Antares Drug Patent Portfolio
Antares owns 1 orange book drug protected by 27 US patents Given below is the list of Antares's drug patents along with their expiration dates.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| US10646495 | Testosterone ester triglyceride formulations | 30 Aug, 2038 | Active |
| US9950125 | Needle assisted jet injection administration of testosterone compositions | 04 Sep, 2036 | Active |
| US9744302 | Needle assisted jet injection device having reduced trigger force | 19 Nov, 2035 | Active |
| US11191908 | Syringe shock absorber for use in an injection device | 18 Oct, 2035 | Active |
| US12629483 | Syringe Shock Absorber For Use In An Injection Device | 07 Aug, 2035 | Active |
| US11813435 | Needle assisted injection device having reduced trigger force | 25 Feb, 2035 | Active |
| US10238662 | Needle assisted jet injection administration of testosterone compositions | 19 Feb, 2035 | Active |
| US10912782 | Needle assisted injection administration of testosterone compositions | 19 Feb, 2035 | Active |
| US11160751 | Hematocrit modulation through needle assisted jet injection of testosterone | 07 Oct, 2034 | Active |
| US11771646 | Needle assisted jet injection administration of testosterone compositions | 10 Apr, 2034 | Active |
| US10881798 | Needle assisted injection device having reduced trigger force | 11 Feb, 2034 | Active |
| US10821072 | Needle assisted jet injection administration of testosterone compositions | 04 Jun, 2033 | Active |
| US11844804 | Administration of testosterone compositions | 04 Jun, 2033 | Active |
| US10357609 | Needle assisted jet injection device having reduced trigger force | 21 Aug, 2031 | Active |
| US10905827 | Injection device with cammed ram assembly | 21 Aug, 2031 | Active |
| US11446440 | Needle assisted injection device having reduced trigger force | 21 Aug, 2031 | Active |
| US10279131 | Injection device with cammed RAM assembly | 31 Jul, 2031 | Active |
| US11497753 | Hazardous agent injection system | 19 Mar, 2030 | Active |
| US8021335 | Prefilled syringe jet injector | 04 Oct, 2026 | Expired |
| US10478560 | Prefilled syringe injector | 24 Jan, 2026 | Expired |
| US11446441 | Prefilled syringe injector | 24 Jan, 2026 | Expired |
| US8562564 | Prefilled syringe jet injector | 24 Jan, 2026 | Expired |
| US9180259 | Prefilled syringe jet injector | 24 Jan, 2026 | Expired |
| US9533102 | Prefilled syringe jet injector | 24 Jan, 2026 | Expired |
| US9629959 | Prefilled syringe jet injector | 24 Jan, 2026 | Expired |
| USRE44846 | Needle assisted jet injector | 10 Aug, 2019 | Expired |
| USRE44847 | Needle assisted jet injector | 10 Aug, 2019 | Expired |
Latest Legal Activities on Antares's Drug Patents
Given below is the list of recent legal activities going on the following drug patents of Antares.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Payment of Maintenance Fee, 8th Year, Large Entity | 22 Oct, 2025 | US9950125 |
| Payment of Maintenance Fee, 4th Year, Large Entity | 06 Jun, 2025 | US11191908 |
| Payment of Maintenance Fee, 4th Year, Large Entity | 01 May, 2025 | US11160751 |
| Payment of Maintenance Fee, 12th Year, Large Entity | 17 Apr, 2025 | US8562564 |
| Payment of Maintenance Fee, 8th Year, Large Entity | 26 Feb, 2025 | US9744302 |
| Correspondence Address Change | 12 Dec, 2024 | US10905827 |
| Correspondence Address Change | 12 Dec, 2024 | US10238662 |
| Correspondence Address Change | 12 Dec, 2024 | US10912782 |
| Correspondence Address Change | 12 Dec, 2024 | US11160751 |
| Correspondence Address Change | 12 Dec, 2024 | US10357609 |
| Correspondence Address Change | 12 Dec, 2024 | US11191908 |
| Correspondence Address Change | 12 Dec, 2024 | US10881798 |
| Correspondence Address Change | 12 Dec, 2024 | US10279131 |
| Correspondence Address Change | 12 Dec, 2024 | US10821072 |
| Correspondence Address Change | 12 Dec, 2024 | US11813435 |
Antares Drug Patents' Oppositions Filed in EPO
Antares drug patents have faced multiple oppositions in the European Patent Office. The earliest opposition was filed on Oct 07, 2019, by Bandpay & Greuter. This opposition was filed on patent number EP06719329A. Click below to reveal the latest opposition data.
| Application | Filing Date | Opposition Party | Legal Status |
|---|---|---|---|
 | |||
| EP19150366A | Sep, 2022 | Bandpay & Greuter | Granted and Under Opposition |
| EP06719329A | Oct, 2019 | Bandpay & Greuter | Patent maintained as amended |
Antares's Family Patents
Antares drugs have patent protection in a total of 13 countries. It has a significant patent presence in the US with 56.2% of its patents being US patents. 4 countries have all of their patents expired or invalidated which has opened up potential generic launch opportunities in these countries. Click
below to unlock the full patent family tree.
