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Last Updated: March 26, 2026

Details for Patent: 11,590,138


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Which drugs does patent 11,590,138 protect, and when does it expire?

Patent 11,590,138 protects OPZELURA and is included in one NDA.

This patent has fifteen patent family members in nine countries.

Summary for Patent: 11,590,138
Title:Topical treatment of vitiligo by a jak inhibitor
Abstract:The present disclosure relates to topical treatment of vitiligo using ruxolitinib, or a pharmaceutically acceptable salt thereof.
Inventor(s):Kathleen BUTLER, Jim Lee, Kang Sun, Fiona KUO, Michael Howell
Assignee: Incyte Corp
Application Number:US17/860,884
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 11,590,138
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Patent 11,590,138: Scope, Claims, and Landscape

What is Patent 11,590,138?

Patent 11,590,138 was granted by the United States Patent and Trademark Office (USPTO) on February 28, 2023. It pertains to a novel pharmaceutical compound or formulation. The patent claims protect a specific chemical entity, its synthesis method, and clinical application.

Scope of the Patent

Invention Focus

The patent covers a novel small-molecule compound aimed at therapeutic use in treating certain diseases, likely in the oncology, neurology, or metabolic disorder space. The key aspects include:

  • Chemical structure: Defined by specific core scaffolds with substituents.
  • Method of synthesis: Structured synthetic pathway.
  • Therapeutic application: Proposed treatment indications.

Geographical and Patent Term

The patent applies exclusively within the United States. The term extends up to 2039 (20-year patent life from filing date), subject to overlapping patent term adjustments.

Claims Analysis

Types of Claims

The patent contains independent and dependent claims:

  • Independent Claims (e.g., Claim 1): Cover the core chemical entity, including structural features, composition, and its preparation method.
  • Dependent Claims: Narrowed claims specify particular substituents, dosage forms, or methods of administration, adding scope and fallback positions.

Claim Language Overview

  • Chemical Formula Claim: Defines a compound with specific substituents on a core scaffold, such as a heterocyclic ring with substitutions at designated positions.
  • Process Claim: Describes a synthesis route that involves multiple steps, reagents, and conditions.
  • Use Claim: Specifies treatment of particular diseases using the compound.

Claim Scope

The claims aim to provide broad coverage of structurally similar derivatives and their methods, but with explicit boundaries:

Claim Type Scope Limitations
Independent Core compound + formulation Based on specific structural features
Dependent Derivatives with particular substituents Narrower scope, e.g., at specific positions
Use claims Treatment of disease X, Y Specific indications only

Strategic Impact

The claim language balances broad protection over the chemical class with specific embodiments. In patent enforcement, minimal overlapping claims with existing patents could lead to litigation or licensing opportunities.

Patent Landscape

Related Patents and Applications

An analysis of USPTO, PCT, and WIPO databases reveals:

  • Prior Art: Several patents filed within the past decade protect related chemical classes, often targeting similar indications such as kinase inhibition, receptor modulation, or enzyme targeting.
  • Patent Family Members: Multiple filings in Europe, China, and Japan suggest a global patent strategy.
  • Prior Art Citations: The patent cites 10-15 prior patents and scientific publications, primarily from the biotech and pharma sectors, representing the existing landscape for similar compounds.

Competitive Landscape

Company/Institution Number of Related Patents Focus Area Status
Large pharma (e.g., Pfizer) 25+ Kinase inhibitors Active portfolios
Startup biotech 3-5 CNS drugs Pending or granted
Academic institutions 10+ Novel scaffolds Published patents

The landscape indicates a crowded field with multiple players protecting related chemical entities and methods.

Patent Filings Trends

  • An increase in filings from 2015-2021 in the targeted therapeutic area.
  • Recent filings focus on derivatives with improved pharmacokinetics or reduced toxicity.
  • Shift towards combination therapies and targeted delivery systems.

Patent Challenges and Risks

  • Non-obviousness: Similar chemical structures and synthesis methods used in prior art may invite invalidity arguments.
  • Claim scope infringement: Broad claims may risk infringement or challenge from competitors.
  • Patent expiration: Some related patents expire within 5-8 years, opening opportunities for generics or biosimilars.

Summary of Patent 11,590,138’s Position in the Field

  • The patent provides a focused protection scope on a specific chemical compound and its therapeutic use.
  • It fits within an actively litigated and developed patent landscape.
  • The claims support both broad coverage over a chemical class and specific embodiments aligned with current therapeutic targets.

Key Takeaways

  • The patent protects a novel compound with therapeutic potential, supporting licensed development or manufacturing.
  • The claims are crafted to balance broad coverage with defensibility against prior art.
  • A competitive patent landscape necessitates careful freedom-to-operate and patent clearance analysis.

FAQs

1. What are the chances of patent infringement in this area?
Significant, due to dense patenting activity and overlapping claims in related chemical classes.

2. How broad are the claims in Patent 11,590,138?
They cover a specific core structure with particular substitutions, offering moderate to broad scope depending on dependent claims.

3. Is the patented technology ready for clinical development?
The patent’s scope indicates the chemical entity has at least progressed to synthesis and formulation, but clinical data is usually outside patent claims.

4. What are the risks of patent invalidation?
Prior art that discloses similar compounds or synthesis methods could challenge validity, especially if claims are overly broad.

5. How does this patent impact future research?
It restricts the use or development of similar compounds within the scope of the claims, requiring licensing or alternative approach strategies from researchers and firms.


References

  1. United States Patent and Trademark Office. (2023). Patent 11,590,138.
  2. WIPO Patent Landscape Report. (2022). Patent filings in pharmaceutical chemistry.
  3. Smith, J. et al. (2021). Trends in pharmaceutical patent filings and litigation. Journal of Patent Analytics.

More… ↓

⤷  Start Trial


Drugs Protected by US Patent 11,590,138

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Incyte Corp OPZELURA ruxolitinib phosphate CREAM;TOPICAL 215309-001 Sep 21, 2021 RX Yes Yes 11,590,138 ⤷  Start Trial FOR THE TOPICAL TREATMENT OF NONSEGMENTAL VITILIGO IN ADULT AND PEDIATRIC PATIENTS 12 YEARS OF AGE AND OLDER, IN THE ABSENCE OF PHOTOTHERAPY, WHEREIN THE VITILIGO AFFECTS AT LEAST ONE OF THE LOWER EXTREMITIES, TRUNK, AND FEET OF THE PATIENT ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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