You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: November 4, 2024

Details for Patent: 11,261,198

✉ Email this page to a colleague

« Back to Dashboard

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

Subscribe to access the full database, or 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
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

Subscribe to access the full database, or Sign Up
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

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.