Dusa Drug Patent Portfolio
Dusa owns 1 orange book drug protected by 11 US patents Given below is the list of Dusa's drug patents along with their expiration dates.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| US10357567 | Methods for photodynamic therapy | 12 Jan, 2038 | Active |
| US11077192 | Methods for photodynamic therapy | 12 Jan, 2038 | Active |
| US11135293 | Methods for photodynamic therapy | 12 Jan, 2038 | Active |
| US11571478 | Methods for photodynamic therapy | 12 Jan, 2038 | Active |
| US11690914 | Methods for photodynamic therapy | 12 Jan, 2038 | Active |
| US7723910 | Method of photodynamically diagnosing or treating a contoured surface | 17 Jun, 2019 | Expired |
| US6709446 | Illuminator for photodynamic therapy and diagnosis which produces substantially uniform intensity visible light | 01 May, 2018 | Expired |
| US8216289 | Illuminator for photodynamic therapy | 01 May, 2018 | Expired |
| US8758418 | Illuminator for photodynamic therapy | 01 May, 2018 | Expired |
| US5954703 | Method and apparatus for applying 5-aminolevulinic acid | 31 Oct, 2017 | Expired |
| US5079262 | Method of detection and treatment of malignant and non-malignant lesions utilizing 5-aminolevulinic acid | 30 Sep, 2013 | Expired |
Latest Legal Activities on Dusa's Drug Patents
Given below is the list of recent legal activities going on the following drug patents of Dusa.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
|
Email Notification
Critical
| 06 Jul, 2023 | US11690914 |
| Mail Patent eGrant Notification | 04 Jul, 2023 | US11690914 |
| Patent eGrant Notification | 04 Jul, 2023 | US11690914 |
|
Email Notification
Critical
| 04 Jul, 2023 | US11690914 |
|
Patent Issue Date Used in PTA Calculation
Critical
| 04 Jul, 2023 | US11690914 |
|
Electronic Review
Critical
| 04 Jul, 2023 | US11690914 |
|
Recordation of Patent Grant Mailed
Critical
| 04 Jul, 2023 | US11690914 |
| Recordation of Patent eGrant | 04 Jul, 2023 | US11690914 |
|
Email Notification
Critical
| 15 Jun, 2023 | US11690914 |
|
Electronic Review
Critical
| 15 Jun, 2023 | US11690914 |
|
Issue Notification Mailed
Critical
| 14 Jun, 2023 | US11690914 |
|
Application Is Considered Ready for Issue
Critical
| 01 Jun, 2023 | US11690914 |
| Dispatch to FDC | 01 Jun, 2023 | US11690914 |
|
Information Disclosure Statement considered
Critical
| 01 Jun, 2023 | US11690914 |
|
Information Disclosure Statement considered
Critical
| 30 May, 2023 | US11690914 |
Dusa's Drug Patent Litigations
Dusa's drugs have been subject to various legal proceedings, including patent litigations. The earliest legal proceeding was initiated on Aug 22, 2018, against patent number US8216289. The petitioner Biofrontera Incorporated, challenged the validity of this patent, with DUSA Pharmaceuticals Inc. as the respondent. Click below to track the latest information on how companies are challenging Dusa's patents.
| Patent | Proceeding Filing Date | Status | Respondent | Petitioner |
|---|---|---|---|---|
 | ||||
| US10357567 | October, 2021 |
Terminated
(24 Jan, 2022)
| DUSA Pharmaceuticals, Inc. et al. | Biofrontera Inc. et al. |
| US8216289 | August, 2018 |
Terminated-Denied
(26 Feb, 2019)
| DUSA Pharmaceuticals Inc. | Biofrontera Incorporated |
Dusa's Family Patents
Dusa Drug List
Given below is the complete list of Dusa's drugs and the patents protecting them.
1. Levulan
Levulan is protected by 11 patents, out of which 6 have expired. Check out its patent list below.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| US10357567 | Methods for photodynamic therapy |
12 Jan, 2038
(13 years from now)
| Active |
| US11077192 | Methods for photodynamic therapy |
12 Jan, 2038
(13 years from now)
| Active |
| US11135293 | Methods for photodynamic therapy |
12 Jan, 2038
(13 years from now)
| Active |
| US11571478 | Methods for photodynamic therapy |
12 Jan, 2038
(13 years from now)
| Active |
| US11690914 | Methods for photodynamic therapy |
12 Jan, 2038
(13 years from now)
| Active |
| US7723910 | Method of photodynamically diagnosing or treating a contoured surface |
17 Jun, 2019
(5 years ago)
| Expired |
| US6709446 | Illuminator for photodynamic therapy and diagnosis which produces substantially uniform intensity visible light |
01 May, 2018
(6 years ago)
| Expired |
| US8216289 | Illuminator for photodynamic therapy |
01 May, 2018
(6 years ago)
| Expired |
| US8758418 | Illuminator for photodynamic therapy |
01 May, 2018
(6 years ago)
| Expired |
| US5954703 | Method and apparatus for applying 5-aminolevulinic acid |
31 Oct, 2017
(6 years ago)
| Expired |
| US5079262 | Method of detection and treatment of malignant and non-malignant lesions utilizing 5-aminolevulinic acid |
30 Sep, 2013
(11 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 Levulan's drug page