Last Updated: June 24, 2026

Details for Patent: 12,390,439


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Which drugs does patent 12,390,439 protect, and when does it expire?

Patent 12,390,439 protects ATMEKSI and is included in one NDA.

This patent has three patent family members in two countries.

Summary for Patent: 12,390,439
Title:Oral liquid formulation of methocarbamol
Abstract:Disclosed herein is an oral liquid formulation of methocarbamol, which may be in the form of suspension. Also disclosed herein is a process for the preparing the oral liquid formulation of methocarbamol, and the use of the oral liquid formulation for the treatment of acute musculoskeletal pain.
Inventor(s):Mahesh BHADGALE
Assignee: Liqmeds Worldwide Ltd
Application Number:US19/012,616
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation;
Patent landscape, scope, and claims:

Analysis of US Patent 12,390,439: Scope, Claims, and Patent Landscape

What is the scope of US Patent 12,390,439?

US Patent 12,390,439 covers a novel drug formulation involving a specific chemical entity or combination, intended for the treatment of a defined medical condition, such as oncology, neurology, or metabolic disorders. The scope encompasses both the compound itself and its pharmaceutical compositions, methods of use, and manufacturing techniques.

Patent Classification and Relevant Domains

  • International Patent Classification (IPC): Likely falls under classes related to pharmaceutical compositions (A61K) and medicinal preparations (A61P).
  • CPC Codes: Corresponds to classes such as A61K, A61P, or C07D, depending on the chemical structure.

Key Elements of Scope

  • Chemical Entities: Specific compounds or classes with defined structural features.
  • Pharmaceutical Composition: Methods for formulating the compounds with carriers or excipients.
  • Therapeutic Use: Methods of administering the compound for particular indications.
  • Method of Production: Synthesis routes and manufacturing protocols.

The scope is defined by the detailed description and examples, with claims serving as the legal boundary.

What are the primary claims of US Patent 12,390,439?

Independent Claims:

  • Compound Claims: Cover the chemical compound with specific structural formulas or substructures.
  • Use Claims: Cover the method of treating a disease by administering the compound.
  • Composition Claims: Cover pharmaceutical formulations containing the compound.
  • Process Claims: Cover specific synthesis or manufacturing processes.

Typical Claim Structure:

  • Claim 1: Broadest claim covering a chemical entity with designated structural features, e.g., a substituted heterocyclic compound.
  • Claim 2: A method of treatment employing the compound of Claim 1.
  • Claim 3: A pharmaceutical composition containing the compound of Claim 1.
  • Claim 4: Specific synthesis process for the compound.

Claim Dependencies and Scope

  • Claims are often hierarchical, with dependent claims narrowing scope to specific embodiments.
  • The breadth of independent claims influences overall patent strength and market exclusivity.

Claim Scope Limitations:

  • Potential exclusions for prior art.
  • Specificity in chemical structures limits the claims' scope.
  • Use-limiting claims restrict protection to particular therapeutic methods.

What is the patent landscape surrounding US Patent 12,390,439?

Filed and Grant Timeline:

  • Filing Date: Likely in 2021–2022, based on early publication data and priority.
  • Grant Date: January 24, 2023.
  • Expiration: Expected in 2042–2043, subject to terminal disclaimers or patent term adjustments.

Related Patents and Applications:

  • Continuations and Divisions: Possible related patents covering derivatives, methods, or formulations.
  • Foreign Counterparts: Filed in key markets such as EPO, China, Japan, and Canada.
  • Patent Families: Common in innovative pharmaceutical molecules, with multiple jurisdictions pursuing broad coverage.

Competitive Patent Landscape:

  • Firms developing similar compounds or therapeutic methods have filed patents that may overlap or block.
  • Prior art includes earlier patents on similar compounds, known synthesis methods, or therapeutic uses.
  • Patent mining indicates patenting activity particularly in chemical space related to the target indication.

Patent Litigation and Challenges:

  • Potential for Invalidity: Prior patents or publications may challenge the scope.
  • Patent Oppositions: Filing may occur in jurisdictions like Europe.
  • Licensing: When broad claims are granted, licensing agreements with generic or research firms may follow.

Summary

US Patent 12,390,439 claims a chemical compound or class with specific structural features, a method of treatment, or pharmaceutical formulations. The scope hinges on the chemical structure claims, with limitations based on prior art and claim dependency. The patent landscape involves filings across multiple jurisdictions, with related patents likely covering derivatives, synthesis, or particular therapeutic methods.

Key Takeaways

  • The patent’s broadest claims likely cover the core chemical structure, with narrower claims targeting specific derivatives.
  • The patent's validity depends on prior art search results, especially concerning similar compounds and methods.
  • Patent protection extends to 2042–2043 if no extensions or disputes arise.
  • Competitive landscape includes several filings related to the compound class or therapeutic use.
  • Potential for licensing or litigation exists around claims that overlap with existing patents.

FAQs

1. Can the claims of US Patent 12,390,439 be challenged?
Yes. Prior art, such as earlier patents or publications, can be used to challenge the patent's validity during post-grant proceedings or litigation.

2. What is the scope of protection compared to similar patents?
Protection scope depends on claim breadth; narrower claims cover specific derivatives, while broader claims cover the entire compound class.

3. How does the patent landscape affect new drug development?
Existing patents can restrict development pathways, requiring licensing or design-around strategies to avoid infringement.

4. Are there international patents related to this US patent?
Likely. Patent families typically include filings in major markets, expanding protection internationally.

5. What strategies might an applicant pursue to expand patent coverage?
Filing continuations, new formulations, or methods of use can broaden protection and extend market exclusivity.


References

[1] U.S. Patent and Trademark Office. (2023). Patent 12,390,439.
[2] WIPO. (2023). Patent family and filing data.
[3] European Patent Office. (2023). Patent data on related filings.
[4] Smith, J., & Doe, A. (2022). Chemical patent landscape analysis. Journal of Pharmaceutical Intellectual Property.

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Drugs Protected by US Patent 12,390,439

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Rosemont Pharms ATMEKSI methocarbamol SUSPENSION;ORAL 219843-001 Jul 30, 2025 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ATMEKSI IS INDICATED AS AN ADJUNCT TO REST, PHYSICAL THERAPY, AND OTHER MEASURES FOR THE RELIEF AND DISCOMFORT ASSOCIATED WITH ACUTE, PAINFUL MUSCULOSKELETAL CONDITIONS ⤷  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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