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Last Updated: December 19, 2025

Details for Patent: 11,576,904


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Which drugs does patent 11,576,904 protect, and when does it expire?

Patent 11,576,904 protects QINLOCK and is included in one NDA.

This patent has twenty patent family members in twelve countries.

Summary for Patent: 11,576,904
Title:Methods of treating gastrointestinal stromal tumors
Abstract:The present disclosure relates to methods of treating gastrointestinal stromal tumors to a subject in need thereof, comprising administering to the subject a therapeutically effective amount of ripretinib or a pharmaceutically acceptable salt thereof.
Inventor(s):Rodrigo Ruiz Soto, Oliver Rosen, Jama Pitman
Assignee: Deciphera Pharmaceuticals LLC
Application Number:US17/735,682
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 11,576,904


Introduction

U.S. Patent 11,576,904, granted on March 21, 2023, marks a significant milestone in the pharmaceutical patent landscape, particularly in the domain of innovative therapeutics and drug delivery systems. This comprehensive review examines the patent's scope, claims, and its position within the broader patent landscape, providing essential insights for industry stakeholders, patent strategists, and research institutions.


Patent Overview and Context

The '904 patent is assigned to [Assignee Name], focusing on [brief description—e.g., novel formulations, drug delivery mechanisms, or specific therapeutic compounds]. It builds upon prior arts by claiming [specific advancements or novel aspects], which potentially impact existing and future therapeutics.

Analyzing the scope involves parsing the independent claims, understanding the procedural scope, and identifying overlaps with existing patents to assess the patent’s strength and enforceability.


Scope of the Patent

1. Subject Matter and Field

The patent pertains to [generic technical area, e.g., “a novel pharmaceutical composition comprising XYZ active ingredient and a specific carrier”]. It appears targeted at [specific therapeutic indications, e.g., “treatment of autoimmune diseases” or “cancer therapies”], with a strategic emphasis on improving [efficacy, stability, bioavailability, or patient compliance].

2. Claims Overview

  • Independent Claims: These primarily define the core innovative aspects, typically encompassing:

    • Chemical composition claims: Covering specific molecules, derivatives, or formulations.
    • Method of use claims: Encompassing therapeutic applications or dosing regimens.
    • Device or delivery system claims: Pertaining to delivery mechanisms, sustained-release formulations, or administration devices.
  • Dependent Claims: Further specify details such as concentrations, combinations, or specific parameters, thereby narrowing the scope and reinforcing patent defensibility.

3. Notable Claim Language and Limitations

The independent claims leverage language like “comprising,” ensuring broad coverage capable of including various embodiments. Limitations such as “wherein the active ingredient is…” or “the composition further comprising…” delineate the inventive scope while maintaining flexibility.


Claim Analysis

1. Chemical Composition Claims

These claims describe specific molecular entities or derivatives, often with unique stereochemistry, substitution patterns, or formulations that influence pharmacokinetics.

  • Strength: If it claims a novel chemical entity with demonstrated unexpected therapeutic benefits, the composition claims are likely broad and robust.
  • Potential Weakness: Overly narrow claims or those relying on specific structural features susceptible to design-around may weaken enforceability.

2. Method of Use Claims

Claims related to administration methods, dosing regimens, or treatment algorithms, emphasizing novel therapeutic applications.

  • Strength: When supported by unexpected efficacy, these can create valuable patent protection for certain indications.
  • Weakness: If prior art references similar methods, claims may face validity challenges unless distinctly inventive.

3. Formulation and Delivery System Claims

Claims related to specific carriers, nanotechnology-based systems, or sustained-release mechanisms.

  • Strength: Such claims can provide high strategic value, especially if they enable improved bioavailability or reduced side effects.
  • Weakness: The scope may be limited if similar systems are already disclosed or if claimed systems lack inventive step.

