Kowa Co Drug Patent Portfolio
Kowa Co owns 1 orange book drug protected by 9 US patents Given below is the list of Kowa Co's drug patents along with their expiration dates.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| US7022713 | Hyperlipemia therapeutic agent | 19 Aug, 2024 | Expired |
| US8557993 | Crystalline forms of pitavastatin calcium | 02 Aug, 2024 | Expired |
| US7022713 | Hyperlipemia therapeutic agent | 19 Feb, 2024 | Expired |
| US8557993 | Crystalline forms of pitavastatin calcium | 02 Feb, 2024 | Expired |
| US5856336 | Quinoline type mevalonolactones | 25 Jun, 2021 | Expired |
| US5856336 | Quinoline type mevalonolactones | 01 Jan, 2021 | Expired |
| US6465477 | Stable pharmaceutical composition | 20 Dec, 2016 | Expired |
| US5854259 | Quinoline type mevalonolactones | 29 Dec, 2015 | Expired |
| US5753675 | Quinoline analogs of mevalonolactone and derivatives thereof | 19 May, 2015 | Expired |
Latest Legal Activities on Kowa Co's Drug Patents
Given below is the list of recent legal activities going on the following drug patents of Kowa Co.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Payment of Maintenance Fee, 8th Year, Large Entity | 31 Mar, 2021 | US8557993 (Litigated) |
| Payment of Maintenance Fee, 12th Year, Large Entity | 21 Sep, 2017 | US7022713 |
|
Patent Issue Date Used in PTA Calculation
Critical
| 15 Oct, 2013 | US8557993 (Litigated) |
|
Recordation of Patent Grant Mailed
Critical
| 15 Oct, 2013 | US8557993 (Litigated) |
|
Email Notification
Critical
| 26 Sep, 2013 | US8557993 (Litigated) |
|
Issue Notification Mailed
Critical
| 25 Sep, 2013 | US8557993 (Litigated) |
| Dispatch to FDC | 20 Sep, 2013 | US8557993 (Litigated) |
|
Application Is Considered Ready for Issue
Critical
| 30 Aug, 2013 | US8557993 (Litigated) |
|
Issue Fee Payment Verified
Critical
| 28 Aug, 2013 | US8557993 (Litigated) |
|
Issue Fee Payment Received
Critical
| 28 Aug, 2013 | US8557993 (Litigated) |
|
Electronic Review
Critical
| 21 Aug, 2013 | US8557993 (Litigated) |
|
Mail Notice of Allowance
Critical
| 21 Aug, 2013 | US8557993 (Litigated) |
|
Email Notification
Critical
| 21 Aug, 2013 | US8557993 (Litigated) |
|
Case Docketed to Examiner in GAU
Critical
| 15 Aug, 2013 | US8557993 (Litigated) |
|
Notice of Allowance Data Verification Completed
Critical
| 15 Aug, 2013 | US8557993 (Litigated) |
Kowa Co's Drug Patent Litigations
Kowa Co's drugs have been subject to various legal proceedings, including patent litigations. The earliest legal proceeding was initiated on Apr 18, 2015, against patent number US5856336. The petitioner Mylan Pharmaceuticals Inc., challenged the validity of this patent, with Nissan Chemical Industries, Ltd. as the respondent. Click below to track the latest information on how companies are challenging Kowa Co's patents.
| Patent | Proceeding Filing Date | Status | Respondent | Petitioner |
|---|---|---|---|---|
 | ||||
| US5856336 | July, 2015 |
Terminated-Denied
(04 Feb, 2016)
| Nissan Chemical Industries Ltd. | Sawai USA, Inc. |
| US5856336 | April, 2015 |
Terminated-Denied
(20 Oct, 2015)
| Nissan Chemical Industries, Ltd. | Mylan Pharmaceuticals Inc. |
Kowa Co's Family Patents
Kowa Co Drug List
Given below is the complete list of Kowa Co's drugs and the patents protecting them.
1. Livalo
Livalo is protected by 9 patents, out of which all have expired. Check out its patent list below.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| US7022713
(Pediatric)
| Hyperlipemia therapeutic agent |
19 Aug, 2024
(8 months ago)
| Expired |
| US8557993
(Pediatric)
| Crystalline forms of pitavastatin calcium |
02 Aug, 2024
(9 months ago)
| Expired |
| US7022713 | Hyperlipemia therapeutic agent |
19 Feb, 2024
(1 year, 2 months ago)
| Expired |
| US8557993 | Crystalline forms of pitavastatin calcium |
02 Feb, 2024
(1 year, 3 months ago)
| Expired |
| US5856336
(Pediatric)
| Quinoline type mevalonolactones |
25 Jun, 2021
(3 years ago)
| Expired |
| US5856336 | Quinoline type mevalonolactones |
01 Jan, 2021
(4 years ago)
| Expired |
| US6465477 | Stable pharmaceutical composition |
20 Dec, 2016
(8 years ago)
| Expired |
| US5854259 | Quinoline type mevalonolactones |
29 Dec, 2015
(9 years ago)
| Expired |
| US5753675 | Quinoline analogs of mevalonolactone and derivatives thereof |
19 May, 2015
(9 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 Livalo's drug page