Kowa Pharms Drug Patent Portfolio

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

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US8846744 Pharmaceutical compositions of co-crystals of tramadol and coxibs 03 Jun, 2031
Active
US10238668 Co-crystals of tramadol and coxibis 19 Apr, 2030
Active
US10245276 Co-crystals of tramadol and coxibs 19 Apr, 2030
Active
US10548909 Co-crystals of tramadol and coxibs 19 Apr, 2030
Active
US11478488 Co-crystals of tramadol and coxibs 19 Apr, 2030
Active
US8598152 Co-crystals of tramadol and coxibs 19 Apr, 2030
Active
US9012440 Co-crystals of tramadol and coxibs 19 Apr, 2030
Active


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

Activity Date Patent Number
Patent litigations
Notice of Final Determination- Ineligible 07 Jun, 2024 US9012440
Notice of Final Determination- Ineligible 07 Jun, 2024 US8846744
Notice of Final Determination- Ineligible 07 Jun, 2024 US10548909
Notice of Final Determination- Ineligible 07 Jun, 2024 US8598152
Notice of Final Determination- Ineligible 07 Jun, 2024 US10238668
Notice of Final Determination- Ineligible 06 Jun, 2024 US10245276
Letter from FDA or Dept of Agriculture re PTE application 03 Jan, 2024 US10548909
Letter from FDA or Dept of Agriculture re PTE application 03 Jan, 2024 US9012440
Letter from FDA or Dept of Agriculture re PTE application 03 Jan, 2024 US8598152
Letter from FDA or Dept of Agriculture re PTE application 03 Jan, 2024 US8846744
Letter from FDA or Dept of Agriculture re PTE application 03 Jan, 2024 US10245276
Letter from FDA or Dept of Agriculture re PTE application 03 Jan, 2024 US10238668
Payment of Maintenance Fee, 4th Year, Large Entity 13 Jul, 2023 US10548909
Initial letter Re: PTE Application to regulating agency 28 Feb, 2023 US10245276
Initial letter Re: PTE Application to regulating agency 28 Feb, 2023 US10548909


Kowa Pharms's Family Patents

Kowa Pharms drugs have patent protection in a total of 35 countries. It's US patent count contributes only to 13.1% 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



Kowa Pharms Drug List

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


1. Seglentis

Seglentis 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
US8846744 Pharmaceutical compositions of co-crystals of tramadol and coxibs 03 Jun, 2031
(6 years from now)
Active
US10238668 Co-crystals of tramadol and coxibis 19 Apr, 2030
(5 years from now)
Active
US10245276 Co-crystals of tramadol and coxibs 19 Apr, 2030
(5 years from now)
Active
US10548909 Co-crystals of tramadol and coxibs 19 Apr, 2030
(5 years from now)
Active
US11478488 Co-crystals of tramadol and coxibs 19 Apr, 2030
(5 years from now)
Active
US8598152 Co-crystals of tramadol and coxibs 19 Apr, 2030
(5 years from now)
Active
US9012440 Co-crystals of tramadol and coxibs 19 Apr, 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 Seglentis's drug page


Explore Our Curated Drug Screens

Drugs Generating Over $1 Billion in Annual Revenue
Explore the top-performing drugs that dominate the pharmaceutical industry
View List
NCE-1 Patent Expiry in the Next 1 Year
Identify opportunities as new chemical entity (NCE-1) patents approach expiry
View List
Recently Granted Patents in EP
Find the opportunity to file Oppositions
View List