Last Updated: August 10, 2026

Details for Patent: 9,254,328

Name: Drug Patent Intelligence for US Patent 9254328
Creator: DrugPatentWatch
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Which drugs does patent 9,254,328 protect, and when does it expire?

Patent 9,254,328 protects TYGACIL and is included in one NDA.

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

Summary for Patent: 9,254,328

Title:	Tigecycline compositions and methods of preparation
Abstract:	The present invention relates to novel tigecycline compositions with improved stability in both solid and solution states and processes for making these compositions. These compositions comprise tigecycline, a suitable carbohydrate, and an acid or buffer.
Inventor(s):	Mahdi B. Fawzi, Tianmin Zhu, Syed M. Shah
Assignee:	Wyeth LLC
Application Number:	US14/604,924
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 9,254,328
Patent Claim Types: see list of patent claims	Composition; Process;
Patent landscape, scope, and claims:	error: insufficient information More… ↓ ⤷ Start Trial

Drugs Protected by US Patent 9,254,328

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
Pf Prism Cv	TYGACIL	tigecycline	POWDER;INTRAVENOUS	021821-001	Jun 15, 2005	AP	RX	Yes	Yes	9,254,328	⤷ Start Trial	Y				⤷ 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 9,254,328

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Argentina	053827	⤷ Start Trial
Argentina	109500	⤷ Start Trial
Australia	2006223226	⤷ Start Trial
Brazil	PI0608464	⤷ Start Trial
Canada	2602089	⤷ Start Trial
China	101132775	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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