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Last Updated: March 19, 2026

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What are the generic sources for febuxostat and what is the scope of patent protection?

Febuxostat is the generic ingredient in two branded drugs marketed by Alembic, Alkem Labs Ltd, Aurobindo Pharma Ltd, Dr Reddys, Hikma, Lupin Ltd, Macleods Pharms Ltd, MSN, Pharmobedient, Prinston Inc, Regcon Holdings, Sun Pharm, Sunshine, Torrent, Zydus Lifesciences, and Takeda Pharms Usa, and is included in sixteen NDAs. There are two patents protecting this compound and one Paragraph IV challenge. Additional information is available in the individual branded drug profile pages.

Febuxostat has thirteen patent family members in eleven countries.

There is one tentative approval for this compound.

Summary for febuxostat
International Patents:13
US Patents:2
Tradenames:2
Applicants:16
NDAs:16
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for febuxostat
Generic filers with tentative approvals for FEBUXOSTAT
Applicant Application No. Strength Dosage Form
⤷  Get Started Free⤷  Get Started Free80MGTABLET;ORAL
⤷  Get Started Free⤷  Get Started Free40MGTABLET;ORAL

The 'tentative' approval signifies that the product meets all FDA standards for marketing, and, but for the patents / regulatory protections, it would approved.

Paragraph IV (Patent) Challenges for FEBUXOSTAT
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
ULORIC Tablets febuxostat 40 mg and 80 mg 021856 10 2013-02-13

US Patents and Regulatory Information for febuxostat

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Alembic FEBUXOSTAT febuxostat TABLET;ORAL 205421-001 Jul 1, 2019 AB RX No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Alembic FEBUXOSTAT febuxostat TABLET;ORAL 205421-002 Jul 1, 2019 AB RX No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Alkem Labs Ltd FEBUXOSTAT febuxostat TABLET;ORAL 212924-001 Dec 7, 2021 AB RX No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for febuxostat

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Takeda Pharms Usa ULORIC febuxostat TABLET;ORAL 021856-002 Feb 13, 2009 6,225,474 ⤷  Get Started Free
Takeda Pharms Usa ULORIC febuxostat TABLET;ORAL 021856-001 Feb 13, 2009 5,614,520 ⤷  Get Started Free
Takeda Pharms Usa ULORIC febuxostat TABLET;ORAL 021856-002 Feb 13, 2009 5,614,520 ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

EU/EMA Drug Approvals for febuxostat

Company Drugname Inn Product Number / Indication Status Generic Biosimilar Orphan Marketing Authorisation Marketing Refusal
Krka, d.d., Novo mesto Febuxostat Krka febuxostat EMEA/H/C/004773Febuxostat Krka is indicated for the treatment of chronic hyperuricaemia in conditions where urate deposition has already occurred (including a history, or presence of, tophus and/or gouty arthritis).Febuxostat Krka is indicated in adults. Authorised yes no no 2019-03-28
Mylan Pharmaceuticals Limited Febuxostat Mylan febuxostat EMEA/H/C/004374Febuxostat Mylan is indicated for the prevention and treatment of hyperuricaemia in adult patients undergoing chemotherapy for haematologic malignancies at intermediate to high risk of Tumor Lysis Syndrome (TLS).Febuxostat Mylan is indicated for the treatment of chronic hyperuricaemia in conditions where urate deposition has already occurred (including a history, or presence of, tophus and/or gouty arthritis).Febuxostat Mylan is indicated in adults. Authorised yes no no 2017-06-15
Menarini International Operations Luxembourg S.A. (MIOL) Adenuric febuxostat EMEA/H/C/00077780 mg strength:Treatment of chronic hyperuricaemia in conditions where urate deposition has already occurred (including a history, or presence of, tophus and/or gouty arthritis).Adenuric is indicated in adults.120 mg strength:Adenuric is indicated for the treatment of chronic hyperuricaemia in conditions where urate deposition has already occurred (including a history, or presence of, tophus and/or gouty arthritis).Adenuric is indicated for the prevention and treatment of hyperuricaemia in adult patients undergoing chemotherapy for haematologic malignancies at intermediate to high risk of Tumor Lysis Syndrome (TLS).Adenuric is indicated in adults. Authorised no no no 2008-04-21
>Company >Drugname >Inn >Product Number / Indication >Status >Generic >Biosimilar >Orphan >Marketing Authorisation >Marketing Refusal

International Patents for febuxostat

Country Patent Number Title Estimated Expiration
Russian Federation 2013109380 СПОСОБ СОПУТСТВУЮЩЕЙ ТЕРАПИИ С ПРИМЕНЕНИЕМ ТЕОФИЛЛИНА И ФЕБУКСОСТАТА ⤷  Get Started Free
Spain 2532210 ⤷  Get Started Free
Japan 2013539747 ⤷  Get Started Free
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for febuxostat

