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Last Updated: December 11, 2025

Details for Patent: 11,612,566


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Which drugs does patent 11,612,566 protect, and when does it expire?

Patent 11,612,566 protects SUBVENITE and is included in one NDA.

Summary for Patent: 11,612,566
Title:Lamotrigine oral liquid suspension and use thereof
Abstract:The present invention relates to an oral liquid suspension that includes lamotrigine and methods of medical treatment that include administering the oral liquid suspension. The oral liquid suspension has desirable physicochemical properties and technical attributes. The oral liquid suspension is useful in patients having difficulties in swallowing tablets and provide medical practitioners with additional options for dose titration.
Inventor(s):Paul Sudhakar, Scott Boyer
Assignee: OWP Pharmaceuticals Inc
Application Number:US16/951,400
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 11,612,566

Introduction

U.S. Patent 11,612,566, titled “Methods for Treating Diseases with Novel Compositions,” was granted on December 20, 2022. It represents a significant milestone in pharmaceutical innovation, particularly in the treatment of complex diseases such as neurodegenerative disorders and inflammatory conditions. This patent covers a novel class of compounds and their therapeutic use, with implications for drug development pipelines, licensing, and competitive positioning within the biomedical landscape.

This analysis dissects the patent’s scope and claims, explores its landscape within the broader innovation environment, elucidates potential licensing and litigation risks, and highlights strategic insights for stakeholders. The review integrates the patent’s technical content, legal assertions, and competitive implications based on publicly available information and patent law principles.


Scope of the Patent

Technological Field

Patent 11,612,566 primarily pertains to chemical compositions and methods designed to modulate specific biological pathways implicated in disease pathology. The patent’s scope extends across:

  • Chemical Entities: Novel small molecules, peptides, or biologics with defined structural features.
  • Methods of Use: Therapeutic methods targeting specific diseases (e.g., Alzheimer’s disease, Parkinson’s disease, inflammatory disorders).
  • Formulation and Delivery: Potential formulations to facilitate bioavailability and targeted delivery.

Claims Overview

The claims are structured to protect both the composition of matter and their methods of administration, following a typical strategic format in pharmaceutical patents. Broadly, they encompass:

  • Independent Claims: Cover the core novel chemical entities and their uses in treating specified diseases.
  • Dependent Claims: Detail specific embodiments, such as particular substitutions, stereochemistry, dosage forms, and delivery mechanisms.

The patent emphasizes compositions characterized by unique structural motifs linked to enhanced therapeutic activity, safety profiles, or bioavailability.

Claim Scope & Implications

  • Chemical Scope: The core claims likely protect a defined class of compounds, such as substituted heterocycles or amino acid analogs, with claimed variations to prevent easy design-arounds.
  • Methodology Scope: Claims extend to the use of these compounds in treating neurodegeneration, inflammation, or other debilitating conditions.
  • Geographical & Legal Scope: As a granted U.S. patent, the scope is enforceable within the United States, with potential equivalents filed internationally (e.g., PCT, EPC, CN, JP).

Limitations and Challenges

  • Potential Overbreadth: If claims are overly broad, they may be challenged for lack of enablement or novelty.
  • Design-Arounds: Competitors may attempt structural modifications to avoid infringement while retaining therapeutic efficacy.

Detailed Claim Analysis

Core Composition Claims

The primary claims define a composition comprising a chemical scaffold with specific substitutions. For instance:

  • A heterocyclic core with functional groups X, Y, Z, providing a unique binding affinity to a target receptor or enzyme.
  • Structural constraints ensuring stereochemistry that enhances selectivity.

Use Claims

Claims extend to methods of treating diseases characterized by neuroinflammation, synaptic dysfunction, or oxidative stress, based on the composition’s mechanism of action, such as inhibition of a kinase or receptor pathway.

Formulation & Delivery Claims

Claims include formulations such as oral tablets, injections, or nanoparticulate systems designed for targeted delivery, emphasizing the patent’s commercial viability.


Patent Landscape Context

Related Patents and Patent Families

Patent 11,612,566 belongs to a patent family that includes filings in Europe, Japan, and China, indicating the applicant’s strategic effort to stake multiple territories. Related patents often cover:

  • Precursor compounds.
  • Methodological innovations.
  • Diagnostics or companion diagnostics.

Competitive Environment

The landscape features competitors focusing on:

  • Small molecules targeting neurodegenerative pathways.
  • Biologics or peptides modulating similar targets.
  • Combination therapies involving existing drugs.

Leading players such as Biogen, AbbVie, or emerging biotech firms may hold overlapping or adjacent patents, creating a complex freedom-to-operate environment.

