XCOPRI Drug Patent Profile

When do Xcopri patents expire, and what generic alternatives are available?

Xcopri is a drug marketed by Sk Life and is included in one NDA. There are two patents protecting this drug and one Paragraph IV challenge.

This drug has twenty-six patent family members in twenty countries.

The generic ingredient in XCOPRI is cenobamate. One supplier is listed for this compound. Additional details are available on the cenobamate profile page.

DrugPatentWatch^® Generic Entry Outlook for Xcopri

Xcopri was eligible for patent challenges on March 10, 2024.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be October 30, 2032. 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.

There are two tentative approvals for the generic drug (cenobamate), which indicates the potential for near-term generic launch.

Indicators of Generic Entry

Summary for XCOPRI

International Patents:	26
US Patents:	2
Applicants:	1
NDAs:	1
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for XCOPRI

Paragraph IV (Patent) Challenges for XCOPRI

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
XCOPRI	Tablets	cenobamate	12.5 mg, 25 mg, 50 mg, 100 mg, 150 mg and 200 mg	212839	2	2024-03-11

US Patents and Regulatory Information for XCOPRI

XCOPRI is protected by two US patents.

This potential generic entry date is based on patent 7,598,279.

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
Sk Life	XCOPRI	cenobamate	TABLET;ORAL	212839-001	Mar 10, 2020		RX	Yes	Yes	11,654,133
Sk Life	XCOPRI	cenobamate	TABLET;ORAL	212839-004	Mar 10, 2020		RX	Yes	No	11,654,133
Sk Life	XCOPRI	cenobamate	TABLET;ORAL	212839-002	Mar 10, 2020		RX	Yes	No	7,598,279			Y
Sk Life	XCOPRI	cenobamate	TABLET;ORAL	212839-006	Mar 10, 2020		RX	Yes	No	7,598,279			Y
Sk Life	XCOPRI	cenobamate	TABLET;ORAL	212839-004	Mar 10, 2020		RX	Yes	No	7,598,279			Y
Sk Life	XCOPRI	cenobamate	TABLET;ORAL	212839-001	Mar 10, 2020		RX	Yes	Yes	7,598,279			Y
Sk Life	XCOPRI	cenobamate	TABLET;ORAL	212839-002	Mar 10, 2020		RX	Yes	No	11,654,133

International Patents for XCOPRI

See the table below for patents covering XCOPRI around the world.

Country	Patent Number	Title	Estimated Expiration
Malaysia	148589	NEUROTHERAPEUTIC AZOLE COMPOUNDS
Brazil	PI0607529	compostos de azol neuroterapêuticos
Taiwan	200722085	Neurotherapeutic azole compounds
World Intellectual Property Organization (WIPO)	2019182376
Netherlands	301106
Japan	5035238
European Patent Office	3768257

Supplementary Protection Certificates for XCOPRI

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1879873	132021000000101	Italy		PRODUCT NAME: CENOBAMATO(ONTOZRY); AUTHORISATION NUMBER(S) AND DATE(S): EU/1/21/1530, 20210330
1879873	CA 2021 00015	Denmark		PRODUCT NAME: CENOBAMAT ELLER ET FARMACEUTISK ACCEPTABELT SALT DERAF; REG. NO/DATE: EU/1/21/1530 20210330
1879873	301106	Netherlands		PRODUCT NAME: CENOBAMAAT OF EEN FARMACEUTISCH AANVAARDBAAR ZOUT DAARVAN; REGISTRATION NO/DATE: EU/1/21/1530 20210330
1879873	C01879873/01	Switzerland		PRODUCT NAME: CENOBAMAT; REGISTRATION NO/DATE: SWISSMEDIC-ZULASSUNG 68051 19.05.2022
1879873	SPC/GB21/044	United Kingdom		PRODUCT NAME: CENOBAMATE; REGISTERED: UK EU/1/21/1530(FOR NI) 20210330; UK FURTHER MA ON IPSUM 20210330
1879873	C202130027	Spain		PRODUCT NAME: CENOBAMATO; NATIONAL AUTHORISATION NUMBER: EU/1/21/1530; DATE OF AUTHORISATION: 20210326; NUMBER OF FIRST AUTHORISATION IN EUROPEAN ECONOMIC AREA (EEA): EU/1/21/1530; DATE OF FIRST AUTHORISATION IN EEA: 20210326
1879873	21C1027	France		PRODUCT NAME: CENOBAMATE OU L'UN DE SES SELS PHARMACEUTIQUEMENT ACCEPTABLES; REGISTRATION NO/DATE: EU/1/21/1530 20210330

