Last Updated: June 24, 2026

WAINUA (AUTOINJECTOR) Drug Patent Profile


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Which patents cover Wainua (autoinjector), and what generic alternatives are available?

Wainua (autoinjector) is a drug marketed by Astrazeneca Ab and is included in one NDA. There are four patents protecting this drug.

This drug has two hundred and sixty-one patent family members in forty countries.

The generic ingredient in WAINUA (AUTOINJECTOR) is eplontersen sodium. One supplier is listed for this compound. Additional details are available on the eplontersen sodium profile page.

DrugPatentWatch® Generic Entry Outlook for Wainua (autoinjector)

Wainua (autoinjector) will be eligible for patent challenges on December 21, 2027. This date may extended up to six months if a pediatric exclusivity extension is applied to the drug's patents.

Indicators of Generic Entry

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Summary for WAINUA (AUTOINJECTOR)
International Patents:261
US Patents:4
Applicants:1
NDAs:1
Finished Product Suppliers / Packagers: 1
DailyMed Link:WAINUA (AUTOINJECTOR) at DailyMed

US Patents and Regulatory Information for WAINUA (AUTOINJECTOR)

WAINUA (AUTOINJECTOR) is protected by four US patents and two FDA Regulatory Exclusivities.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Astrazeneca Ab WAINUA (AUTOINJECTOR) eplontersen sodium SOLUTION;SUBCUTANEOUS 217388-001 Dec 21, 2023 RX Yes Yes 10,683,499 ⤷  Start Trial Y Y ⤷  Start Trial
Astrazeneca Ab WAINUA (AUTOINJECTOR) eplontersen sodium SOLUTION;SUBCUTANEOUS 217388-001 Dec 21, 2023 RX Yes Yes 8,101,743 ⤷  Start Trial Y Y ⤷  Start Trial
Astrazeneca Ab WAINUA (AUTOINJECTOR) eplontersen sodium SOLUTION;SUBCUTANEOUS 217388-001 Dec 21, 2023 RX Yes Yes 9,127,276 ⤷  Start Trial Y ⤷  Start Trial
Astrazeneca Ab WAINUA (AUTOINJECTOR) eplontersen sodium SOLUTION;SUBCUTANEOUS 217388-001 Dec 21, 2023 RX Yes Yes 9,181,549 ⤷  Start Trial Y ⤷  Start Trial
Astrazeneca Ab WAINUA (AUTOINJECTOR) eplontersen sodium SOLUTION;SUBCUTANEOUS 217388-001 Dec 21, 2023 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Astrazeneca Ab WAINUA (AUTOINJECTOR) eplontersen sodium SOLUTION;SUBCUTANEOUS 217388-001 Dec 21, 2023 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  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 WAINUA (AUTOINJECTOR)

See the table below for patents covering WAINUA (AUTOINJECTOR) around the world.

Country Patent Number Title Estimated Expiration
Australia 2014259750 ⤷  Start Trial
Australia 2014259755 ⤷  Start Trial
Australia 2014259756 ⤷  Start Trial
Australia 2014259757 ⤷  Start Trial
Australia 2014259759 ⤷  Start Trial
Australia 2017200365 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for WAINUA (AUTOINJECTOR)

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
3524680 CA 2025 00027 Denmark ⤷  Start Trial PRODUCT NAME: EPLONTERSEN OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF; REG. NO/DATE: EU/1/24/1875 20250307
3524680 C20250028 Finland ⤷  Start Trial
3524680 301341 Netherlands ⤷  Start Trial PRODUCT NAME: EPLONTERSEN, DESGEWENST IN DE VORM VAN EEN FARMACEUTISCH AANVAARDBAAR ZOUT; REGISTRATION NO/DATE: EU/1/24/1875 20250307
3524680 122025000044 Germany ⤷  Start Trial PRODUCT NAME: EPLONTERSEN, GEGEBENENFALLS IN FORM EINES PHARMAZEUTISCH VERTRAEGLICHEN SALZES DAVON; REGISTRATION NO/DATE: EU/1/24/1875 20250306
3524680 2025C/700 Belgium ⤷  Start Trial PRODUCT NAME: EPLONTERSEN, OPTIONEEL IN DE VORM VAN EEN FARMACEUTISCH AANVAARDBAAR ZOUT; AUTHORISATION NUMBER AND DATE: EU/1/24/1875 20250306
2991656 C20260001 Finland ⤷  Start Trial
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.