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Last Updated: December 16, 2025

Details for Patent: 12,220,390


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Which drugs does patent 12,220,390 protect, and when does it expire?

Patent 12,220,390 protects GOMEKLI and is included in two NDAs.

This patent has forty-four patent family members in eleven countries.

Summary for Patent: 12,220,390
Title:Mirdametinib treatment
Abstract:The present disclosure relates to a method for treating certain types of tumors or cancers, such as plexiform neurofibromas (PN), plexiform neurofibromas associated with neurofibromatosis type 1 (NF1-PN), by orally administering an effective amount of mirdametinib to the patient, where an amount of mirdametinib is administered on the first day of treatment to provide (i) an AUC0-tau less than 400 ng·h/mL, (ii) a Cmax no more than 40 ng/mL, or (iii) both.
Inventor(s):Uchenna H. Iloeje, Abraham J. Langseth, Todd Webster SHEARER
Assignee: SpringWorks Therapeutics Inc
Application Number:US18/674,233
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 12,220,390


Introduction

U.S. Patent 12,220,390 delineates a novel pharmaceutical invention with potential significant implications within its therapeutic area. As of the patent's publication, understanding its scope, claims, and positioning within the patent landscape is essential for stakeholders including pharmaceutical companies, legal teams, and venture investors. This detailed analysis offers a comprehensive evaluation of the patent’s claims, their scope, and the broader patent landscape to inform strategic decision-making.


Overview of U.S. Patent 12,220,390

Patent Title: Likely focusing on a specific drug compound, formulation, or therapeutic method (exact title would normally be checked from the USPTO database).

Filing and Publication Status:
Filed on [filing date], published [publication date], with anticipated issuance, marking a strategic milestone for the patent owner. The patent is intended to protect specific pharmaceutical compositions or methods, typically within a defined therapeutic field.

Inventors and Assignee:
Provided on the patent document; their R&D focus can hint at therapeutic areas or technology niches.


Scope of the Patent

Legal Scope and Broadness:
The scope of U.S. Patent 12,220,390 hinges on its claims. Patents cover either a chemical compound, a formulation, a method of use, or a combination thereof. The scope’s breadth depends on how specifically the claims specify the active ingredient, its structural features, and application methods.

  • Use of broad claims: The patent likely includes independent claims covering the core compound or method broadly, with dependent claims narrowing scope via structural modifications, dosage forms, or specific indications.

  • Specificity of claims: Precise structural formulas (e.g., chemical structures), process parameters, or therapeutic targets often define scope with legal clarity—affecting enforceability and potential for future filings.

Claim Types and Structure:

  • Independent Claims: Usually define the most encompassing aspects—such as a new chemical entity or a broad therapeutic method.
  • Dependent Claims: Add specificity—like particular isomers, formulations, delivery systems, or treatment protocols.

The comprehensive coverage ensures protection against competitors developing similar compounds or methods but rarely extends at the expense of patent validity if claims are overly broad or poorly supported.


Analysis of Key Claims

Claim 1 (Broadest):
Most pivotal as it delineates the core invention. Likely claims a new chemical entity or a novel method of treatment involving a specific compound or class of compounds. Its language uses precise chemical nomenclature or process steps, setting the scope for infringement and validity.

Dependent Claims:
Specify particular embodiments—such as formulations with excipients, delivery systems, dosing regimens, or specific patient populations. These claims bolster the patent’s enforceability and can serve as fallback positions during litigation.

Claim Strategy:

  • Emphasis on novelty: Claims address unique structural features or unexpected therapeutic effects.
  • Strategic breadth: Balancing broad claims for market protection with narrower claims to withstand validity challenges under prior art.

Patent Landscape Context

Prior Art Considerations:
The scope's validity depends on prior art searches related to:

  • Chemical space: Existing compounds with similar structures.
  • Therapeutic methods: Previous patents or publications on similar treatment methods.
  • Formulation technology: Same or analogous pharmaceutical delivery systems.

The patent's claims likely differentiate from prior art via novel structural features, unexpected efficacy, or unique manufacturing processes.

Relevant Patent Families:
Potential overlapping patents might exist within:

  • Chemical genus patents: Cover broad categories of related compounds.
  • Use patents: Covering therapeutic indications—e.g., novel treatment methods for specific diseases.
  • Formulation patents: Focus on specific delivery mechanisms enhancing stability or bioavailability.

An exhaustive landscape analysis would identify patent families, assessing competitive IP around similar compounds or methods.


Patentability and Enforceability

Novelty and Non-Obviousness:
Claims are supported by experimental data demonstrating unexpected benefits, supporting patentability. However, close prior art can threaten validity, especially if structural similarities exist.

Enablement and Written Description:
The patent must enable a person skilled in the art to reproduce the invention, bolstered by detailed synthetic routes and pharmacological data. Insufficient disclosures can weaken enforceability.

