Last Updated: November 12, 2026

Details for Patent: 8,889,671

Name: Drug Patent Intelligence for US Patent 8889671
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

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Which drugs does patent 8,889,671 protect, and when does it expire?

Patent 8,889,671 protects NUZOLVENCE and is included in one NDA.

This patent has thirty-five patent family members in thirty countries.

Summary for Patent: 8,889,671

Title:	Compounds and methods for treating bacterial infections
Abstract:	Compounds of formula (I), pharmaceutically acceptable salts thereof, and uses of the compounds of formula (I) for treating bacterial infections are disclosed.
Inventor(s):	Gregory Steven Basarab, Madhusudhan Reddy Gowravaram, Sheila Irene Hauck, Fei Zhou
Assignee:	AstraZeneca UK Ltd , Entasis Therapeutics Inc
Application Number:	US14/159,773
Patent Claim Types: see list of patent claims	Use; Composition;

Drugs Protected by US Patent 8,889,671

Glossary

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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
Entasis Therap	NUZOLVENCE	zoliflodacin	FOR SUSPENSION;ORAL	219491-001	Dec 12, 2025		RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial		Y		TREATMENT OF UNCOMPLICATED UROGENITAL GONORRHEA DUE TO NEISSERIA GONORRHOEAE	⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

International Family Members for US Patent 8,889,671

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Argentina	094565	⤷ Start Trial
Australia	2014208965	⤷ Start Trial
Brazil	112015017519	⤷ Start Trial
Canada	2897887	⤷ Start Trial
China	105229012	⤷ Start Trial
Cyprus	1122805	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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