Last Updated: September 28, 2026

ASCORBIC ACID Drug Patent Profile

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Which patents cover Ascorbic Acid, and what generic alternatives are available?

Ascorbic Acid is a drug marketed by Fresenius Kabi Usa and Stira and is included in two NDAs.

The generic ingredient in ASCORBIC ACID is ascorbic acid. Three suppliers are listed for this compound. Additional details are available on the ascorbic acid profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Ascorbic Acid

A generic version of ASCORBIC ACID was approved as ascorbic acid by FRESENIUS KABI USA on August 7^th, 2025.

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Summary for ASCORBIC ACID

US Patents:	0
Applicants:	2
NDAs:	2

US Patents and Regulatory Information for ASCORBIC ACID

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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.	Exclusivity Expiration
Fresenius Kabi Usa	ASCORBIC ACID	ascorbic acid	SOLUTION;INTRAVENOUS	217131-001	Aug 7, 2025	AP	RX	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Stira	ASCORBIC ACID	ascorbic acid	SOLUTION;INTRAVENOUS	220172-001	Jul 30, 2026	AP	RX	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Exclusivity Expiration

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