Taiho Oncology Drug Patent Portfolio

Taiho Oncology owns 2 orange book drugs protected by 12 US patents Given below is the list of Taiho Oncology's drug patents along with their expiration dates.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US11833151 Pharmaceutical composition including sodium alkyl sulfate 05 Nov, 2039
Active
US10456399 Method for treating cancer patients with severe renal impairment 03 Feb, 2037
Active
US10960004 Method for treating cancer patients with severe renal impairment 03 Feb, 2037
Active
US10434103 Crystal of 3,5-disubstituted benzene alkynyl compound 31 Mar, 2036
Active
US9943537 Antitumor agent and antitumor effect enhancer 05 Sep, 2034
Active
US10457666 Stable crystal form of tipiracil hydrochloride and crystallization method for the same 17 Jun, 2034
Active
US9527833 Stable crystal form of tipiracil hydrochloride and crystallization method for the same 17 Jun, 2034
Active
US9108973 3,5-disubstituted alkynylbenzene compound and salt thereof 23 Feb, 2033
Active
USRE46284 Method of administrating an anticancer drug containing α, α, α-trifluorothymidine and thymidine phosphorylase inhibitor 22 Sep, 2029
Active
US7799783 Method of administrating an anticancer drug containing α, α, α-trifluorothymidine and thymidine phosphorylase inhibitor 16 Dec, 2026
Active
US6479500 Agents for alleviating side effects 16 Mar, 2020 Expired
US5744475 Uracil derivatives, and antitumor effect potentiator and antitumor agent containing the same 28 Mar, 2016 Expired


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

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 8th Year, Large Entity 12 Jun, 2024 US9527833
Letter from FDA or Dept of Agriculture re PTE application 11 Jun, 2024 US10434103
Letter from FDA or Dept of Agriculture re PTE application 11 Jun, 2024 US9108973
Email Notification 20 Mar, 2024 US11833151
Change in Power of Attorney (May Include Associate POA) 20 Mar, 2024 US11833151
Notice of Final Determination- Ineligible 18 Mar, 2024 US9108973
Notice of Final Determination- Ineligible 18 Mar, 2024 US10434103
Letter from FDA or Dept of Agriculture re PTE application 24 Jan, 2024 US9108973
Letter from FDA or Dept of Agriculture re PTE application 24 Jan, 2024 US10434103
Email Notification 05 Dec, 2023 US11833151
Mail Patent eGrant Notification 05 Dec, 2023 US11833151
Patent Issue Date Used in PTA Calculation 05 Dec, 2023 US11833151
Recordation of Patent Grant Mailed 05 Dec, 2023 US11833151
Patent eGrant Notification 05 Dec, 2023 US11833151
Recordation of Patent eGrant 05 Dec, 2023 US11833151


Taiho Oncology Drug Patents' Oppositions Filed in EPO

Taiho Oncology drug patents have faced multiple oppositions in the European Patent Office. The earliest opposition was filed on Jul 13, 2022, by Stada Arzneimittel Ag. This opposition was filed on patent number EP14814354A. Click below to reveal the latest opposition data.


Application Filing Date Opposition Party Legal Status
Patent litigations
EP14814354A Jul, 2022 STADA Arzneimittel AG Granted and Under Opposition


Taiho Oncology's Family Patents

Taiho Oncology drugs have patent protection in a total of 29 countries. It's US patent count contributes only to 9.4% of its total global patent coverage. Click below to unlock the full patent family tree.

Family Patents



Taiho Oncology Drug List

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


1. Lonsurf

Lonsurf is protected by 9 patents, out of which 2 have expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US10456399 Method for treating cancer patients with severe renal impairment 03 Feb, 2037
(12 years from now)
Active
US10960004 Method for treating cancer patients with severe renal impairment 03 Feb, 2037
(12 years from now)
Active
US9943537 Antitumor agent and antitumor effect enhancer 05 Sep, 2034
(9 years from now)
Active
US10457666 Stable crystal form of tipiracil hydrochloride and crystallization method for the same 17 Jun, 2034
(9 years from now)
Active
US9527833 Stable crystal form of tipiracil hydrochloride and crystallization method for the same 17 Jun, 2034
(9 years from now)
Active
USRE46284 Method of administrating an anticancer drug containing α, α, α-trifluorothymidine and thymidine phosphorylase inhibitor 22 Sep, 2029
(4 years from now)
Active
US7799783 Method of administrating an anticancer drug containing α, α, α-trifluorothymidine and thymidine phosphorylase inhibitor 16 Dec, 2026
(1 year, 11 months from now)
Active
US6479500 Agents for alleviating side effects 16 Mar, 2020
(4 years ago)
Expired
US5744475 Uracil derivatives, and antitumor effect potentiator and antitumor agent containing the same 28 Mar, 2016
(8 years ago)
Expired

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 Lonsurf's drug page


2. Lytgobi

Lytgobi is protected by 3 patents, out of which none have expired yet. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US11833151 Pharmaceutical composition including sodium alkyl sulfate 05 Nov, 2039
(14 years from now)
Active
US10434103 Crystal of 3,5-disubstituted benzene alkynyl compound 31 Mar, 2036
(11 years from now)
Active
US9108973 3,5-disubstituted alkynylbenzene compound and salt thereof 23 Feb, 2033
(8 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 Lytgobi's drug page


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