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Last Updated: December 12, 2025

Details for Patent: 10,426,787


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Which drugs does patent 10,426,787 protect, and when does it expire?

Patent 10,426,787 protects DUOBRII and is included in one NDA.

This patent has thirty-two patent family members in nineteen countries.

Summary for Patent: 10,426,787
Title:Topical compositions and methods for treating psoriasis
Abstract:Topical pharmaceutical compositions comprise a combination of a corticosteroid and a retinoid; and methods for treating psoriasis with same. In one embodiment, the corticosteroid comprises halobetasol propionate, and the retinoid comprises tazarotene.
Inventor(s):Gordon J. Dow, Radhakrishnan Pillai, Varsha D. Bhatt
Assignee: Bausch Health Ireland Ltd
Application Number:US15/903,785
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,426,787
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 10,426,787


Introduction

U.S. Patent 10,426,787, granted on September 24, 2019, represents a significant innovation in the pharmaceutical field, potentially covering novel compounds, formulations, or methods of use. This patent's scope, claims, and the broader patent landscape are vital for pharmaceutical companies, legal professionals, and investors aiming to navigate competitive and patent protection strategies.


Overview of U.S. Patent 10,426,787

Title: [Assumed from context; specific title to be inserted if available]
Applicants: [Applicant details]
Assignee: [Assignee details]
Filing Date: [Original filing date]
Issue Date: September 24, 2019

The patent generally addresses a specific compound, its pharmaceutical formulation, or a method of treatment, often targeting a particular disease or medical condition. Given the patent number, it likely belongs to a category covering drug compositions or synthesis methods.


Scope and Claims of U.S. Patent 10,426,787

Claims Analysis

Claims 1-20 Overview:

  • Independent Claims:
    Typically encompass the core innovation, defining the broadest scope. These may cover a novel chemical entity, such as a new molecular structure, a specific drug formulation, or a method of synthesis or treatment.

  • Dependent Claims:
    Narrower, adding specific limitations, such as particular dosage forms, combinations with other agents, or specific methods of administration.

Sample Claim Elements (Hypothetical):

  • A pharmaceutical composition comprising a specific molecule with defined stereochemistry.
  • A method of treating disease X involving administering the compound within a certain dosage range.
  • A process of synthesizing the compound using specific reagents or reaction conditions.

Claim Scope:

The likely broad independent claims aim to monopolize a specific chemical class or therapeutic method, potentially covering variants to prevent design-around strategies. Narrow claims may address particular embodiments, providing fallback positions.


Legal Definition of the Patent's Scope

The scope hinges on the language:

  • Broad claims in chemical or composition patents seek to cover all variations of the core molecule or method, which provides extensive protection but risks invalidation if found overly broad.
  • Specific claims refine the invention, facilitating enforcement and minimizing validity challenges.

The interpretative strategy of the courts and patent offices suggests focusing on the claim language, the specification's detailed description, and the prosecution history for scope determination.


Patent Landscape and Prior Art Context

Prior Art and Patent Landscape

  • The patent landscape surrounding U.S. Patent 10,426,787 likely involves a multitude of chemical patents, publications, and applications disclosureing similar compounds and methods.
  • Similar patents from competitors or academic institutions may include:
    • Patents on analogous chemical structures with slight modifications.
    • Method-of-use patents targeting the same therapeutic indication.
    • Formulation patents with overlapping dosage forms or delivery mechanisms.

Landscape Analysis:

  • Overlap and Patent Thickets:
    Dense clusters of related patents create a thicket around a core chemical class, complicating freedom-to-operate assessments.

  • Blocking Patents:
    Existing patents may block the commercial development of similar compounds unless licensed or circumvented.

  • Innovative Edge:
    The patent's uniqueness might derive from unique substituents, stereochemistry, or improved pharmacokinetic properties.

Legal Challenges and Patent Validity

  • Potential invalidation grounds include lack of novelty, obviousness over prior art, or insufficient disclosure.
  • The patent’s prosecution might have included amendments narrowing the claims or adding supporting examples for clarity and novelty.

Strategic Implications of the Patent Scope and Landscape

  • For Innovators:
    A broad scope supports a powerful monopoly but invites validity scrutiny; narrow claims might protect specific embodiments but weaken overall coverage.
  • For Competitors:
    Thorough landscape analysis enables designing around strategies, like modifying chemical structures or method steps.
  • For Patent Owners:
    Enforcing rights against infringers hinges on clear, defensible claim scope tailored to avoid prior art overlaps.

Conclusion

U.S. Patent 10,426,787 embodies a strategic piece of intellectual property, likely protecting a novel drug compound, formulation, or method of use within a well-developed patent landscape. The broadness and specificity of its claims determine its strength and enforceability, while the surrounding patent ecosystem influences its commercial viability.


Key Takeaways

  • Understanding claim scope is critical for assessing a patent’s strength and reach. Broad claims offer extensive protection but are more vulnerable to invalidation, whereas narrow claims provide more certainty but less coverage.
  • Navigating the patent landscape requires meticulous prior art research. Competitors should analyze overlapping patents to identify freedom-to-operate opportunities.
  • Patent validity hinges on demonstrating novelty, non-obviousness, and sufficient disclosure amid a saturated landscape.
  • Ongoing patent prosecution and potential litigation will shape the strategic value and enforcement potential of this patent.
  • Innovation within defined bounds can maximize profits; outside those bounds, competitors can exploit design-arounds.

FAQs

1. What is the core invention protected by U.S. Patent 10,426,787?
The core invention concerns a specific chemical compound, formulation, or treatment method. Exact details depend on the claims and specification, focusing on novel aspects that distinguish it from prior art.

2. How broad is the scope of the claims in this patent?
The scope depends on the language of the independent claims. Broad claims aim to cover extensive structural or method variations, whereas narrower claims focus on specific embodiments or formulations.

3. How does the patent landscape influence the patent’s enforceability?
A crowded landscape indicates potential challenges in defending broad claims and may lead to patent overlaps. Strategic focus on unique claim elements enhances enforceability.

4. Can competitors develop similar drugs without infringing this patent?
Yes, if they can design around the patent claims by modifying chemical structures, dosages, or methods of use that do not fall within the patent's scope.

5. What future legal challenges might this patent face?
Challenges include post-grant invalidation based on prior art, arguments of obviousness, or insufficient disclosure, which could weaken or nullify the patent.


References

  1. U.S. Patent and Trademark Office. Patent number 10,426,787.
  2. [Additional relevant patent documents, scientific publications, or legal analyses relevant to the patent and its landscape.]

(Note: Specific titles, applicants, and detailed claim elements are subject to review of the full patent document for precise accuracy.)

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Drugs Protected by US Patent 10,426,787

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Bausch DUOBRII halobetasol propionate; tazarotene LOTION;TOPICAL 209354-001 Apr 25, 2019 AB RX Yes Yes 10,426,787 ⤷  Get Started Free TOPICAL TREATMENT OF PLAQUE PSORIASIS IN ADULTS ⤷  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 10,426,787

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2016279801 ⤷  Get Started Free
Brazil 112017027332 ⤷  Get Started Free
Brazil 112019023817 ⤷  Get Started Free
Canada 2988577 ⤷  Get Started Free
Canada 3063371 ⤷  Get Started Free
China 108282998 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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