Last Updated: September 24, 2026

Details for Patent: 11,723,874

Name: Drug Patent Intelligence for US Patent 11723874
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

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Which drugs does patent 11,723,874 protect, and when does it expire?

Patent 11,723,874 protects FERRIPROX and is included in one NDA.

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

Summary for Patent: 11,723,874

Title:	Delayed release deferiprone tablets and methods of using the same
Abstract:	The invention is directed to pharmaceutical compositions such as tablets that exhibit delayed release properties when administered as either whole or half tablets. The invention is also directed to delayed release tablets comprising deferiprone for oral administration, for which twice daily administration is bioequivalent to the same daily dose of an immediate release tablet administered thrice daily. The invention is also directed to methods of making and using the same.
Inventor(s):	Bernard Charles Sherman, Michael Spino
Assignee:	Chiesi Farmaceutici SpA
Application Number:	US17/327,135
Patent Claim Types: see list of patent claims	Use; Composition; Dosage form;

Drugs Protected by US Patent 11,723,874

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
Chiesi	FERRIPROX	deferiprone	TABLET;ORAL	212269-001	May 19, 2020		RX	Yes	Yes	11,723,874	⤷ Start Trial				METHOD OF TREATING TRANSFUSIONAL IRON OVERLOAD	⤷ 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 11,723,874

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2018357350	⤷ Start Trial
Brazil	112020008128	⤷ Start Trial
Canada	3077514	⤷ Start Trial
Canada	3172668	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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