King Pharms Drug Patent Portfolio
King Pharms owns 3 orange book drugs protected by 6 US patents Given below is the list of King Pharms's drug patents along with their expiration dates.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| US7122566 | Metaxalone products, method of manufacture, and method of use | 06 Feb, 2026 | Active |
| US7101569 | Methods of administering levothyroxine pharmaceutical compositions | 02 Oct, 2023 | Expired |
| US6555581 | Levothyroxine compositions and methods | 15 Feb, 2022 | Expired |
| US7067148 | Stabilized pharmaceutical and thyroid hormone compositions and method of preparation | 15 Feb, 2022 | Expired |
| US7714006 | Methods of modifying the bioavailability of metaxalone | 03 Dec, 2021 | Expired |
| US5656296 | Dual control sustained release drug delivery systems and methods for preparing same | 12 Aug, 2014 | Expired |
Latest Legal Activities on King Pharms's Drug Patents
Given below is the list of recent legal activities going on the following drug patents of King Pharms.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Payment of Maintenance Fee, 12th Year, Large Entity | 14 Oct, 2021 | US7714006 |
| 11.5 yr surcharge- late pmt w/in 6 mo, Large Entity | 03 May, 2018 | US7122566 |
| Payment of Maintenance Fee, 12th Year, Large Entity | 03 May, 2018 | US7122566 |
| Payment of Maintenance Fee, 12th Year, Large Entity | 14 Feb, 2018 | US7101569 |
| Payment of Maintenance Fee, 12th Year, Large Entity | 20 Nov, 2017 | US7067148 |
| Payment of Maintenance Fee, 8th Year, Large Entity | 16 Oct, 2017 | US7714006 |
| File Marked Found | 21 Sep, 2017 | US6555581 |
|
Change in Power of Attorney (May Include Associate POA)
Critical
| 16 Aug, 2016 | US6555581 |
|
Email Notification
Critical
| 16 Aug, 2016 | US6555581 |
|
Correspondence Address Change
Critical
| 15 Aug, 2016 | US6555581 |
| File Marked Found | 05 Feb, 2016 | US6555581 |
| File Marked Found | 28 Jan, 2016 | US6555581 |
|
Change in Power of Attorney (May Include Associate POA)
Critical
| 17 Dec, 2015 | US7122566 |
|
Email Notification
Critical
| 17 Dec, 2015 | US7122566 |
|
Correspondence Address Change
Critical
| 16 Dec, 2015 | US7122566 |
King Pharms's Family Patents
King Pharms Drug List
Given below is the complete list of King Pharms's drugs and the patents protecting them.
1. Levoxyl
Levoxyl is protected by 3 patents, out of which all have expired. Check out its patent list below.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| US7101569 | Methods of administering levothyroxine pharmaceutical compositions |
02 Oct, 2023
(1 year, 2 months ago)
| Expired |
| US6555581 | Levothyroxine compositions and methods |
15 Feb, 2022
(2 years ago)
| Expired |
| US7067148 | Stabilized pharmaceutical and thyroid hormone compositions and method of preparation |
15 Feb, 2022
(2 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 Levoxyl's drug page
2. Procanbid
Procanbid is protected by 1 patent, which has expired already. Check out its patent list below.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| US5656296 | Dual control sustained release drug delivery systems and methods for preparing same |
12 Aug, 2014
(10 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 Procanbid's drug page
3. Skelaxin
Skelaxin is protected by 2 patents, out of which 1 has expired. Check out its patent list below.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| US7122566 | Metaxalone products, method of manufacture, and method of use |
06 Feb, 2026
(1 year, 1 month from now)
| Active |
| US7714006 | Methods of modifying the bioavailability of metaxalone |
03 Dec, 2021
(3 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 Skelaxin's drug page