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Last Updated: March 26, 2026

Rigel Pharms Company Profile


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Summary for Rigel Pharms
International Patents:264
US Patents:32
Tradenames:3
Ingredients:3
NDAs:3

Drugs and US Patents for Rigel Pharms

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Rigel Pharms TAVALISSE fostamatinib disodium TABLET;ORAL 209299-002 Apr 17, 2018 RX Yes Yes 8,912,170 ⤷  Start Trial ⤷  Start Trial
Rigel Pharms REZLIDHIA olutasidenib CAPSULE;ORAL 215814-001 Dec 1, 2022 RX Yes Yes 11,723,905 ⤷  Start Trial Y ⤷  Start Trial
Rigel Pharms TAVALISSE fostamatinib disodium TABLET;ORAL 209299-002 Apr 17, 2018 RX Yes Yes 8,445,485 ⤷  Start Trial Y ⤷  Start Trial
Rigel Pharms REZLIDHIA olutasidenib CAPSULE;ORAL 215814-001 Dec 1, 2022 RX Yes Yes 12,053,463 ⤷  Start Trial Y Y ⤷  Start Trial
Rigel Pharms TAVALISSE fostamatinib disodium TABLET;ORAL 209299-002 Apr 17, 2018 RX Yes Yes 9,266,912 ⤷  Start Trial ⤷  Start Trial
Rigel Pharms TAVALISSE fostamatinib disodium TABLET;ORAL 209299-001 Apr 17, 2018 RX Yes No 8,652,492 ⤷  Start Trial Y ⤷  Start Trial
>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 Rigel Pharms

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Rigel Pharms TAVALISSE fostamatinib disodium TABLET;ORAL 209299-001 Apr 17, 2018 8,211,889 ⤷  Start Trial
Rigel Pharms TAVALISSE fostamatinib disodium TABLET;ORAL 209299-002 Apr 17, 2018 RE48898 ⤷  Start Trial
Rigel Pharms TAVALISSE fostamatinib disodium TABLET;ORAL 209299-002 Apr 17, 2018 9,266,912 ⤷  Start Trial
Rigel Pharms TAVALISSE fostamatinib disodium TABLET;ORAL 209299-001 Apr 17, 2018 9,266,912 ⤷  Start Trial
Rigel Pharms TAVALISSE fostamatinib disodium TABLET;ORAL 209299-002 Apr 17, 2018 9,737,554 ⤷  Start Trial
Rigel Pharms TAVALISSE fostamatinib disodium TABLET;ORAL 209299-001 Apr 17, 2018 RE48898 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