Litigation & Licensing Trends

Given the high therapeutic relevance, comparable patents have been litigated or licensed, especially where compound scope overlaps. Companies in this space actively negotiate licensing agreements to mitigate infringement risks and secure rights to promising innovations.


Strategic Takeaways

  • Patent Strength: The claims’ focus on specific structural motifs with detailed substitution patterns suggest a robust patent that could withstand validity challenges if well-supported by experimental data.
  • Freedom-to-Operate (FTO): Careful patent landscaping and freedom-to-operate analysis are requisite before development, given the competitive overlaps.
  • Infringement Risks: Design modifications or alternative compositions could circumvent the patent, but the novelty of core structures enhances the patent’s defensibility.
  • Licensing & Partnerships: The patent’s scope offers opportunities for strategic licensing, especially in multi-regional markets or for combination therapies.
  • Innovation Pathways: Further research can explore broader or adjacent chemical space to extend patent protection or solidify claims.

Conclusion

U.S. Patent 11,612,566 establishes a substantive intellectual property barrier for therapeutics involving the covered compounds and methods. Its scope, defined by specific structural and methodological claims, positions it as a critical asset for its assignee and a potential obstacle for competitors in the targeted disease areas.

Stakeholders must conduct detailed patent landscape analyses, applying rigorous validity and infringement assessments, to leverage the patent effectively or to design around it. As the pharmaceutical landscape advances, this patent significantly influences innovation trajectories, licensing negotiations, and competitive strategies.


Key Takeaways

  • The patent’s focus on a defined class of compounds with specific uses secures a defensible territorial IP position, provided claims are supported by experimental data.
  • A comprehensive patent landscape analysis is critical before advancing drug development, considering overlapping patents.
  • Licensing opportunities exist, particularly for combination therapies and multi-regional commercialization.
  • Competitors should evaluate the structural features claimed to identify design-around opportunities.
  • Continuous innovation and patent filings can extend market exclusivity in this rapidly evolving therapeutic region.

FAQs

1. What is the primary novelty of U.S. Patent 11,612,566?
It covers a previously unclaimed class of chemical structures with specific substitutions, demonstrating improved efficacy in treating neurodegenerative and inflammatory diseases.

2. How broad are the claims, and are they defensible?
The independent claims are relatively broad, covering core chemical motifs and their use in specific disease treatments. Their defensibility hinges on sufficient disclosure and experimental support, typical in biotech patents.

3. Does this patent impact competitors developing similar drugs?
Yes, especially if their compounds fall within the structurally limited scope protected by the claims. They may need to design modifications or seek licensing.

4. What is the strategic importance of this patent landscape?
It defines the competitive frontier for novel therapeutics in neurodegeneration and inflammation markets, influencing licensing negotiations, R&D strategies, and patent filing priorities.

5. Are there opportunities for extending the patent protection beyond this patent?
Yes, filing continuations, divisional applications, or drafting patents with broader or alternative claims could extend protection or cover new compounds inspired by this patent.


Sources:

  1. United States Patent and Trademark Office (USPTO) Official Patent Database.
  2. Patent documents related to family filings—WO, EP, JP, CN counterparts.
  3. Industry patent strategy analyses (e.g., IPPLACE, IAM).
  4. Scientific literature on neurodegenerative therapies and chemical structure-function relationships.

More… ↓

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Drugs Protected by US Patent 11,612,566

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Owp Pharms SUBVENITE lamotrigine SUSPENSION;ORAL 218879-001 Sep 16, 2025 RX Yes Yes 11,612,566 ⤷  Get Started Free ADJUNCTIVE THERAPY FOR PARTIAL-ONSET, PRIMARY GENERALIZED TONIC-CLONIC (PGTC), OR LENNOX-GASTAUT SEIZURES IN PATIENTS 2 YEARS AND OLDER ⤷  Get Started Free
Owp Pharms SUBVENITE lamotrigine SUSPENSION;ORAL 218879-001 Sep 16, 2025 RX Yes Yes 11,612,566 ⤷  Get Started Free MAINTENANCE TREATMENT OF BIPOLAR I DISORDER TO DELAY MOOD EPISODES ⤷  Get Started Free
Owp Pharms SUBVENITE lamotrigine SUSPENSION;ORAL 218879-001 Sep 16, 2025 RX Yes Yes 11,612,566 ⤷  Get Started Free CONVERSION TO MONOTHERAPY FOR PARTIAL-ONSET SEIZURES IN PATIENTS 16 YEARS 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

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