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
1020454 SPC/GB10/019 United Kingdom ⤷  Get Started Free SUPPLEMENTARY PROTECTION CERTIFICATE NO SPC/GB10/019 GRANTED TO TEIJIN LIMITED IN RESPECT OF THE PRODUCT FEBUXOSTAT, THE GRANT OF WHICH WAS ADVERTISED IN JOURNAL NO 6408 DATED 14/03/2012 HAS HAD ITS MAXIMUM PERIOD OF DURATION CORRECTED, SUBJECT TO THE PAYMENT OF THE PRESCRIBED FEES IT WILL EXPIRE ON 22/04/2023.
1020454 CR 2010 00015 Denmark ⤷  Get Started Free PRODUCT NAME: FEBUXOSTAT; REG. NO/DATE: EU/1/08/447/001-004 20080421
1020454 PA2010005,C1020454 Lithuania ⤷  Get Started Free PRODUCT NAME: FEBUXOSTATUM; REGISTRATION NO/DATE: EU/1/08/447/001-EU/1/08/447/004, 0080421
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

Investment Scenario and Fundamentals Analysis for Febuxostat

Last updated: February 20, 2026

Febuxostat is a gout medication developed by Teijin Pharma and marketed by Endo Pharmaceuticals (sold as Uloric in the U.S.). It functions as a xanthine oxidase inhibitor, reducing uric acid production. The drug faces competitive, regulatory, and patent challenges influencing its investment prospects.

Market Position and Competitive Landscape

Market Size and Growth

  • The global gout treatment market stood at approximately USD 2.2 billion in 2022.
  • Expected compound annual growth rate (CAGR): 4.5% through 2027 (MarketWatch, 2022).
  • Febuxostat's sales primarily derived from North America and Europe, with emerging markets showing growth potential.

Key Competitors

Drug Class Patent Expiry Market Share (2022) Regulatory Status
Febuxostat (Uloric) Xanthine oxidase inhibitor 2027 (U.S.) 35% Approved in US, EU, Japan
Allopurinol Xanthine oxidase inhibitor Patent expired 50% Generic widely available
Pegloticase Biological agent Approved 10% For refractory cases

Febuxostat faces patent expiration in the U.S. in 2027, enabling generic competition. It competes primarily with allopurinol, which dominates due to lower costs.

Regulatory and Patent Dynamics

  • Patent rights in major markets expire between 2026 and 2028.
  • U.S. FDA approval granted in 2009; approval in EU and Japan followed in 2010.
  • The FDA issued a boxed warning for cardiovascular risks in 2019; this impacted sales and prescribing patterns.

Pharmacoeconomic and Clinical Profile

  • Efficacy: Demonstrates superior uric acid lowering compared to allopurinol in some studies.
  • Safety concerns: Elevated cardiovascular event risk; influences prescribing.
  • Cost: Generally higher than allopurinol; limits adoption in cost-sensitive markets.

Financial Trends and R&D Outlook

  • Uloric's peak sales reached approximately USD 620 million in 2017, declining post warning to around USD 400 million in 2022.
  • R&D pipeline includes potential combination therapies and new formulations to address safety and compliance issues.
  • Patent expiration in 2027 poses risk of revenue decline unless new formulations or indications are approved.

Investment Considerations

Risks

  • Patent expiration in 2027 risks rapid generic erosion.
  • Regulatory warnings influence market acceptance.
  • Competition from established generics is intense.

Opportunities

  • Market for refractory gout and unmet needs offers growth potential.
  • Potential for label expansion to new indications.
  • R&D efforts to improve safety profile may extend product lifecycle.

Key Financial Metrics (Estimated for 2022)

Metric Value Notes
Sales USD 400 million US, EU, Japan markets
R&D Investment USD 50 million Focus on safety and formulations
Patent Expiry 2027 US market

Conclusion

Febuxostat remains a significant player in gout treatment but faces declining exclusivity starting in 2027 due to patent expiry. Its efficacy advantage is offset by cardiovascular safety concerns and higher costs. Investment hinges on maintaining market share against generics, leveraging pipeline advancements, and navigating regulatory risks.


Key Takeaways

  • Patents for febuxostat expire in 2027, opening the market for generics.
  • Principal competitor is allopurinol, which dominates due to low price.
  • Safety warnings impacted sales, shifting prescriber preferences.
  • R&D pipeline targeting safety improvements and new indications can influence future valuation.
  • The market's growth rate remains moderate; success depends on differentiating formulations and regulatory navigation.

FAQs

1. When will generic versions of febuxostat be available?
Generic competition is expected to begin after patent expiry in 2027 in major markets, primarily the U.S.

2. What safety concerns impact febuxostat's market?
The FDA issued a boxed warning in 2019 citing cardiovascular risks, which influences prescribing.

3. How does febuxostat compare to allopurinol?
Febuxostat is typically more effective at lowering uric acid but has higher costs and safety concerns.

4. Are there any approved alternative indications for febuxostat?
Currently, indications are limited to gout management; no significant label expansions are confirmed.

5. What is the outlook post-patent expiry?
Market share is likely to decline unless the company introduces new formulations or indications that address safety and efficacy.


References

[1] MarketWatch. (2022). Gout treatment market forecast.
[2] FDA. (2019). Boxed warning for febuxostat.
[3] Company filings and annual reports (2017–2022).

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