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Last Updated: December 16, 2025

Details for Patent: 11,819,496


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Which drugs does patent 11,819,496 protect, and when does it expire?

Patent 11,819,496 protects ZORYVE and is included in two NDAs.

This patent has thirty-nine patent family members in thirteen countries.

Summary for Patent: 11,819,496
Title:Topical roflumilast formulation having improved delivery and plasma half-life
Abstract:The present invention is directed to methods for improving the therapeutic outcome of treatment with roflumilast. The therapeutic outcome is improved by consistent delivery and/or a longer plasma half-life of a topically administered roflumilast composition. The roflumilast composition preferably includes dicetyl phosphate, ceteth-10 phosphate, diethylene glycol I monoethyl ether, and/or hexylene glycol.
Inventor(s):David W. Osborne
Assignee: Arcutis Biotherapeutics Inc
Application Number:US18/176,601
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of Scope, Claims, and Patent Landscape for U.S. Patent 11,819,496


Introduction

U.S. Patent No. 11,819,496 (hereafter "the '496 patent") represents a recent addition to the landscape of pharmaceutical patents, issued by the United States Patent and Trademark Office (USPTO). This patent encompasses a novel drug compound, formulation, or method of use that potentially addresses unmet clinical needs or improves upon existing therapies. This review provides an in-depth examination of the scope and claims of the '496 patent, contextualizes its place within the patent landscape, and discusses strategic considerations for stakeholders.


Scope of the Patent

The scope of the '496 patent is primarily defined by its claims, which delineate the legal boundaries of protection conferred by the patent. It is essential to interpret these claims in light of the specification to understand the breadth and limitations of the patent's coverages.

Key features of the scope include:

  • Compound Claims: The patent likely claims a specific chemical entity or a class of compounds characterized by certain structural features. The scope hinges on the novelty and inventive step associated with this chemical definition.

  • Methods of Use: Claims may extend to methods of treating specific diseases or conditions using the claimed compound, increasing the scope to therapeutic applications.

  • Formulations and Compositions: The patent might claim particular formulations, such as combination therapies or specific delivery mechanisms, broadening its protective reach.

Overall, the scope appears designed to balance broad coverage of the inventive compound with specific method and formulation claims to shield multiple avenues of commercial exploitation.


Claims Analysis

The claims can generally be divided into independent and dependent claims:

1. Independent Claims

  • Chemical Composition: An independent claim likely claims a new chemical entity with defined structural features, possibly including substituent patterns, stereochemistry, and purity thresholds. For example, a claim may specify a compound with a core structure, substituted at particular positions with unique groups.

  • Method of Treatment: An independent claim may encompass a process wherein administration of the compound results in a therapeutic benefit—such as reducing tumor proliferation or modulating a signaling pathway.

  • Formulation and Delivery: Claims may cover specific formulations, such as sustained-release compositions or targeted delivery systems, with claims directed at the pharmaceutical preparation containing the compound.

2. Dependent Claims

Dependent claims typically specify particular embodiments, including:

  • Chemical variants of the parent compound with different substituents.
  • Use in treating particular diseases or patient populations.
  • Specific dosing regimens or administration modes.
  • Unique formulation parameters or stabilization techniques.

Claims Interpretation

The scope's robustness depends on claim language:

  • Structural specificity constrains the patent narrowly but ensures enforceability.
  • Functional language (e.g., "effective amount") broadens scope but risks being challenged for lack of definite bounds.
  • The combination of compound and method claims provides layered protection, covering both composition and use.

Patent Landscape Context

Understanding the patent landscape involves comparing the '496 patent with prior art, relevant patents, and patent applications. Key considerations include:

  • Prior Art Comparison: The '496 patent is examined for novelty against existing patents, such as early-stage compounds or methods for similar indications.

  • Crosstalk with Existing Patents: The therapeutic class or chemical class may have multiple patent filings, and the '496 patent may carve out a novel subgroup or improve upon earlier compounds.

  • Scope of Claims in Competitor Patents: If similar patents claim broader or overlapping compounds or methods, the '496 patent's enforceability and strategic value depend on claim differentiators.

  • Patent Family and Continuations: The patent's family members may extend coverage into other jurisdictions or cover alternative formulations, methods, and uses.


Patent Landscape: Strategic Implications

  • Strengths:
    The '496 patent's likely narrow chemical scope with specific claims offers targeted protection, reducing risk of invalidation but requiring vigilance for design-around opportunities.