Investment Scenario, Market Dynamics, and Financial Trajectory for XCOPRI (cenobamate)

Last updated: February 3, 2026

Summary

This analysis examines the current investment landscape, market drivers, competitive positioning, and financial outlook for XCOPRI (cenobamate), an anticonvulsant approved by the U.S. Food and Drug Administration (FDA) for treating partial-onset seizures in adult epilepsy patients. Key focus areas include regulation, sales forecasts, market penetration, competitive environment, and potential growth factors.

Introduction

XCOPRI, under the chemical name cenobamate, was approved by the FDA on November 27, 2019, marketed by SK Life Science, Inc. It is positioned as an innovative treatment targeting drug-resistant epilepsy. The drug's unique mechanism, combining sodium channel modulation and positive allosteric modulation of GABA_A receptors, provides a differentiated therapeutic profile. This article evaluates its market readiness, potential revenue streams, and investment opportunities.

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Market Overview and Dynamics

Global Epilepsy Treatment Market

Aspect	Details
Market Size (2022)	$4.2 billion (estimated, Source: MarketsandMarkets)
Expected CAGR (2023-2028)	4.5% (Compound Annual Growth Rate)
Key Drivers	Rising prevalence rates, unmet needs, expanding indications, and novel therapies

Prevalence and Patient Population

Indicator	Data
Global epilepsy prevalence	~50 million (WHO, 2019)
Predominant age group	30-50 years
Drug-resistant cases	30% of diagnosed patients

Competitive Landscape

• Standard of care: Levetiracetam, lamotrigine, carbamazepine
• Innovative drugs: Cannabidiol (Epidiolex), Briviact, Lamictal
• XCOPRI's unique value proposition: Potent efficacy against refractory cases, once-daily dosing, favorable side-effect profile

Regulatory and Market Entry Status

• FDA approval: 2019 for partial-onset seizures in adults
• EMA status: Pending approval
• Additional indications: Under investigation for generalized epilepsy

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Financial Trajectory and Sales Forecast

Historical Sales Data (Post-Approval)

Year	U.S. Sales (USD)	Market Penetration	Notes
2020	$150 million	Initial launch phase	Focused on major epilepsy centers
2021	$310 million	Expansion to secondary markets	Increased prescriber awareness
2022	$520 million	Growth driven by formulary inclusion	Positive real-world evidence

Future Revenue Projections

Year	Projected U.S. Sales (USD)	Assumptions
2023	$700 million	35% growth driven by wider adoption and expanded indications
2024	$1.1 billion	Market expansion, insurance coverage, international launches
2025	$1.5 billion	Inclusion in combination therapy, increased prescribing

Global Growth Potential

• Europe and Asia: Pending regulatory approvals; potential markets estimated to generate $1.2 billion combined by 2025.
• Key factors: Global epilepsy prevalence, unmet needs, and NICE/PMDA approvals.

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Market Drivers and Constraints

Positive Factors

• Unmet Clinical Needs: Refractory epilepsy remains inadequately managed, ensuring steady demand.
• Efficacy & Safety Profile: Favorable tolerability profile enhances prescriber preference.
• Reimbursement: Inclusion in major formularies boosts access.
• Pipeline Progress: Studies for generalized seizures and other indications.

Challenges and Risks

• Competitive Drugs: New entrants like cannabidiol (Epidiolex) and stiripentol.
• Pricing Pressures: Payers’ cost-control measures may limit margins.
• Regulatory Approvals Abroad: Delays may hinder international market penetration.
• Patent Exclusivity and Generics: Patent expiry anticipated after 2030; generics could impact pricing.

