020 US9549923
Payment of Maintenance Fee, 4th Yr, Small Entity 22 Feb, 2019 US9132125
Payment of Maintenance Fee, 4th Yr, Small Entity 22 Feb, 2018 US8828978
Payment of Maintenance Fee, 4th Yr, Small Entity 08 Nov, 2017 US8748413
Patent Issue Date Used in PTA Calculation 24 Jan, 2017 US9549923
Recordation of Patent Grant Mailed 24 Jan, 2017 US9549923
Email Notification 05 Jan, 2017 US9549923
Issue Notification Mailed 04 Jan, 2017 US9549923
Dispatch to FDC 19 Dec, 2016 US9549923
Application Is Considered Ready for Issue 17 Dec, 2016 US9549923
Issue Fee Payment Verified 12 Dec, 2016 US9549923


Zevra Therap's Family Patents

Zevra Therap drugs have patent protection in a total of 20 countries. It's US patent count contributes only to 39.5% of its total global patent coverage. 4 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



Zevra Therap Drug List

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


1. Apadaz

Apadaz 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
US8461137 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof 22 Feb, 2031
(6 years from now)
Active
US8748413 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof 10 Jul, 2030
(5 years from now)
Active
US8748413 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof 01 Jul, 2030
(5 years from now)
Active
US8828978 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof 01 Jul, 2030
(5 years from now)
Active
US9132125 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof 01 Jul, 2030
(5 years from now)
Active
US9549923 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and uses thereof 01 Jul, 2030
(5 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 Apadaz's drug page


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