Helsinn Drug Patent Portfolio

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

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US7872050 Stabilized compositions of volatile alkylating agents and methods of using thereof 08 Jul, 2029
Active
US7838564 Stabilized compositions of volatile alkylating agents and methods of using thereof 07 Mar, 2026
Active
US8450375 Stabilized compositions of volatile alkylating agents and methods of using thereof 07 Mar, 2026
Active
US8501818 Stabilized compositions of alkylating agents and methods of using same 07 Mar, 2026
Active
US8501819 Stabilized compositions of volatile alkylating agents and methods of using thereof 07 Mar, 2026
Active
US9382191 Stabilized compositions of volatile alkylating agents and methods of using thereof 07 Mar, 2026
Active


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

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 12th Year, Large Entity 22 Jun, 2022 US7872050
Payment of Maintenance Fee, 12th Year, Large Entity 21 Apr, 2022 US7838564
Payment of Maintenance Fee, 8th Year, Large Entity 21 Jan, 2021 US8501818
Payment of Maintenance Fee, 8th Year, Large Entity 21 Jan, 2021 US8501819
Payment of Maintenance Fee, 8th Year, Large Entity 21 Oct, 2020 US8450375
Payment of Maintenance Fee, 8th Year, Large Entity 10 Jul, 2018 US7872050
Payment of Maintenance Fee, 8th Year, Large Entity 15 May, 2018 US7838564
Change in Power of Attorney (May Include Associate POA) 01 Feb, 2017 US7872050
Email Notification 01 Feb, 2017 US7872050
Correspondence Address Change 30 Jan, 2017 US7872050
Change in Power of Attorney (May Include Associate POA) 25 Jan, 2017 US7838564
Change in Power of Attorney (May Include Associate POA) 25 Jan, 2017 US8450375
Email Notification 25 Jan, 2017 US7838564
Email Notification 25 Jan, 2017 US8501818
Email Notification 25 Jan, 2017 US8450375


Helsinn's Family Patents

Helsinn drugs have patent protection in a total of 20 countries. It's US patent count contributes only to 32.8% 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



Helsinn Drug List

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


1. Valchlor

Valchlor 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
US7872050 Stabilized compositions of volatile alkylating agents and methods of using thereof 08 Jul, 2029
(4 years from now)
Active
US7838564 Stabilized compositions of volatile alkylating agents and methods of using thereof 07 Mar, 2026
(1 year, 3 months from now)
Active
US8450375 Stabilized compositions of volatile alkylating agents and methods of using thereof 07 Mar, 2026
(1 year, 3 months from now)
Active
US8501818 Stabilized compositions of alkylating agents and methods of using same 07 Mar, 2026
(1 year, 3 months from now)
Active
US8501819 Stabilized compositions of volatile alkylating agents and methods of using thereof 07 Mar, 2026
(1 year, 3 months from now)
Active
US9382191 Stabilized compositions of volatile alkylating agents and methods of using thereof 07 Mar, 2026
(1 year, 3 months 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 Valchlor's drug page


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