Supplementary Protection Certificates for Rigel Pharms Drugs

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
3371171 122024000021 Germany ⤷  Start Trial PRODUCT NAME: PRALSETINIB UND PHARMAZEUTISCH AKZEPTABLE SALZE DAVON; REGISTRATION NO/DATE: EU/1/21/1555 20211118
1856135 2090014-8 Sweden ⤷  Start Trial PRODUCT NAME: FOSTAMATINIB OR A PHARMACEUTICALLY ACCEPTABLE SALT OF FOSTAMATINIB, OR A HYDRATE OR SOLVATE OF FOSTAMATINIB OR THE PH ARMACEUTICALLY ACCEPTABLE SALT OF FOSTAMATINIB, ESPECIALLY FOSTAMATINIB DISODIUM, OPTIONALLY IN FORM OF A HYDRATE; REG. NO/DATE: EU/1/19/1405 20200113
1856135 301039 Netherlands ⤷  Start Trial PRODUCT NAME: FOSTAMATINIB OF EEN FARMACEUTISCH AANVAARDBAAR ZOUT VAN FOSTAMATINIB, OF EEN HYDRAAT, SOLVAAT OF N-OXIDE VAN FOSTAMATINIB OF HET FARMACEUTISCH AANVAARDBARE ZOUT VAN FOSTAMATINIB, IN HET BIJZONDER DINATRIUMFOSTAMATINIB EVENTUEEL IN DE VORM VAN EEN HYDRAAT; REGISTRATION NO/DATE: EU/1/19/1405 20200113
1856135 C20200009 00319 Estonia ⤷  Start Trial PRODUCT NAME: FOSTAMATINIIB;REG NO/DATE: EU/1/19/1405 13.01.2020
1856135 2020/017 Ireland ⤷  Start Trial PRODUCT NAME: FOSTAMATINIB OR A PHARMACEUTICALLY ACCEPTABLE SALT OF FOSTAMATINIB, OR A HYDRATE, SOLVATE OR N-OXIDE OF FOSTAMATINIB OR THE PHARMACEUTICALLY ACCEPTABLE SALT OF FOSTAMATINIB, ESPECIALLY FOSTAMATINIB DISODIUM, OPTIONALLY IN FORM OF A HYDRATE; REGISTRATION NO/DATE: EU/1/19/1405 20200113
1856135 CR 2020 00018 Denmark ⤷  Start Trial PRODUCT NAME: FOSTAMATINIB OR A PHARMACEUTICALLY ACCEPTABLE SALT OF FOSTAMATINIB, OR A HYDRATE, SOLVATE OR N-OXIDE OF FOSTAMATINIB OR THE PHARMACEUTICALLY ACCEPTABLE SALT OF FOSTAMATINIB, ESPECIALLY FOSTAMATINIB DISODIUM, OPTIONALLY IN FORM OF A HYDRATE; REG. NO/DATE: EU/1/19/1405 20200113
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description
Similar Applicant Names
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Pharmaceutical Competitive Landscape Analysis: Rigel Pharmaceuticals – Market Position, Strengths & Strategic Insights

Last updated: February 20, 2026

What is Rigel Pharmaceuticals’ current market position?

Rigel Pharmaceuticals, founded in 1991 and based in South San Francisco, specializes in small molecule drugs targeting immune and hematologic disorders. The company's pipeline and marketed products position it as a niche player with a focus on autoimmune and inflammatory diseases, primarily through its flagship product, Tavalisse (fostamatinib). As of 2023, Rigel’s market capitalization stands around $600 million, ranking it among small-cap biotech firms. Its revenue for the fiscal year 2022 was approximately $63 million, predominantly from Tavalisse sales.[1]

Compared to larger competitors such as Amgen or BMS, Rigel has a limited portfolio but maintains strategic partnerships that extend its clinical reach. Its numbered pipeline includes candidates targeting hematologic malignancies, autoimmune conditions, and fibrotic diseases.

What are the core strengths of Rigel Pharmaceuticals?

Focused Portfolio in Niche Indications

Rigel concentrates on autoimmune and hematologic disorders, notably immune thrombocytopenia (ITP), where Tavalisse has obtained FDA approval. The specificity of its pipeline minimizes competition in its primary markets and aligns with clinical unmet needs.

Approved Commercial Product

Tavalisse generated $44 million in 2022 domestic sales. It receives reimbursement coverage from major payers, supported by its FDA approval in 2018 for ITP. This provides annual revenue stability and a foundation for incremental growth.[2]

Strategic Partnerships

Rigel has licensing agreements with companies like Daiichi Sankyo for the Japanese market and strategic collaborations with AbbVie and Nike Pharmaceuticals. These partnerships enable geographic expansion, clinical development support, and resource sharing.

Innovation Pipeline

Rigel’s candidates include:

  • R348 (BBR1518): An oral BTK inhibitor targeting autoimmune conditions.
  • R935412: A molecule for fibrotic diseases.
  • Fostamatinib in other indications: Expanded uses under clinical evaluation.

Early-phase trials indicate potential to diversify its revenue sources beyond Tavalisse.

What are the main challenges and weaknesses?

Limited Market Reach

Sales of Tavalisse are concentrated in North America, with minimal penetration in Europe and Asia. The global autoimmune drug market exceeds $25 billion annually, with multiple competitors offering marketed alternatives.

