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Harvard Business School

Last Updated: December 3, 2022

Details for Patent: 6,746,429

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Summary for Patent: 6,746,429
Title: Needle assisted jet injector
Abstract:A needle assisted jet injector and method for jet injecting medicament are disclosed. In one embodiment of the injector, the needle is retractably located within an injector nozzle assembly. Upon activation of the force generating source, a portion of the needle extends past the nozzle assembly and penetrates the outer layer of skin to deliver the medicament via jet injection to a deeper region. After activation, the needle retracts back into the nozzle assembly. In another embodiment, the needle is fixed to the end of the nozzle assembly. In both embodiments, the length of the portion of the needle that penetrates the skin is less than 5 mm.
Inventor(s): Sadowski; Peter L. (Woodbury, MN), DeBoer; David M. (Brighton, MI), Berman; Claude L. (Ypsilanti, MI), Lesch, Jr.; Paul R. (Lexington, MN), Holland; Margaret L. (Rochester, NY)
Assignee: Antares Pharma, Inc. (Minneapolis, MN)
Application Number:09/779,603
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,746,429
Patent Claim Types:
see list of patent claims
Delivery; Device;

Drugs Protected by US Patent 6,746,429

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 6,746,429

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 240756 See Plans and Pricing
Austria 281195 See Plans and Pricing
Australia 5470499 See Plans and Pricing
China 1212867 See Plans and Pricing
China 1323230 See Plans and Pricing
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

Johnson and Johnson

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