Details for Patent: 8,327,844

Which drugs does patent 8,327,844 protect, and when does it expire?

Patent 8,327,844 protects ONZETRA XSAIL and XHANCE and is included in two NDAs.

This patent has one hundred and fifty-four patent family members in twenty-six countries.

Summary for Patent: 8,327,844

Title:	Nasal delivery method
Abstract:	A delivery device (20, 22) for and a method of delivering a substance to the nasal airway (1) of a subject, in particular the posterior region of the nasal airway, the delivery device comprising: a closure unit for causing the closure of the oropharyngeal velum of the subject; and a delivery unit for delivering a gas flow entraining a substance to one of the nostrils of the subject at such a driving pressure as to flow around the posterior margin of the nasal septum and out of the other nostril of the subject, wherein the delivery unit comprises a nosepiece (30, 40, 58, 82, 102, 132) which includes an outlet through which the gas flow is in use delivered to the one nostril and a sealing member for sealing the one nostril to the outlet such as in use to prevent the escape of the gas flow through the one nostril.
Inventor(s):	Djupesland; Per Gisle (Oslo, NO)
Assignee:	OptiNose AS (Oslo, NO)
Application Number:	10/813,326
Patent Claim Types: see list of patent claims	Use; Delivery; Device; Formulation;

Drugs Protected by US Patent 8,327,844

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Currax	ONZETRA XSAIL	sumatriptan succinate	POWDER;NASAL	206099-001	Jan 27, 2016		RX	Yes	Yes						METHOD OF DRUG DELIVERY VIA THE NASAL CAVITY
Optinose Us Inc	XHANCE	fluticasone propionate	SPRAY, METERED;NASAL	209022-001	Sep 18, 2017		RX	Yes	Yes						METHOD OF DELIVERING FLUTICASONE PROPIONATE TO A NASAL AIRWAY

Foreign Priority and PCT Information for Patent: 8,327,844

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
United Kingdom	9904906.6	Mar 3, 1999
United Kingdom	9911686.5	May 19, 1999

International Family Members for US Patent 8,327,844

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	285810
Austria	422923
Austria	427130
Austria	487506
Austria	506983
Austria	514445
Australia	2002255224