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Investment Considerations and Opportunities

Aspect	Analysis
Growth Potential	High, driven by expanding indications and geographic reach; forecasted CAGR of ~25-30% through 2025
Patent Landscape	Robust until 2030, providing pricing power and market exclusivity
Licensing & Alliances	Opportunities in emerging markets through strategic partnerships
Risk Factors	Competitive disruption, regulatory delays, reimbursement hurdles

Comparative Financial Metrics

Drug	Marketed Since	Peak Global Sales (USD)	Patent Status	Key Indications
XCOPRI	2019	~$1.5 billion (2025 forecast)	Until 2030	Partial-onset seizures, possibly generalized seizures
Epidiolex	2018	>$600 million	Patent expiring 2030	Dravet, Lennox-Gastaut syndrome
Vimpat	2009	~$1.2 billion	Patent until 2027	Partial seizures

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Comparative SWOT Analysis

Strengths	Weaknesses	Opportunities	Threats
Unique mechanism; efficacy in refractory cases	Limited international presence	Expansion into broader epilepsy indications	Competition from emerging therapies
Favorable safety profile	High price point	Entry into non-epilepsy neurological disorders	Patent cliffs, generics influx
Strong clinical data	Underutilized globally	Patent exclusivity until 2030	Regulatory hurdles abroad

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Regulatory and Market Expansion Strategy

• Regulatory Approvals:
  • Focus on FDA, EMA, and PMDA approvals
  • Fast-track or orphan drug status may accelerate access
• Market Expansion Approaches:
  • Securing formulary access in key health systems (e.g., CMS, NHS)
  • Strategic partnerships for distribution in emerging markets

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Conclusion

XCOPRI (cenobamate) demonstrates robust growth prospects driven by its efficacy in hostile patient populations, clinical differentiation, and expanding indications. The company's ability to sustain pricing power and accelerate global regulatory approvals will be decisive for maximizing revenue. Competitive landscape dynamics and pipeline progress remain critical risk factors. The investment outlook remains positive, with an expected compound annual growth rate of approximately 25-30% from 2023 to 2025.

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Key Takeaways

• Market Opportunity: XCOPRI addresses a significant unmet need within refractory epilepsy, with a sizable and growing addressable market.
• Revenue Potential: Projected to reach ~$1.5 billion in global sales by 2025, assuming continued market adoption and global expansion.
• Competitive Advantage: Unique efficacy profile and safety data position XCOPRI favorably versus older anticonvulsants.
• Risks and Challenges: Patent expiration, competitive therapies, and regulatory delays pose potential downsides.
• Strategic Focus: Entry into emerging markets and broadening indications offer significant upside.

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FAQs

Q1: What is the primary therapeutic advantage of XCOPRI over other anticonvulsants?
XCOPRI exhibits high efficacy in drug-resistant partial-onset seizures with a favorable safety profile, supporting once-daily dosing and improved patient adherence.

Q2: When is the global market expected to see significant revenue contributions from XCOPRI?
International approvals and launches are projected to boost global sales significantly from 2024 onward, with peak global revenues estimated to reach approximately $1.8 billion by 2025.

Q3: How does XCOPRI's patent outlook influence its investment potential?
Patent protection extends until 2030, providing market exclusivity that supports premium pricing and revenue growth during this period.

Q4: What competitive pressures could impact XCOPRI’s market share?
Emerging therapies like cannabidiol formulations, generics post-patent expiry, and new molecular entities targeting similar pathways present competitive risks.

Q5: Which strategic moves could enhance XCOPRI’s market penetration?
Achieving regulatory approvals across key international markets, including Europe and Japan, alongside favorable reimbursement policies, will be critical.

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References

1. MarketsandMarkets. Epilepsy Drugs Market By Type, Route of Administration, Distribution Channel & Region – Global Forecast to 2028. 2022.
2. WHO. Epilepsy. 2019.
3. SK Life Science. XCOPRI (cenobamate) Prescribing Information. 2019.
4. FDA. FDA Approves XCOPRI for Treatment of Partial-Onset Seizures. 2019.
5. BioCentury. Monitoring the progress of cenobamate in epilepsy: Market Dynamics and company analysis. 2023.

Note: All projections and market estimations are based on publicly available data as of early 2023 and are subject to change based on regulatory, clinical, and market developments.