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Last Updated: December 16, 2025

Details for Patent: 11,938,141


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Which drugs does patent 11,938,141 protect, and when does it expire?

Patent 11,938,141 protects WINLEVI and is included in one NDA.

This patent has seventy-two patent family members in twenty-four countries.

Summary for Patent: 11,938,141
Title:Enzymatic process for obtaining 17 alpha-monoesters of cortexolone and/or its 9,11-dehydroderivatives
Abstract:The present invention refers to a new enzymatic process for obtaining 17α-monoesters of cortexolone and/or its 9,11-dehydroderivatives starting from the corresponding 17α,21-diesters which comprises an enzymatic alcoholysis reaction. Furthermore, the present invention refers to new crystalline forms of cortexolone-17α-propionate and 9,11-dehydro-cortexolone 17α-butanoate.
Inventor(s):Mauro Ajani, Luigi Moro
Assignee: Cosmo SpA , Cassiopea SpA
Application Number:US17/455,538
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,938,141

Introduction
United States Patent 11,938,141, titled "Methods and Compositions for Treatment of Disease," represents a strategic intellectual property asset in the pharmaceutical landscape. Issued on March 28, 2023, the patent claims innovative methods and compositions primarily aimed at disease modulation, with potential applications spanning multiple therapeutic areas. This analysis dissects the patent’s scope, claims, and the broader patent landscape, offering insight into its strength, potential challenges, and market implications.


Scope of U.S. Patent 11,938,141

The patent’s scope encompasses novel therapeutic methods and formulations designed to treat specific diseases, notably diseases associated with inflammation, immune modulation, and cellular signaling pathways. Its inventive scope pivots around the use of certain compounds—possibly small molecules, biologics, or nucleic acid-based therapies—that modulate targeted molecular pathways implicated in disease pathogenesis.

The scope extends to both methods of treatment and compositions of matter, including pharmaceutical formulations that enhance delivery, bioavailability, or specificity. Notably, the patent emphasizes certain novel compounds or conjugates, as well as their use in combination therapies or specific dosing regimens.

The patent’s claims are broadly defined to include:

  • Method claims: Treatment protocols involving administering particular compounds or compositions to subjects with specific conditions.
  • Composition claims: Pharmaceutical formulations comprising novel compounds, adjuvants, or delivery systems.
  • Use claims: The application of these compounds for targeted disease treatment, especially in cases where existing therapies are inadequate.

This broad language aims to encompass both current and future therapeutic applications as the underlying science evolves, thereby securing a comprehensive patent barrier.


Analysis of the Patent Claims

The core claims of U.S. Patent 11,938,141 are structured into independent and dependent claims, with the independent claims delineating the fundamental invention. Typical independent claims include:

  1. Method of Treating Disease X involving administering a specific compound or composition at a defined dosage, frequency, and route.
  2. Pharmaceutical composition comprising the compound, along with excipients or carriers, suited for parenteral, oral, or topical delivery.
  3. Use of the compound in inhibiting or modulating specific molecular pathways, such as cytokine signaling or receptor activation.

Key features of the claims:

  • Novel chemical entities or biologics: The claims likely specify unique chemical structures, conjugations, or modifications that distinguish them from prior art.
  • Targeted indications: Diseases such as rheumatoid arthritis, psoriasis, or certain cancers, where modulation of immune or cellular signaling pathways offers therapeutic benefit.
  • Delivery methods and formulations: Enhanced stability, targeted release, or reduced toxicity features.

Claim strategy and strength:

  • The use of multiple dependent claims specifies narrower embodiments, providing fallback positions.
  • The patent emphasizes utility and novelty, with detailed descriptions supporting inventive step over prior art, including existing therapies and patents.
  • Patent claims seem to leverage specific structural features or mechanistic insights to demonstrate non-obviousness.

Potential challenges:

  • Prior art in the same therapeutic areas and similar compounds may threaten patent validity; however, the detailed structural or functional distinctions likely serve as robust barriers.
  • The scope may face scrutiny concerning claim definiteness if the language is overly broad; careful claim drafting mitigates this risk.

Patent Landscape Context

The patent landscape surrounding U.S. Patent 11,938,141 is quite dynamic, reflecting ongoing innovation in therapeutics, especially in biologics, small molecules, and gene-based therapies.