Competition From Large Biotechs

Drugs like Rituximab (Rituxan) and thrombopoietin receptor agonists (e.g., eltrombopag) serve similar indications for ITP, creating pricing pressure and market share challenges. Large companies have broader pipelines and more established distribution channels.

Pipeline Risks

Most pipeline candidates are in early phases, with uncertain timelines for approval. Development failure or delays could jeopardize future revenue streams.

Financial Constraints

Limited revenue streams restrict R&D investment. Operating expenses of approximately $60 million annually outpace product sales, raising concerns over cash flow sustainability without capital raises or licensing deals.

How does Rigel compare to key competitors?

Company Market Cap (USD Bn) Key Revenue (USD Mn) Focus Areas Number of Approved Drugs Pipeline Status
Rigel Pharmaceuticals 0.6 63 Autoimmune, hematologic, fibrosis 1 10+ clinical-stage candidates, mostly early phase
Amgen 134.1 25,400 Oncology, cardiovascular, inflammation 10 Multiple marketed biologics, numerous late-stage candidates
BMS 74.2 45,600 Oncology, immunology 20+ Extensive late-phase pipeline
AbbVie 219.4 58,400 Immunology, oncology, neuroscience 20+ Multiple blockbusters, diversified pipeline

Rigel’s smaller scale limits market influence but allows dedicated focus on niche indications. Competitors with broader portfolios and larger R&D budgets typically outperform in pipeline progression and market expansion.

What strategic options are available to Rigel?

Strengthen Commercial Presence

Expanding sales efforts for Tavalisse in Europe and Asia could increase revenue. Partnering with regional distributors and navigating regulatory pathways expedites market entry.

Diversify Pipeline

Focusing on its pipeline candidates with the greatest potential—such as R348—can diversify income sources, especially if early clinical success continues. License-out options for early-stage programs can also infuse capital.

Enter Strategic Alliances

Forming alliances with larger pharmaceutical firms enables resource sharing, co-development, and accelerated approval pathways for promising candidates.

Improve Financial Flexibility

Equity offerings or debt issuance could fund R&D and commercialization expansion. Alternatively, licensing agreements may provide capital while sharing risk.

Invest in Clinical Development

Prioritizing Phase 2/3 trials for late-stage pipeline candidates shortens time-to-market and enhances valuation.

What are the key takeaways?

  • Rigel maintains a specialized focus on autoimmune and hematologic indications, with Tavalisse as its primary revenue source.
  • The company's limited market reach and competition from large biotechs constrain growth potential.
  • An early-stage pipeline offers opportunities but carries significant development risks.
  • Strategic partnerships and geographic expansion represent immediate avenues for revenue growth.
  • Financially, Rigel depends on licensing, collaborations, and capital markets to support R&D and commercialization efforts.

What are the most common FAQs?

  1. What is the outlook for Tavalisse sales?
    Tavalisse sales are projected to grow modestly with expanded geographic reach and increased patient access, but face competition from established therapies.

  2. Which pipeline candidate has the highest probability of approval?
    R348’s early clinical data suggests potential, but late-phase trial results are necessary to confirm its viability.

  3. How does Rigel intend to compete with larger firms?
    By focusing on niche indications, leveraging partnerships, and optimizing clinical development to reduce time-to-market for pipeline candidates.

  4. What risks threaten Rigel’s future growth?
    Pipeline failures, slow market penetration, limited revenue streams, and aggressive competition form significant threats.

  5. Could Rigel be an acquisition target?
    Its niche focus and pipeline assets might interest larger biotechs seeking diversification, but limited scale could diminish attractiveness unless it demonstrates substantial near-term value.


References

[1] Rigel Pharmaceuticals. (2023). Annual Report 2022. Retrieved from https://investor.rigel.com/financials/sec-filings

[2] FDA. (2018). Fostamatinib (Tavalisse) approved for immune thrombocytopenia. Retrieved from https://www.fda.gov/

Note: Market figures and pipeline statuses are as of early 2023 and subject to change.

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