Last Updated: August 4, 2026

Claims for Patent: 11,179,524

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Summary for Patent: 11,179,524

Title:	Auto injector with detection of used cartridge and associated method
Abstract:	Disclosed is an auto-injector for administering a medicament, comprising: a housing; a cartridge receiver configured to receive a cartridge comprising a first stopper; a drive module coupled to move a plunger rod configured to move the first stopper; a resistance sensor configured to provide a resistance signal indicative of resistance against movement of the plunger rod; and a processing unit coupled to the drive module and to the resistance sensor. The processing unit being configured to: control the drive module to move the plunger rod towards the extended plunger rod position; determine present plunger rod position; receive the resistance signal; determine a cartridge parameter based on the resistance signal and the present plunger rod position; and control the drive module to adjust the movement of the plunger rod based on the cartridge parameter.
Inventor(s):	Pedersen Per Mølgaard, Lind Michael, Jensen Steen, Egesborg Henrik
Assignee:	Ascendis Pharma A/S
Application Number:	US16060593
Patent Claims:

Details for Patent 11,179,524

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Ascendis Pharma Endocrinology Division A/s	SKYTROFA	lonapegsomatropin-tcgd	For Injection	761177	August 25, 2021	11,179,524	2036-12-29
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

International Patent Family for US Patent 11,179,524

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Country	Patent Number	Estimated Expiration
World Intellectual Property Organization (WIPO)	2017114911	⤷ Start Trial
United States of America	2024277944	⤷ Start Trial
United States of America	2022152310	⤷ Start Trial
United States of America	2019224419	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration

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