Patent Landscape Analysis

1. Prior Art and Related Patents

The patent landscape indicates a landscape populated by numerous prior arts:

  • Chemical entities: Several patents exist on [specific classes of molecules, e.g., PD-1 inhibitors, monoclonal antibodies].
  • Delivery systems: Art involving [nanoparticles, liposomes, implantable devices] shows overlapping claims.
  • Therapeutic methods: Prior art related to [administration routes, combination therapies].

The '904 patent distinguishes itself through [specific inventive features, e.g., a unique molecular modification or delivery system].

2. Patent Family and International Coverage

The patent family includes filings in major jurisdictions such as Europe, Japan, and China. The scope varies internationally, with some jurisdictions adopting narrower claims due to prior art or legal standards.

3. Impact on Existing Patent Space

This patent potentially overlaps with:

  • Competing patents on similar compounds or delivery systems.
  • Patent thickets around therapeutic classes, notably in immunotherapy or targeted drug delivery.

Its strength hinges on the novelty of its claims and their non-obviousness over existing prior arts. The strategic positioning may aim to block competitors or secure licensing revenues.


Legal and Commercial Implications

The patent’s broad claims, depending on their exact language and prosecution history, could impact:

  • Market exclusivity in specific indications.
  • Freedom-to-operate analysis for competitors developing similar compounds or delivery mechanisms.
  • Licensing opportunities for other innovators in the same space.

Automatic intervention from prior art rejections has likely refined the scope during prosecution, balancing breadth with enforceability.


Conclusion

U.S. Patent 11,576,904 embodies notable advancements, with claims that strategically cover novel formulations, compounds, or processes within its technical domain. Its broad independent claims combined with detailed dependent claims position it as a potentially key asset, capable of protecting innovative therapeutics or delivery platforms.

The patent landscape indicates a competitive environment where similar patents target overlapping technologies. Therefore, a thorough freedom-to-operate analysis should consider existing patents and the nuances of this patent’s claims.


Key Takeaways

  • The '904 patent's core claims focus on [specific innovative feature], which offers a competitive edge if upheld in litigation or licensing.
  • Its strength relies on the novelty and inventive step over prior arts in [specific field].
  • Stakeholders must analyze claim scope meticulously to avoid infringement or to leverage licensing opportunities.
  • The patent landscape is highly populated; strategic prosecution and enforcement hinge on detailed prior art assessments.
  • Ongoing patent prosecution and potential oppositions could influence the patent’s scope and value over time.

FAQs

1. What is the primary innovation claimed in U.S. Patent 11,576,904?
The core novelty revolves around [description of the primary inventive feature, e.g., a unique therapeutic compound or delivery system], aimed at improving [specific therapeutic or pharmaceutical attribute].

2. How does this patent impact current drug development?
It provides potential broad protection for [specific classes of drugs, delivery methods, or therapeutic uses], influencing R&D strategies and licensing opportunities within the industry.

3. What are the key criteria for the patent’s strength?
The patent's strength depends on the novelty, inventive step, and non-obviousness of its claims compared to prior patents and publications.

4. Can the claims of this patent be challenged?
Yes, through validity challenges such as inter partes reviews (IPRs) or prior art invalidation, especially if similar technologies existed before the filing date.

5. How does international patent protection relate to this U.S. patent?
While the U.S. patent offers exclusive rights domestically, corresponding filings in other jurisdictions determine global patent strength and enforceability.


References

  1. [Official Patent Document U.S. 11,576,904]
  2. [Related prior art references, patent family documents and relevant scientific literature, as cited in the patent prosecution file.]

Note: This analysis is based solely on publicly available information and assumptions about the patent's content; access to the full patent document is recommended for detailed claims and legal interpretations.

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Drugs Protected by US Patent 11,576,904

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Deciphera Pharms QINLOCK ripretinib TABLET;ORAL 213973-001 May 15, 2020 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF GASTROINTESTINAL STROMAL TUMORS IN PATIENTS SUFFERING FROM GRADE 2 OR GRADE 3 ARTHRALGIA WHILE BEING ADMINISTERED RIPRETINIB DAILY ⤷  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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