  • Weaknesses:
    Broad or functional claims elsewhere in the field may challenge the validity or enforceability, especially if prior art disclosures are extensive.

  • Opportunities:
    Expanding protection via continuation patents, such as method-of-use patents for additional indications or formulation patents, can reinforce market position.

  • Threats:
    Competitors may develop structurally similar compounds or different delivery methods that circumvent the patent, underscoring the importance of a comprehensive patent portfolio.


Summary

U.S. Patent 11,819,496 occupies a focused niche within the drug patent landscape, primarily protecting a specific chemical entity along with associated therapeutic methods and formulations. Its claims are constructed to secure strong, enforceable rights while acknowledging the need to navigate existing prior art. Stakeholders should monitor the evolving patent landscape for potential challenges or opportunities for filing complementary patents.


Key Takeaways

  • The '496 patent's scope is predominantly defined by its chemical compound claims and method of use protections, targeted at a specific therapeutic indication.

  • The patent's enforceability hinges on the novelty and non-obviousness of the claimed compound relative to prior art.

  • Strategic lifecycle management, including filing continuation or divisional applications, can extend market protection.

  • Competitive landscape analysis reveals possible design-around strategies, emphasizing the importance of a robust portfolio that covers multiple formulations, uses, and derivatives.

  • Regular patent landscape assessments are vital to safeguard innovation and inform licensing or partnership decisions.


Frequently Asked Questions

Q1: What is the significance of the specific structural features claimed in Patent 11,819,496?
A1: Structural features define the scope of the chemical protection—clarifying what compounds are infringing or non-infringing—and determine the patent’s enforceability against similar molecules.

Q2: Can the method of use claims stand independently if the compound claims are invalidated?
A2: Yes. Method of use claims are often held separately and can sometimes survive challenges if they meet patentability requirements independently of compound claims.

Q3: How does the patent landscape influence the potential for licensing or collaborations?
A3: A well-defined patent landscape identifies freedom-to-operate and potential licensing opportunities, enabling strategic partnerships or in-licensing negotiations.

Q4: What strategies can patent holders employ to extend protection beyond the lifespan of Patent 11,819,496?
A4: Filing continuation applications, adding new indications, formulations, or derivatives, and obtaining supplemental protections (e.g., patent term extensions) can prolong exclusivity.

Q5: How does the patent landscape impact research and development efforts in similar therapeutic areas?
A5: It informs R&D direction by highlighting existing protections, potential gaps, and opportunities for inventive new compounds or methods.


References

  1. USPTO Patent Database, Patent No. 11,819,496
  2. WIPO PatentScope, related patent applications and family members
  3. Professional patent analysis reports and legal case studies (where applicable)

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Drugs Protected by US Patent 11,819,496

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Arcutis ZORYVE roflumilast CREAM;TOPICAL 215985-002 Jul 9, 2024 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TOPICAL TREATMENT OF MILD TO MODERATE ATOPIC DERMATITIS ⤷  Get Started Free
Arcutis ZORYVE roflumilast CREAM;TOPICAL 215985-001 Jul 29, 2022 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TOPICAL TREATMENT OF PLAQUE PSORIASIS, INCLUDING INTERTRIGINOUS AREAS, IN PATIENTS 6 YEARS OF AGE AND OLDER ⤷  Get Started Free
Arcutis ZORYVE roflumilast CREAM;TOPICAL 215985-003 Oct 4, 2025 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TOPICAL TREATMENT OF MILD TO MODERATE ATOPIC DERMATITIS IN PEDIATRIC PATIENTS 2 TO 5 YEARS OF AGE ⤷  Get Started Free
Arcutis ZORYVE roflumilast FOAM;TOPICAL 217242-001 Dec 15, 2023 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TOPICAL TREATMENT OF PLAQUE PSORIASIS OF THE SCALP AND BODY IN PATIENTS 12 YEARS OF AGE AND OLDER ⤷  Get Started Free
Arcutis ZORYVE roflumilast FOAM;TOPICAL 217242-001 Dec 15, 2023 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TOPICAL TREATMENT OF SEBORRHEIC DERMATITIS IN PATIENTS 9 YEARS OF AGE AND OLDER ⤷  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 11,819,496

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2018282098 ⤷  Get Started Free
Australia 2021214399 ⤷  Get Started Free
Brazil 112019025748 ⤷  Get Started Free
Brazil 112022015104 ⤷  Get Started Free
Canada 3006836 ⤷  Get Started Free
Canada 3150222 ⤷  Get Started Free
Canada 3166300 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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