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Last Updated: December 13, 2024

Details for Patent: 11,261,198

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Which drugs does patent 11,261,198 protect, and when does it expire?

Patent 11,261,198 protects XOFLUZA and is included in two NDAs.

This patent has twenty-six patent family members in seventeen countries.

Summary for Patent: 11,261,198

Title:	Process for preparing substituted polycyclic pyridone derivative and crystal thereof
Abstract:	The present invention provides a process for preparing a compound of the formula (II): ##STR00001## wherein R.sup.2 is unsubstituted alkyl, characterized by reacting a compound of the formula (I): ##STR00002## wherein R.sup.1 is hydrogen or a protecting group other than unsubstituted alkyl, with a compound of the formula: R.sup.2--OH, wherein R.sup.2 is as defined above, in the presence of a sodium salt and/or a magnesium salt.
Inventor(s):	Shibahara; Setsuya (Amagasaki, JP), Anan; Kosuke (Toyonaka, JP)
Assignee:	SHIONOGI & CO., LTD. (Osaka, JP)
Application Number:	16/310,897
Patent Claim Types: see list of patent claims	Compound; Process;

Drugs Protected by US Patent 11,261,198

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Genentech Inc	XOFLUZA	baloxavir marboxil	FOR SUSPENSION;ORAL	214410-001	Nov 23, 2020		RX	Yes	Yes	⤷ Sign Up	⤷ Sign Up	Y				⤷ Sign Up
Genentech Inc	XOFLUZA	baloxavir marboxil	TABLET;ORAL	210854-001	Oct 24, 2018		DISCN	Yes	No	⤷ Sign Up	⤷ Sign Up	Y				⤷ Sign Up
Genentech Inc	XOFLUZA	baloxavir marboxil	TABLET;ORAL	210854-002	Oct 24, 2018		RX	Yes	No	⤷ Sign Up	⤷ Sign Up	Y				⤷ Sign Up
Genentech Inc	XOFLUZA	baloxavir marboxil	TABLET;ORAL	210854-003	Mar 18, 2021		RX	Yes	Yes	⤷ Sign Up	⤷ Sign Up	Y				⤷ Sign Up
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

Foreign Priority and PCT Information for Patent: 11,261,198

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Japan	JP2016-121453	Jun 20, 2016

PCT Information
PCT Filed	June 19, 2017	PCT Application Number:	PCT/JP2017/022478
PCT Publication Date:	December 28, 2017	PCT Publication Number:	WO2017/221869

International Family Members for US Patent 11,261,198

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Argentina	108812	⤷ Sign Up
Australia	2017282305	⤷ Sign Up
Brazil	112018076600	⤷ Sign Up
Canada	3027840	⤷ Sign Up
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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