Ligand Pharms Drug Patent Portfolio
Ligand Pharms owns 1 orange book drug protected by 3 US patents Given below is the list of Ligand Pharms's drug patents along with their expiration dates.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| US8592434 | Mucoadhesive buccal tablets for the treatment of orofacial herpes | 16 Jun, 2030 | Active |
| US8747896 | Mucosal bioadhesive slow release carrier for delivering active principles | 03 Jun, 2027 | Active |
| US8791127 | Mucosal bioadhesive slow release carrier for delivering active principles | 23 Mar, 2027 | Active |
Latest Legal Activities on Ligand Pharms's Drug Patents
Given below is the list of recent legal activities going on the following drug patents of Ligand Pharms.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Payment of Maintenance Fee, 8th Year, Large Entity | 16 Dec, 2021 | US8791127 |
| Payment of Maintenance Fee, 8th Year, Large Entity | 17 Nov, 2021 | US8747896 |
| Payment of Maintenance Fee, 8th Year, Large Entity | 22 Apr, 2021 | US8592434 |
| Mail O.P. Petition Decision | 22 Sep, 2020 | US8791127 |
|
Email Notification
Critical
| 22 Sep, 2020 | US8747896 |
| Mail O.P. Petition Decision | 22 Sep, 2020 | US8747896 |
|
Email Notification
Critical
| 22 Sep, 2020 | US8791127 |
| Mail-Petition Decision - Granted | 18 Sep, 2020 | US8747896 |
|
Petition Decision - Granted
Critical
| 17 Sep, 2020 | US8747896 |
| Mail-Petition Decision - Granted | 17 Sep, 2020 | US8791127 |
|
Petition Decision - Granted
Critical
| 16 Sep, 2020 | US8791127 |
| O.P. Petition Decision | 14 Sep, 2020 | US8791127 |
| O.P. Petition Decision | 14 Sep, 2020 | US8747896 |
|
Email Notification
Critical
| 18 Jun, 2020 | US8592434 |
|
Change in Power of Attorney (May Include Associate POA)
Critical
| 18 Jun, 2020 | US8592434 |
Ligand Pharms's Family Patents
Ligand Pharms Drug List
Given below is the complete list of Ligand Pharms's drugs and the patents protecting them.
1. Sitavig
Sitavig 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 |
|---|---|---|---|
| US8592434 | Mucoadhesive buccal tablets for the treatment of orofacial herpes |
16 Jun, 2030
(4 years from now)
| Active |
| US8747896 | Mucosal bioadhesive slow release carrier for delivering active principles |
03 Jun, 2027
(1 year, 10 months from now)
| Active |
| US8791127 | Mucosal bioadhesive slow release carrier for delivering active principles |
23 Mar, 2027
(1 year, 8 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 Sitavig's drug page