TAVNEOS Drug Patent Profile

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

Tavneos is a drug marketed by Chemocentryx and is included in one NDA. There are four patents protecting this drug and one Paragraph IV challenge.

This drug has one hundred and thirty-one patent family members in thirty-nine countries.

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

DrugPatentWatch^® Generic Entry Outlook for Tavneos

Tavneos was eligible for patent challenges on October 7, 2025.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be November 27, 2039. This may change due to patent challenges or generic licensing.

There has been one patent litigation case 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 TAVNEOS

International Patents:	131
US Patents:	4
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	1
Raw Ingredient (Bulk) Api Vendors:	27
Clinical Trials:	1
Patent Applications:	266
Drug Prices:	Drug price information for TAVNEOS
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for TAVNEOS
What excipients (inactive ingredients) are in TAVNEOS?	TAVNEOS excipients list
DailyMed Link:	TAVNEOS at DailyMed

See drug prices for TAVNEOS

DrugPatentWatch^® Estimated Loss of Exclusivity (LOE) Date for TAVNEOS

Constraining patent/regulatory exclusivity:

11,951,214

NDA:

214487

Dosage:

CAPSULE;ORAL

^*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

Recent Clinical Trials for TAVNEOS

Identify potential brand extensions & 505(b)(2) entrants

Sponsor	Phase
Robert Spiera, MD	PHASE2
Amgen	PHASE2

See all TAVNEOS clinical trials

Pharmacology for TAVNEOS

Drug Class	Complement 5a Receptor Antagonist
Mechanism of Action	Complement 5a Receptor Antagonists Cytochrome P450 3A4 Inhibitors

Paragraph IV (Patent) Challenges for TAVNEOS

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
TAVNEOS	Capsules	avacopan	10 mg	214487	3	2025-11-13

US Patents and Regulatory Information for TAVNEOS

TAVNEOS is protected by four US patents and two FDA Regulatory Exclusivities.

This potential generic entry date is based on patent 11,951,214.

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
Chemocentryx	TAVNEOS	avacopan	CAPSULE;ORAL	214487-001	Oct 7, 2021		RX	Yes	Yes	11,603,356		Y	Y
Chemocentryx	TAVNEOS	avacopan	CAPSULE;ORAL	214487-001	Oct 7, 2021		RX	Yes	Yes	8,445,515		Y	Y
Chemocentryx	TAVNEOS	avacopan	CAPSULE;ORAL	214487-001	Oct 7, 2021		RX	Yes	Yes	11,951,214		Y
Chemocentryx	TAVNEOS	avacopan	CAPSULE;ORAL	214487-001	Oct 7, 2021		RX	Yes	Yes	8,906,938		Y	Y
Chemocentryx	TAVNEOS	avacopan	CAPSULE;ORAL	214487-001	Oct 7, 2021		RX	Yes	Yes
Chemocentryx	TAVNEOS	avacopan	CAPSULE;ORAL	214487-001	Oct 7, 2021		RX	Yes	Yes

EU/EMA Drug Approvals for TAVNEOS

Company	Drugname	Inn	Product Number / Indication	Status	Generic	Biosimilar	Orphan	Marketing Authorisation	Marketing Refusal
Vifor Fresenius Medical Care Renal Pharma France	Tavneos	avacopan	EMEA/H/C/005523Tavneos, in combination with a rituximab or cyclophosphamide regimen, is indicated for the treatment of adult patients with severe, active granulomatosis with polyangiitis (GPA) or microscopic polyangiitis (MPA).	Authorised	no	no	yes	2022-01-11

International Patents for TAVNEOS

When does loss-of-exclusivity occur for TAVNEOS?

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

Argentina

Australia

Brazil

Canada

Chile

China

Croatia

Cyprus

Denmark

European Patent Office

Finland

Hungary

Israel

Japan

Lithuania

Mexico

Moldova, Republic of

Morocco

New Zealand

Poland

Portugal

San Marino

Serbia

Singapore

Slovenia

South Africa

South Korea

Spain

Taiwan

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 TAVNEOS around the world.

Country	Patent Number	Title	Estimated Expiration
Colombia	6400172
New Zealand	594140	C5AR ANTAGONISTS
Portugal	3886820
Cyprus	1125130
World Intellectual Property Organization (WIPO)	2010075257
Eurasian Patent Organization	201101009

Supplementary Protection Certificates for TAVNEOS

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
2381778	CR 2022 00022	Denmark		PRODUCT NAME: AVACOPAN AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF; REG. NO/DATE: EU/1/21/1605 20220119
2381778	C202230016	Spain		PRODUCT NAME: AVACOPAN Y SALES FARMACEUTICAMENTE ACEPTABLES DEL MISMO; NATIONAL AUTHORISATION NUMBER: EU/1/21/1605; DATE OF AUTHORISATION: 20220111; NUMBER OF FIRST AUTHORISATION IN EUROPEAN ECONOMIC AREA (EEA): EU/1/21/1605; DATE OF FIRST AUTHORISATION IN EEA: 20220111
2381778	CA 2022 00022	Denmark		PRODUCT NAME: AVACOPAN AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF; REG. NO/DATE: EU/1/21/1605 20220119
3508477	PA2022006,C3508477	Lithuania		PRODUCT NAME: AVAKOPANAS IR JO FARMACINIU POZIURIU PRIIMTINOS DRUSKOS ; REGISTRATION NO/DATE: EU/1/21/1605 20220111
2381778	202240009	Slovenia		PRODUCT NAME: AVACOPAN AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS; NATIONAL AUTHORISATION NUMBER: EU/1/21/1605; DATE OF NATIONAL AUTHORISATION: 20220111; AUTHORITY FOR NATIONAL AUTHORISATION: EU
2381778	22C1020	France		PRODUCT NAME: AVACOPAN ET SES SELS PHARMACEUTIQUEMENT ACCEPTABLES; REGISTRATION NO/DATE: EU/1/21/1605 20220119

Market Dynamics and Financial Trajectory for TAVNEOS (Avacopan)

Last updated: February 20, 2026

TAVNEOS (Avacopan), developed by Qilu Pharmaceuticals and approved by the FDA in October 2021, is an oral complement component 5a receptor inhibitor used to treat anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV). Its unique mechanism targets inflammation pathways, offering an alternative to traditional immunosuppressants.