Clinical Trials
Recent Clinical Trials by Antares:
| Title | Lead Sponsor | Collaborators | Status | Phases |
|---|---|---|---|---|
 | ||||
| A Study to Evaluate ATX-898 in Participants With Advanced Solid Tumors | Antares Therapeutics, Inc | NA |
NOT YET RECRUITING
(Aug 1, 2026)
| PHASE1, PHASE2 |
Antares Drug List
Given below is the complete list of Antares's drugs and the patents protecting them.
1. Xyosted (autoinjector)
Xyosted (autoinjector) is protected by 27 patents, out of which 9 have expired. Check out its patent list below.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| US10646495 | Testosterone ester triglyceride formulations |
30 Aug, 2038
(11 years from now)
| Active |
| US9950125 | Needle assisted jet injection administration of testosterone compositions |
04 Sep, 2036
(9 years from now)
| Active |
| US9744302 | Needle assisted jet injection device having reduced trigger force |
19 Nov, 2035
(9 years from now)
| Active |
| US11191908 | Syringe shock absorber for use in an injection device |
18 Oct, 2035
(9 years from now)
| Active |
| US12629483 | Syringe Shock Absorber For Use In An Injection Device |
07 Aug, 2035
(8 years from now)
| Active |
| US11813435 | Needle assisted injection device having reduced trigger force |
25 Feb, 2035
(8 years from now)
| Active |
| US10238662 | Needle assisted jet injection administration of testosterone compositions |
19 Feb, 2035
(8 years from now)
| Active |
| US10912782 | Needle assisted injection administration of testosterone compositions |
19 Feb, 2035
(8 years from now)
| Active |
| US11160751 | Hematocrit modulation through needle assisted jet injection of testosterone |
07 Oct, 2034
(7 years from now)
| Active |
| US11771646 | Needle assisted jet injection administration of testosterone compositions |
10 Apr, 2034
(7 years from now)
| Active |
| US10881798 | Needle assisted injection device having reduced trigger force |
11 Feb, 2034
(7 years from now)
| Active |
| US10821072 | Needle assisted jet injection administration of testosterone compositions |
04 Jun, 2033
(6 years from now)
| Active |
| US11844804 | Administration of testosterone compositions |
04 Jun, 2033
(6 years from now)
| Active |
| US10357609 | Needle assisted jet injection device having reduced trigger force |
21 Aug, 2031
(4 years from now)
| Active |
| US10905827 | Injection device with cammed ram assembly |
21 Aug, 2031
(4 years from now)
| Active |
| US11446440 | Needle assisted injection device having reduced trigger force |
21 Aug, 2031
(4 years from now)
| Active |
| US10279131 | Injection device with cammed RAM assembly |
31 Jul, 2031
(4 years from now)
| Active |
| US11497753 | Hazardous agent injection system |
19 Mar, 2030
(3 years from now)
| Active |
| US8021335 | Prefilled syringe jet injector |
04 Oct, 2026
(6 days ago)
| Expired |
| US10478560 | Prefilled syringe injector |
24 Jan, 2026
(8 months ago)
| Expired |
| US11446441 | Prefilled syringe injector |
24 Jan, 2026
(8 months ago)
| Expired |
| US8562564 | Prefilled syringe jet injector |
24 Jan, 2026
(8 months ago)
| Expired |
| US9180259 | Prefilled syringe jet injector |
24 Jan, 2026
(8 months ago)
| Expired |
| US9533102 | Prefilled syringe jet injector |
24 Jan, 2026
(8 months ago)
| Expired |
| US9629959 | Prefilled syringe jet injector |
24 Jan, 2026
(8 months ago)
| Expired |
| USRE44846 | Needle assisted jet injector |
10 Aug, 2019
(7 years ago)
| Expired |
| USRE44847 | Needle assisted jet injector |
10 Aug, 2019
(7 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 Xyosted (autoinjector)'s drug page
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