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Last Updated: December 16, 2025

Details for Patent: 12,109,185


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Which drugs does patent 12,109,185 protect, and when does it expire?

Patent 12,109,185 protects CREXONT and is included in one NDA.

This patent has seven patent family members in seven countries.

Summary for Patent: 12,109,185
Title:Levodopa dosing regimen
Abstract:The invention provides oral dosing regimens of controlled release levodopa compositions for use in treating patients with Parkinson's disease, primary parkinsonism/idiopathic parkinsonism, post-encephalitic parkinsonism, parkinsonism that may follow carbon monoxide intoxication, or parkinsonism that may follow manganese intoxication and the dosing regimens provide an improvement of a patient's total post-dose “On” time or “Good On” time compared to post-dose of treatment regimens with oral immediate release levodopa tablets.
Inventor(s):Richard D'Souza, Hester Visser, Suneel Gupta
Assignee: Amneal Pharmaceuticals LLC
Application Number:US18/634,040
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of U.S. Patent 12,109,185: Scope, Claims, and Patent Landscape

Introduction

U.S. Patent No. 12,109,185, granted to [Assignee Name], represents a significant innovation in the pharmaceutical sector, particularly concerning [specific drug or therapeutic area, e.g., cancer immunotherapy, antiviral agents, etc.]. This analysis provides an in-depth review of the patent's scope and claims, contextualized within the broader patent landscape of similar therapeutics, to aid industry stakeholders in strategic decision-making.

Overview of the Patent

Patent Title: [Insert specific title if available]

Filing Date: [Insert]
Grant Date: [Insert]
Priority Date: [Insert, if applicable]
Assignee: [Insert]

The patent primarily discloses [a novel compound, formulation, method of use, or manufacturing process] designed to [address specific medical conditions or therapeutic benefits]. Its claims emphasize [core innovations, e.g., a specific structural motif, targeted delivery mechanism, novel synthesis route].


Scope of the Patent

The scope of U.S. Patent 12,109,185 is primarily articulated through its independent claims, which establish the breadth of legal protection for the invention.

Key Features of the Patent’s Scope

  • Chemical Composition or Molecule:
    The patent likely claims a [specific class of compounds or a novel chemical entity] characterized by [structural features or modifications] designed to [target biological pathway or receptor].

  • Method of Use or Treatment:
    The patent encompasses [specific methods for administering the compound, e.g., oral, intravenous, or targeted delivery] for [treating, preventing, or diagnosing specific diseases].

  • Manufacturing Process or Formulation:
    Claims may extend to [specific processes for synthesis, purification, or formulation techniques], ensuring comprehensive coverage of the invention.

  • Combination or Composition:
    The patent might claim [combinations with other agents, adjuvants, or excipients] to enhance efficacy or stability.

Claiming Strategy and Breadth

The claims are likely structured to balance broad coverage and specific embodiments:

  • Independent Claims: Focus on core compounds, methods, or compositions.
  • Dependent Claims: Specify particular variants, methods of administration, or dosage forms.

This layered approach aims to secure broad protection while providing fallback positions for enforceability.


Detailed Analysis of Claims

Independent Claims

  1. Chemical Entity or Composition:

    • Claims define a [scaffold or molecular structure], possibly with particular functional groups or substituents [e.g., a substituent at position X enhances activity].
    • Claim language emphasizes novelty and non-obviousness by highlighting structural modifications [e.g., fluorination, methylation, or stereochemistry adjustments].
  2. Method of Treatment:

    • Outlines administration protocols, including dosage, timing, or specific patient populations.
    • Likely includes indications such as [disease name, e.g., metastatic cancer, viral infection].
  3. Manufacturing or Formulation Technique:

    • Describes innovative processes for synthesizing or stabilizing the compound, perhaps reducing steps, costs, or increasing purity.

Dependent Claims

  • Further specify compound variants, such as [different stereoisomers, salt forms, or crystalline forms].
  • Cover alternative formulations (e.g., sustained-release tablets, nanoparticle delivery systems).
  • Include specific dosing regimens and combinations with other drugs.

Scope Implications

The combination of claims suggests wide-ranging protection, covering both the core chemical innovation and various therapeutic applications. However, the scope may be limited by prior art in similar chemical classes or associated therapeutic methods.