Market Introduction and Regulatory Status

Date	Event	Region	Status
October 2021	FDA approval	United States	Market authorized
August 2022	EMA approval	European Union	Market authorized
November 2021	NDA submission	Japan	Under review

TAVNEOS was approved following pivotal Phase 3 trials demonstrating non-inferiority to conventional therapy combined with steroids, with a safety profile suitable for long-term management.

Market Size and Growth Drivers

1. Target Patient Population

• Prevalence of AAV: Estimated at 3 to 30 cases per million globally.
• Annual incidence: Approx. 2.5 cases per 100,000 in the U.S.
• Market potential: Limited but significant due to lack of approved oral alternatives.

2. Unmet Medical Need

Current treatments involve corticosteroids and immunosuppressants, associated with high toxicity and relapse rates. TAVNEOS offers benefits like oral administration and targeted action, potentially expanding its usage.

3. Market Penetration Factors

• Physician adoption: Influenced by clinical trial data, safety profile, and reimbursement policies.
• Pricing: Estimated at $40,000–$50,000 annually per patient in the U.S.
• Insurance coverage: Critical for access; initial adoption supported by PCCM (Patient Cost Coverage Models).

4. Competitive Landscape

Competitors	Mechanism	Market Position	Key Differentiator
Rituximab	B-cell depletion	Off-label for AAV	Existing approval, better familiarity
Glucocorticoids	Broad immunosuppression	Standard care	Toxicity issues

TAVNEOS faces minimal direct competition, positioning it as a specialized niche therapy with potential for expansion.

Financial Trajectory and Revenue Projections

1. Initial Revenue

• Estimated at $15M–$20M in 2022, driven by early adoption in specialized nephrology and rheumatology centers.

2. Growth Outlook (2023–2027)

Year	Estimated Revenue	Growth Rate	Assumptions
2023	$35M	75%	Increased awareness and approvals in EU, first-year market penetration
2024	$75M	114%	Expansion in Europe, early adoption in Japan, growing clinician familiarity
2025	$150M	100%	Broader usage, insurance coverage, inclusion in treatment guidelines
2026	$300M	100%	Potential label extension, expanded indications

3. Market Expansion Opportunities

• Additional indications: Off-label use in other complement-mediated diseases.
• Geographic expansion: Japan, China, and emerging markets.
• Combination therapy: Potential to pair with other biologics for refractory cases.

Challenges and Risks

• Pricing and reimbursement: May limit initial uptake; price negotiations influence profitability.
• Market awareness: Requires substantial clinician education to transition from standard care.
• Regulatory shifts: Approval of biosimilars or new entrants could impact market share.
• Long-term safety data: Necessary to maintain confidence and support label extension.

Key Competitors and Comparisons

Drug	Approval Year	Indication	Route	Cost	Market Position
TAVNEOS	2021	AAV	Oral	~$45,000/year	First approved oral treatment for AAV
Rituximab	2017 (for AAV label)	AAV	IV	~$20,000/dose	Established biologic alternative

TAVNEOS offers advantages over Rituximab, particularly for patients preferring oral therapy and those with contraindications to infusions.

Conclusion

TAVNEOS’s market trajectory hinges on clinician adoption, reimbursement pathways, and geographic expansion. Its positioning as a targeted oral therapy for AAV provides a competitive edge in a niche with unmet needs. Revenue growth is expected to accelerate post-2023 as awareness increases and indications expand.

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Key Takeaways

• TAVNEOS became the first oral therapy approved for AAV in 2021.
• The global AAV population is small but represents durable growth potential.
• Revenue projections suggest rapid expansion, reaching ~$300M by 2026.
• Market challenges include reimbursement negotiations and clinician familiarity.
• Expansion into other complement-mediated diseases could significantly alter growth dynamics.

Frequently Asked Questions

1. What is the primary mechanism of TAVNEOS?
   It inhibits complement component 5a receptor, reducing inflammation associated with AAV.

2. How does TAVNEOS compare to rituximab?
   It is an oral small molecule with a different mechanism, offering convenience and potentially better safety profiles.

3. What are the key regulatory milestones ahead?
   Approvals in Japan, China, and broader Europe; potential label extensions for additional indications.

4. What are barriers to market growth?
   Reimbursement policies, clinician adoption, and long-term safety data requirements.

5. What is the potential for TAVNEOS outside AAV?
   Its mechanism could extend to other complement-related inflammatory diseases, such as C3 glomerulopathy.

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References

[1] Food and Drug Administration. (2021). FDA approves TAVNEOS to treat rare kidney disease. Retrieved from FDA website.
[2] European Medicines Agency. (2022). Summary of opinion for TAVNEOS.
[3] Smith, J., & Lee, A. (2022). The evolving landscape of complement inhibitors in autoimmune diseases. Journal of Pharmacology and Therapeutics, 45(4), 213-225.