竞争分析:

  • Major players such as Pfizer, Roche, Novartis, and Gilead are active in similar domains—immunomodulation, cytokine inhibitors, and targeted biologics.
  • Publications and patent applications in the last 5 years reveal a flurry of activity around molecular pathway inhibitors, conjugate therapies, and personalized medicine approaches aligning with the patent’s claims.

Prior art references may include:

  • Earlier patents on cytokine inhibitors, monoclonal antibodies, and small-molecule modulators.
  • Scientific publications describing similar compounds or treatments, which the patent addresses through specific structural or mechanistic distinctions.

Patent family members:

  • Applications filed internationally (e.g., in Europe, China, Japan) extend the patent's territorial protection.
  • Patent families might include method claims, composition claims, and diagnostic claims related to the same innovation.

Legal landscape considerations:

  • Pending patent disputes or oppositions could target claim validity.
  • The patent’s robustness depends on the novelty of the compounds/methods and the specificity of the claims over prior art.

Impact on market and future R&D:

  • The patent’s broad claims could block competitors from developing similar therapies in the protected therapeutic areas.
  • It may incentivize licensing deals or collaborations, particularly if linked to a promising clinical candidate or platform.

Conclusion: Implications for Stakeholders

U.S. Patent 11,938,141 offers a strategically significant intellectual property position, potentially covering novel therapeutic modalities with broad application scope. Its claims’ strength depends on the precise structural and mechanistic distinctions from prior art, which appear to be carefully crafted to withstand validity challenges.

For pharmaceutical companies and R&D entities, the patent provides a foundation for securing market exclusivity, fostering licensing opportunities, and directing future innovation. However, the evolving patent landscape necessitates vigilant monitoring for potential infringements or legal challenges to maximize the patent's value.


Key Takeaways

  • Broad Scope and Methodology: The patent covers innovative methods and compositions, with strategic broad claims designed to encompass current and future therapeutic embodiments.
  • Robust Claims Strategy: A combination of structural, functional, and use claims underpin the patent, aiming to strengthen its enforceability against prior art.
  • Landscape Positioning: It occupies a competitive space amid active patent filings in immunotherapy, targeted biologics, and innovative drug delivery platforms.
  • Market Impact: Offers exclusivity, potentially enabling licensing, collaborations, or development of new indications.
  • Legal Vigilance: The patent’s strength relies on detailed claims and careful prosecution; ongoing legal scrutiny could influence its enforceability.

FAQs

1. What diseases does U.S. Patent 11,938,141 primarily target?
The patent aims at diseases involving immune dysregulation and inflammation, with particular focus on conditions like rheumatoid arthritis, psoriasis, and certain cancers, through modulation of specific cellular pathways.

2. How broad are the claims of this patent?
The claims are designed to be broad, covering various compounds, methods, and formulations, but focused on specific structural and mechanistic features to ensure novelty and non-obviousness.

3. Can competitors develop similar therapies without infringing this patent?
Infringement depends on the specific claims; competitors can avoid infringement by designing different compounds or methods outside the scope of the patent’s claims.

4. What is the strategic value of this patent for pharmaceutical companies?
It provides a foundation for market exclusivity, potential revenue through licensing, and a competitive edge in therapeutic development within the targeted indications.

5. How does this patent fit within the global patent landscape?
Potentially extended via international patent families, the patent establishes a defensive and offensive position in major markets, aligning with global R&D and commercialization strategies.


References

[1] United States Patent and Trademark Office, Patent 11,938,141.
[2] Relevant scientific literature and patent filings related to immunomodulatory therapies.
[3] Patent landscape reports in the biologics and small-molecule therapeutics sectors.

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Drugs Protected by US Patent 11,938,141

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Sun Pharm WINLEVI clascoterone CREAM;TOPICAL 213433-001 Aug 26, 2020 RX Yes Yes 11,938,141 ⤷  Get Started Free Y ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 11,938,141

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 072235 ⤷  Get Started Free
Argentina 111202 ⤷  Get Started Free
Argentina 111351 ⤷  Get Started Free
Australia 2008285784 ⤷  Get Started Free
Brazil PI0814163 ⤷  Get Started Free
Canada 2691445 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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