CLEVIPREX Drug Patent Profile

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Which patents cover Cleviprex, and when can generic versions of Cleviprex launch?

Cleviprex is a drug marketed by Chiesi and is included in one NDA. There are three patents protecting this drug and one Paragraph IV challenge.

The generic ingredient in CLEVIPREX is clevidipine. Two suppliers are listed for this compound. Additional details are available on the clevidipine profile page.

DrugPatentWatch^® Generic Entry Outlook for Cleviprex

Cleviprex was eligible for patent challenges on August 1, 2012.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be October 10, 2031. This may change due to patent challenges or generic licensing.

There have been two patent litigation cases involving the patents protecting this drug, indicating strong interest in generic launch. Recent data indicate that 63% of patent challenges are decided in favor of the generic patent challenger and that 54% of successful patent challengers promptly launch generic drugs.

Indicators of Generic Entry

Summary for CLEVIPREX

US Patents:	3
Applicants:	1
NDAs:	1
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for CLEVIPREX

Paragraph IV (Patent) Challenges for CLEVIPREX

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
CLEVIPREX	Injectable Emulsion	clevidipine	25 mg/50 mL and 50 mg/100 mL	022156	1	2019-07-02

US Patents and Regulatory Information for CLEVIPREX

CLEVIPREX is protected by three US patents.

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Chiesi	CLEVIPREX	clevidipine	EMULSION;INTRAVENOUS	022156-001	Aug 1, 2008		RX	Yes	Yes			Y
Chiesi	CLEVIPREX	clevidipine	EMULSION;INTRAVENOUS	022156-003	Nov 8, 2013		DISCN	Yes	No			Y
Chiesi	CLEVIPREX	clevidipine	EMULSION;INTRAVENOUS	022156-002	Aug 1, 2008		RX	Yes	Yes			Y
Chiesi	CLEVIPREX	clevidipine	EMULSION;INTRAVENOUS	022156-003	Nov 8, 2013		DISCN	Yes	No			Y
Chiesi	CLEVIPREX	clevidipine	EMULSION;INTRAVENOUS	022156-001	Aug 1, 2008		RX	Yes	Yes			Y
Chiesi	CLEVIPREX	clevidipine	EMULSION;INTRAVENOUS	022156-001	Aug 1, 2008		RX	Yes	Yes			Y
Chiesi	CLEVIPREX	clevidipine	EMULSION;INTRAVENOUS	022156-002	Aug 1, 2008		RX	Yes	Yes			Y

International Patents for CLEVIPREX

When does loss-of-exclusivity occur for CLEVIPREX?

Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:

Australia

Brazil

Canada

China

Denmark

Eurasian Patent Organization

European Patent Office

Hong Kong

Hungary

Japan

Mexico

New Zealand

Poland

Portugal

South Korea

Spain

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

See the table below for additional patents covering CLEVIPREX around the world.

Country	Patent Number	Title	Estimated Expiration
Australia	2011313852
Brazil	112013008601
Canada	2814495
China	103237446
Denmark	2627173
Eurasian Patent Organization	022849
Eurasian Patent Organization	201390541

Supplementary Protection Certificates for CLEVIPREX

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
0726894	C300520	Netherlands		PRODUCT NAME: CLEVIDIPINE; NAT. REGISTRATION NO/DATE: RVG 104771 20111129; FIRST REGISTRATION: PL 16881/0003 20111123
0726894	12C0053	France		PRODUCT NAME: CLEVIDIPINE; NAT. REGISTRATION NO/DATE: NL 37621 20120725; FIRST REGISTRATION: GB - PL 16881/0003 20111123
0726894	C00726894/01	Switzerland		PRODUCT NAME: RACEMISCHES CLEVIDIPINBUTYRAT; REGISTRATION NO/DATE: SWISSMEDIC 60117 11.06.2010
0726894	1290008-0	Sweden		PRODUCT NAME: CLEVIDIPINE; NAT. REG. NO/DATE: 42321 20120120; FIRST REG.: GB PL 16881/0003 20111123
0726894	SPC/GB12/011	United Kingdom		PRODUCT NAME: CLEVIDIPINE; REGISTERED: UK PL16881/0003 20111123
0726894	92209	Luxembourg		PRODUCT NAME: CLEVIDIPINE SOUS TOUTES LES FORMES PROCURANT UNE PROTECTION A PARTIR DU BREVET DE BASE

Last updated: July 18, 2026

CLEVIPREX investment scenario and patent/exclusivity fundamentals analysis (US FDA, Orange Book, generic and settlement risk)

CLEVIPREX (clevidipine butyrate) is an acute-care, IV antihypertensive launched in the US as an injectable for rapid BP lowering. For investment screening, the core question is whether CLEVIPREX can sustain price and volume against near-term generic pressure and whether any remaining patent or regulatory exclusivity meaningfully blocks AB-rated alternatives. Based on the available public record for clevidipine products, the investment thesis is driven by: (1) Orange Book patent coverages and their expiration, (2) exclusivity end dates, (3) Paragraph IV litigation posture if present for specific filings, and (4) hospital formulary and procurement inertia that can delay switching even after legal barriers fall.

No complete, citation-grade Orange Book and FDA exclusivity record for “CLEVIPREX” was provided in the prompt, and the necessary patent-by-patent data (US patents listed for CLEVIPREX, dates, assignees, and any AB/A-rated competitors) is not available within the supplied materials. Under the operating constraints, an accurate end-to-end investment and fundamentals analysis cannot be produced.