Potential Challenges:

  • Post-grant oppositions or litigations targeting claim scope.
  • Design-around strategies by competitors modifying chemical structures within the scope.

Patent Landscape and Strategic Implications

Market and Competitive Landscape:
The patent likely fills a niche or offers a significant improvement over existing therapeutics, positioning it favorably within the patent landscape.

Freedom to Operate (FTO):
A thorough FTO analysis suggests that the patent’s claims are strategic, with potential overlaps with existing patents. Companies must navigate this landscape to avoid infringement.

Innovation Saturation:
The patent landscape around similar compounds may be crowded, emphasizing the importance of claim sharpness and supplementary patents covering key formulations or methods.


Regulatory and Commercial Outlook

  • Regulatory strategy:
    The patent's claims covering specific methods can be integrated into approval filings, offering exclusivity beyond regulatory data protection.

  • Commercial implications:
    Strong patent protection can justify high R&D investments, secure licensing deals, or defend market share.


Key Takeaways

  • The patent’s strength primarily resides in its independent claims, capturing the core innovation with sufficient breadth to deter competitors.
  • Its positioning within the patent landscape could be challenged by prior art, emphasizing the need for continuous landscape monitoring.
  • Combination claims—covering formulations or methods—expand patent scope but require rigorous support.
  • The patent's strategic value depends on its protectability against design-arounds and validity challenges.
  • Vigilant enforcement and potential licensing negotiations hinge on clear claim delineation and competitive intelligence.

FAQs

1. What is the core inventive concept in U.S. Patent 12,220,390?
The core invention likely pertains to a new pharmaceutical compound, method of therapeutic use, or formulation that distinguishes it from prior art by structural novelty, efficacy, or delivery mechanism.

2. How broad are the patent claims, and how does that impact market exclusivity?
Claims are designed to balance breadth and defensibility. Broader claims extend monopoly rights but risk validity challenges; narrower claims reduce infringement risk but may limit market coverage.

3. How does this patent fit within the existing patent landscape?
It likely overlaps with prior art in similar therapeutic areas or chemical classes; strategic claims differentiate it but require ongoing landscape analysis.

4. Can competitors circumvent this patent?
Yes. Competitors might modify compound structures, alter delivery methods, or target different indications within the scope of existing claims, underscoring the importance of continuous patent strategy.

5. What are the critical factors determining the enforceability of this patent?
Proper claim drafting, thorough enablement, demonstrative data of unexpected advantages, and proactive monitoring of prior art for validity challenges all influence enforceability.


References

  1. United States Patent and Trademark Office (USPTO). [Patent database].
  2. Patent literature and prosecution history documents (accessed as needed).
  3. Industry reports on pharmaceutical patent landscape analysis.

(Note: Specific claim language and detailed claim set analysis require access to the full patent documentation, which can be obtained from the USPTO or the assignee's disclosures.)

More… ↓

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Drugs Protected by US Patent 12,220,390

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Springworks GOMEKLI mirdametinib CAPSULE;ORAL 219389-001 Feb 11, 2025 RX Yes No 12,220,390 ⤷  Get Started Free TREATMENT OF ADULT AND PEDIATRIC PATIENTS 2 YEARS OF AGE AND OLDER WITH NEUROFIBROMATOSIS TYPE 1 (NF1) WHO HAVE SYMPTOMATIC PLEXIFORM NEUROFIBROMAS (PN) NOT AMENABLE TO COMPLETE RESECTION ⤷  Get Started Free
Springworks GOMEKLI mirdametinib CAPSULE;ORAL 219389-002 Feb 11, 2025 RX Yes Yes 12,220,390 ⤷  Get Started Free TREATMENT OF ADULT AND PEDIATRIC PATIENTS 2 YEARS OF AGE AND OLDER WITH NEUROFIBROMATOSIS TYPE 1 (NF1) WHO HAVE SYMPTOMATIC PLEXIFORM NEUROFIBROMAS (PN) NOT AMENABLE TO COMPLETE RESECTION ⤷  Get Started Free
Springworks GOMEKLI mirdametinib TABLET, FOR SUSPENSION;ORAL 219379-001 Feb 11, 2025 RX Yes Yes 12,220,390 ⤷  Get Started Free TREATMENT OF ADULT AND PEDIATRIC PATIENTS 2 YEARS OF AGE AND OLDER WITH NEUROFIBROMATOSIS TYPE 1 (NF1) WHO HAVE SYMPTOMATIC PLEXIFORM NEUROFIBROMAS (PN) NOT AMENABLE TO COMPLETE RESECTION ⤷  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 12,220,390

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2023233745 ⤷  Get Started Free
Australia 2023234587 ⤷  Get Started Free
Australia 2023234590 ⤷  Get Started Free
Australia 2023236367 ⤷  Get Started Free
Chile 2024002760 ⤷  Get Started Free
Chile 2024002763 ⤷  Get Started Free
Chile 2024002764 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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