Last Updated: August 9, 2026

Patent: 8,512,297

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Summary for Patent: 8,512,297

Title:	Pen-type injector
Abstract:	The present invention relates to injectors, such as pen-type injectors, that provide for administration of medicinal products from a multidose-cartridge and permit a user to set the delivery dose. The injector may include a housing, a piston rod adapted to operate through the housing, a dose dial sleeve located between the housing and the piston rod, and a drive sleeve located between the dose dial sleeve and the piston rod. The dose dial sleeve may have a helical thread of first lead and the drive sleeve may have a helical groove of second lead. The first lead of the helical thread and the second lead of the helical groove may be the same.
Inventor(s):	Robert Frederick Veasey, Robert Perkins, David Aubrey Plumptre
Assignee:	Sanofi Aventis Deutschland GmbH
Application Number:	US13/040,198
Patent Claims:	see list of patent claims

Details for Patent 8,512,297

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Eli Lilly And Company	BASAGLAR	insulin glargine	Injection	205692	December 16, 2015	⤷ Start Trial	2031-03-03
Eli Lilly And Company	BASAGLAR	insulin glargine	Injection	205692	November 15, 2019	⤷ Start Trial	2031-03-03
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

International Patent Family for US Patent 8,512,297

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Country	Patent Number	Estimated Expiration
South Africa	200506658	⤷ Start Trial
South Africa	200506711	⤷ Start Trial
South Africa	200506819	⤷ Start Trial
World Intellectual Property Organization (WIPO)	2004078239	⤷ Start Trial
World Intellectual Property Organization (WIPO)	2004078240	⤷ Start Trial
World Intellectual Property Organization (WIPO)	2004078241	⤷ Start Trial
World Intellectual Property Organization (WIPO)	2004078242	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration

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