DAWNZERA (AUTOINJECTOR) Drug Patent Profile
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Which patents cover Dawnzera (autoinjector), and what generic alternatives are available?
Dawnzera (autoinjector) is a drug marketed by Ionis Pharms Inc and is included in one NDA. There are five patents protecting this drug.
This drug has three hundred and seven patent family members in forty countries.
The generic ingredient in DAWNZERA (AUTOINJECTOR) is donidalorsen sodium. One supplier is listed for this compound. Additional details are available on the donidalorsen sodium profile page.
DrugPatentWatch® Generic Entry Outlook for Dawnzera (autoinjector)
By analyzing the patents and regulatory protections it appears that the earliest date
for generic entry will be October 21, 2032. This may change due to patent challenges or generic licensing.
Indicators of Generic Entry
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Questions you can ask:
- What is the 5 year forecast for DAWNZERA (AUTOINJECTOR)?
- What are the global sales for DAWNZERA (AUTOINJECTOR)?
- What is Average Wholesale Price for DAWNZERA (AUTOINJECTOR)?
Summary for DAWNZERA (AUTOINJECTOR)
| International Patents: | 307 |
| US Patents: | 5 |
| Applicants: | 1 |
| NDAs: | 1 |
| Finished Product Suppliers / Packagers: | 1 |
| DailyMed Link: | DAWNZERA (AUTOINJECTOR) at DailyMed |
DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for DAWNZERA (AUTOINJECTOR)
Generic Entry Date for DAWNZERA (AUTOINJECTOR)*:
Constraining patent/regulatory exclusivity:
NDA:
Dosage:
SOLUTION;SUBCUTANEOUS |
*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.
US Patents and Regulatory Information for DAWNZERA (AUTOINJECTOR)
DAWNZERA (AUTOINJECTOR) is protected by five US patents.
Based on analysis by DrugPatentWatch, the earliest date for a generic version of DAWNZERA (AUTOINJECTOR) is ⤷ Start Trial.
This potential generic entry date is based on patent ⤷ Start Trial.
Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Exclusivity Expiration |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ionis Pharms Inc | DAWNZERA (AUTOINJECTOR) | donidalorsen sodium | SOLUTION;SUBCUTANEOUS | 219407-001 | Aug 21, 2025 | RX | Yes | Yes | ⤷ Start Trial | ⤷ Start Trial | Y | Y | ⤷ Start Trial | ||
| Ionis Pharms Inc | DAWNZERA (AUTOINJECTOR) | donidalorsen sodium | SOLUTION;SUBCUTANEOUS | 219407-001 | Aug 21, 2025 | RX | Yes | Yes | ⤷ Start Trial | ⤷ Start Trial | Y | ⤷ Start Trial | |||
| Ionis Pharms Inc | DAWNZERA (AUTOINJECTOR) | donidalorsen sodium | SOLUTION;SUBCUTANEOUS | 219407-001 | Aug 21, 2025 | RX | Yes | Yes | ⤷ Start Trial | ⤷ Start Trial | ⤷ Start Trial | ||||
| Ionis Pharms Inc | DAWNZERA (AUTOINJECTOR) | donidalorsen sodium | SOLUTION;SUBCUTANEOUS | 219407-001 | Aug 21, 2025 | RX | Yes | Yes | ⤷ Start Trial | ⤷ Start Trial | Y | ⤷ Start Trial | |||
| >Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Exclusivity Expiration |
International Patents for DAWNZERA (AUTOINJECTOR)
When does loss-of-exclusivity occur for DAWNZERA (AUTOINJECTOR)?
Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:
Australia
Patent: 12267546
Patent: Methods for modulating kallikrein (KLKB1) expression
Estimated Expiration: ⤷ Start Trial
Canada
Patent: 38984
Patent: PROCEDES POUR MODULER L'EXPRESSION DE LA KALLICREINE (KLKB1) (METHODS FOR MODULATING KALLIKREIN (KLKB1) EXPRESSION)
Estimated Expiration: ⤷ Start Trial
European Patent Office
Patent: 17923
Patent: PROCÉDÉS POUR MODULER L'EXPRESSION DE LA KALLICRÉINE (KLKB1) (METHODS FOR MODULATING KALLIKREIN (KLKB1) EXPRESSION)
Estimated Expiration: ⤷ Start Trial
Patent: 20922
Patent: PROCÉDÉS PERMETTANT DE MODULER L'EXPRESSION DE LA KALLICRÉINE (KLKB1) (METHODS FOR MODULATING KALLIKREIN (KLKB1) EXPRESSION)
Estimated Expiration: ⤷ Start Trial
Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.
See the table below for additional patents covering DAWNZERA (AUTOINJECTOR) around the world.
| Country | Patent Number | Title | Estimated Expiration |
|---|---|---|---|
| New Zealand | 712737 | Conjugated antisense compounds and their use | ⤷ Start Trial |
| Malaysia | 178929 | COMPOSITIONS AND METHODS FOR MODULATING HBV AND TTR EXPRESSION | ⤷ Start Trial |
| Japan | 6652922 | ⤷ Start Trial | |
| Australia | 2014259757 | Compositions and methods for modulating HBV and TTR expression | ⤷ Start Trial |
| >Country | >Patent Number | >Title | >Estimated Expiration |
Supplementary Protection Certificates for DAWNZERA (AUTOINJECTOR)
| Patent Number | Supplementary Protection Certificate | SPC Country | SPC Expiration | SPC Description |
|---|---|---|---|---|
| 3524680 | 28/2025 | Austria | ⤷ Start Trial | PRODUCT NAME: EPLONTERSEN, OPTIONAL IN DER FORM EINES PHARMAZEUTISCH ANNEHMBAREN SALZES DAVON; REGISTRATION NO/DATE: EU/1/24/1875 (MITTEILUNG) 20250307 |
| 3524680 | CA 2025 00027 | Denmark | ⤷ Start Trial | PRODUCT NAME: EPLONTERSEN OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF; REG. NO/DATE: EU/1/24/1875 20250307 |
| 2991656 | CA 2026 00003 | Denmark | ⤷ Start Trial | PRODUCT NAME: OLEZARSEN AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF; REG. NO/DATE: EU/1/25/1969 20250918 |
| 3524680 | 122025000044 | Germany | ⤷ Start Trial | PRODUCT NAME: EPLONTERSEN, GEGEBENENFALLS IN FORM EINES PHARMAZEUTISCH VERTRAEGLICHEN SALZES DAVON; REGISTRATION NO/DATE: EU/1/24/1875 20250306 |
| >Patent Number | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration | >SPC Description |
Market Dynamics and Financial Trajectory for DAWNZERA (Autoinjector)
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