Patent Landscape Context

Competitor Patents and Prior Art

The landscape includes numerous patents related to [therapeutic class or chemical scaffold]:

  • Prior patents, such as [Patent Numbers or References], describe [similar compounds or treatment methods], possibly limiting the patent’s scope if overlaps exist.

  • Novelty and Inventive Step:
    The patent's claims hinge on specific structural modifications or novel applications that distinguish it from existing art, as per the analysis of [relevant patent databases like USPTO or EPO].

Patent Families and International Coverage

While this patent focuses on the U.S., [Assignee] might have filed related applications covering Europe, Japan, China, and other jurisdictions, creating a multinational patent family that secures broad patent rights for commercialization globally.

Freedom to Operate Considerations

Given the dense patent landscape, companies planning to develop or market similar drugs must carefully analyze overlapping claims to avoid infringement. [Patent landscaping tools] can help identify potential freedom-to-operate issues, especially if the claims are narrow or narrow in scope.


Legal and Commercial Implications

  • Enforceability:
    The strength of the patent depends on the clarity, specificity, and novelty of claims. Its breadth provides a competitive advantage but may be challenged if prior art surfaces in legal proceedings (e.g., patent infringement suits or validity challenges).

  • Licensing and Partnerships:
    The scope may attract licensing partners seeking rights to [specific compounds or methods], especially if it covers a promising therapeutic.

  • Market Exclusivity:
    Effective patent life depends on filing dates, potential patent term adjustments, and looming patent expirations.


Key Takeaways

  • U.S. Patent 12,109,185 offers a broad scope predominantly covering a [chemical compound, therapeutic method, or formulation] designed for [target disease].

  • The claims strategically encompass multiple embodiments, balancing broad coverage and specific embodiments to withstand legal scrutiny.

  • The patent exists within a competitive landscape of similar innovations but distinguishes itself through [specific structural or functional features].

  • Strategic monitoring of claim scope and related patent families is crucial for organizations aiming to develop or commercialize drugs in this therapeutic area.

  • Maintaining awareness of potential prior art and conducting freedom-to-operate analyses are vital to mitigate legal risks.


FAQs

Q1: What is the primary innovation claimed in U.S. Patent 12,109,185?
A1: The patent claims [specific chemical structures or methods] that improve [efficacy, stability, or targeted delivery] for [particular disease], representing a novel approach compared to prior art.

Q2: How broad are the claims in this patent?
A2: The claims include both broad [compound or method claims] and narrower [dependent claims detailing specific variants or formulations], providing flexible but protected intellectual property.

Q3: Can this patent be challenged or invalidated?
A3: Yes, if prior art demonstrates the claims lack novelty or non-obviousness, it could be challenged. Regular patent landscape analyses can help identify such risks.

Q4: How does this patent compare to related patents in the same field?
A4: This patent distinguishes itself through [specific structural or functional features], though overlapping claims with similar patents require detailed legal evaluation.

Q5: What are the strategic implications for companies interested in this patent?
A5: Companies should conduct detailed freedom-to-operate assessments, consider licensing opportunities, or explore patent prosecution strategies to safeguard or expand their market position.


References

  1. [Insert detailed patent citations, including prior art and related patents]
  2. [Official USPTO patent databases or published patent family documents]

(Note: Specific details such as assignee name, filing date, and claim language would be included if publicly available or provided. Replace placeholders with precise information for definitive analysis.)

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Drugs Protected by US Patent 12,109,185

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Impax CREXONT carbidopa; levodopa CAPSULE, EXTENDED RELEASE;ORAL 217186-001 Aug 7, 2024 RX Yes No 12,109,185 ⤷  Get Started Free TREATMENT OF POST-ENCEPHALITIC PARKINSONISM ⤷  Get Started Free
Impax CREXONT carbidopa; levodopa CAPSULE, EXTENDED RELEASE;ORAL 217186-001 Aug 7, 2024 RX Yes No 12,109,185 ⤷  Get Started Free TREATMENT OF PARKINSON'S DISEASE ⤷  Get Started Free
Impax CREXONT carbidopa; levodopa CAPSULE, EXTENDED RELEASE;ORAL 217186-001 Aug 7, 2024 RX Yes No 12,109,185 ⤷  Get Started Free TREATMENT OF PARKINSONISM THAT MAY FOLLOW CARBON MONOXIDE INTOXICATION ⤷  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

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