Santarus Drug Patent Portfolio
Santarus owns 3 orange book drugs protected by 10 US patents Given below is the list of Santarus's drug patents along with their expiration dates.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| US7780987 | Controlled release dosage forms | 23 Mar, 2025 | Expired |
| US8323692 | Controlled release dosage forms | 23 Mar, 2025 | Expired |
| US6723340 | Optimal polymer mixtures for gastric retentive tablets | 25 Oct, 2021 | Expired |
| US6488962 | Tablet shapes to enhance gastric retention of swellable controlled-release oral dosage forms | 20 Jun, 2020 | Expired |
| US6340475 | Extending the duration of drug release within the stomach during the fed mode | 19 Sep, 2016 | Expired |
| US6635280 | Extending the duration of drug release within the stomach during the fed mode | 19 Sep, 2016 | Expired |
| US6489346 | Substituted benzimidazole dosage forms and method of using same | 16 Jul, 2016 | Expired |
| US6645988 | Substituted benzimidazole dosage forms and method of using same | 16 Jul, 2016 | Expired |
| US6699885 | Substituted benzimidazole dosage forms and methods of using same | 16 Jul, 2016 | Expired |
| US7399772 | Substituted benzimidazole dosage forms and method of using same | 16 Jul, 2016 | Expired |
Latest Legal Activities on Santarus's Drug Patents
Given below is the list of recent legal activities going on the following drug patents of Santarus.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Payment of Maintenance Fee, 12th Year, Large Entity | 26 Jan, 2022 | US7780987 (Litigated) |
|
Expire Patent
Critical
| 17 Aug, 2020 | US7399772 (Litigated) |
| Payment of Maintenance Fee, 8th Year, Large Entity | 04 Jun, 2020 | US8323692 |
|
Maintenance Fee Reminder Mailed
Critical
| 02 Mar, 2020 | US7399772 (Litigated) |
| Review Certificate Mailed | 26 Jul, 2018 | US6723340 (Litigated) |
| Review Certificate | 09 Jul, 2018 | US6723340 (Litigated) |
| Review Certificate Mailed | 09 Feb, 2018 | US6635280 |
| Payment of Maintenance Fee, 8th Year, Large Entity | 02 Feb, 2018 | US7780987 (Litigated) |
| Review Certificate | 14 Dec, 2017 | US6635280 |
| File Marked Found | 25 Apr, 2016 | US6723340 (Litigated) |
| File Marked Found | 18 Feb, 2016 | US6723340 (Litigated) |
| File Marked Found | 12 Feb, 2016 | US6723340 (Litigated) |
| Termination or Final Written Decision | 21 Sep, 2015 | US6635280 |
| Termination or Final Written Decision | 16 Sep, 2015 | US6723340 (Litigated) |
| Termination or Final Written Decision | 08 Jul, 2015 | US6635280 |
Santarus's Drug Patent Litigations
Santarus's drugs have been subject to various legal proceedings, including patent litigations. The earliest legal proceeding was initiated on Apr 17, 2014, against patent number US6723340. The petitioner Endo Pharmaceutical Inc. et al., challenged the validity of this patent, with DepoMed, Inc. as the respondent. Click below to track the latest information on how companies are challenging Santarus's patents.
| Patent | Proceeding Filing Date | Status | Respondent | Petitioner |
|---|---|---|---|---|
 | ||||
| US6340475 | April, 2014 |
Final Written Decision
(21 Sep, 2015)
| Depomed, Inc. | Endo Pharmaceutical Inc. et al. |
| US6635280 | April, 2014 |
Final Written Decision
(21 Sep, 2015)
| Depomed, Inc. | Endo Pharmaceutical Inc. et al. |
| US6723340 | April, 2014 |
Final Written Decision
(16 Sep, 2015)
| DepoMed, Inc. | Endo Pharmaceutical Inc. et al. |
| US6340475 | January, 2014 |
Final Written Decision
(08 Jul, 2015)
| Depomed, Inc. | Purdue Pharma L.P. |
| US6340475 | January, 2014 |
FWD Entered
(08 Jul, 2015)
| Depomed, Inc. | Purdue Pharma L.P. |
| US6635280 | January, 2014 |
Final Written Decision
(08 Jul, 2015)
| DepoMed, Inc. | Purdue Pharma L.P. |
| US6635280 | January, 2014 |
FWD Entered
(08 Jul, 2015)
| DepoMed, Inc. | Purdue Pharma L.P. |
| US6340475 | April, 2014 |
Institution Denied
(29 Sep, 2014)
| Depomed, Inc. | Endo Pharmaceutical Inc. et al. |
| US6635280 | April, 2014 |
Institution Denied
(29 Sep, 2014)
| Depomed, Inc. | Endo Pharmaceutical Inc. et al. |
| US6723340 | April, 2014 |
Institution Denied
(29 Sep, 2014)
| DepoMed, Inc. | Endo Pharmaceutical Inc. et al. |
Santarus's Family Patents
Santarus Drug List
Given below is the complete list of Santarus's drugs and the patents protecting them.
1. Glumetza
Glumetza is protected by 6 patents, out of which all have expired. Check out its patent list below.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| US7780987 | Controlled release dosage forms |
23 Mar, 2025
(10 months ago)
| Expired |
| US8323692 | Controlled release dosage forms |
23 Mar, 2025
(10 months ago)
| Expired |
| US6723340 | Optimal polymer mixtures for gastric retentive tablets |
25 Oct, 2021
(4 years ago)
| Expired |
| US6488962 | Tablet shapes to enhance gastric retention of swellable controlled-release oral dosage forms |
20 Jun, 2020
(5 years ago)
| Expired |
| US6340475 | Extending the duration of drug release within the stomach during the fed mode |
19 Sep, 2016
(9 years ago)
| Expired |
| US6635280 | Extending the duration of drug release within the stomach during the fed mode |
19 Sep, 2016
(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 Glumetza's drug page
2. Magnesium Hydroxide And Omeprazole And Sodium Bicarbonate
Magnesium Hydroxide And Omeprazole And Sodium Bicarbonate is protected by 4 patents, out of which all have expired. Check out its patent list below.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| US6489346 | Substituted benzimidazole dosage forms and method of using same |
16 Jul, 2016
(9 years ago)
| Expired |
| US6645988 | Substituted benzimidazole dosage forms and method of using same |
16 Jul, 2016
(9 years ago)
| Expired |
| US6699885 | Substituted benzimidazole dosage forms and methods of using same |
16 Jul, 2016
(9 years ago)
| Expired |
| US7399772 | Substituted benzimidazole dosage forms and method of using same |
16 Jul, 2016
(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 Magnesium Hydroxide And Omeprazole And Sodium Bicarbonate's drug page
3. Zegerid
Zegerid is protected by 4 patents, out of which all have expired. Check out its patent list below.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| US6489346 | Substituted benzimidazole dosage forms and method of using same |
16 Jul, 2016
(9 years ago)
| Expired |
| US6645988 | Substituted benzimidazole dosage forms and method of using same |
16 Jul, 2016
(9 years ago)
| Expired |
| US6699885 | Substituted benzimidazole dosage forms and methods of using same |
16 Jul, 2016
(9 years ago)
| Expired |
| US7399772 | Substituted benzimidazole dosage forms and method of using same |
16 Jul, 2016
(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 Zegerid's drug page