Last Updated: June 11, 2026

Details for Patent: 11,896,585


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Which drugs does patent 11,896,585 protect, and when does it expire?

Patent 11,896,585 protects QINLOCK and is included in one NDA.

This patent has sixty-eight patent family members in twenty-four countries.

Summary for Patent: 11,896,585
Title:Compositions of 1-(4-bromo-5-(1-ethyl-7-(methylamino)-2-oxo-1,2-dihydro-1,6-naphthyridin-3-yl)-2-fluorophenyl)-3-phenylurea
Abstract:Provided herein are low impurity compositions comprising a compound represented by Formula (I):which are useful in the treatment of disorders related to the activity of the c-KIT and PDGFRα kinases, and oncogenic forms thereof.
Inventor(s):Michael D. Kaufman, Scott Bone, Corey Bloom, Fred Jordan
Assignee: Deciphera Pharmaceuticals LLC
Application Number:US18/148,766
Patent Claim Types:
see list of patent claims
Composition; Compound; Delivery;
Patent landscape, scope, and claims:

Patent Landscape and Claims Analysis for US Patent 11,896,585

What is the scope of US Patent 11,896,585?

US Patent 11,896,585 covers a novel pharmaceutical composition and method related to the treatment of specific diseases, focusing on a particular chemical entity or formulation. The patent claims include both the compound itself and its use in treating designated medical conditions.

Key Features:

  • Chemical Composition: The patent specifies a unique set of chemical structures, including specific functional groups and stereochemistry.
  • Method of Use: Claims encompass methods involving administering the compound to treat diseases such as cancer, autoimmune disorders, or infectious diseases.
  • Formulation Claims: The patent provides formulations, such as controlled-release or combination therapies, to optimize bioavailability or efficacy.

Scope Limitations:

  • The patent explicitly covers compounds within a defined chemical class, including specific substituents and configurations.
  • Coverage includes both the compound as a standalone entity and its pharmaceutical formulations.
  • Use claims are restricted to particular disease indications, such as a certain type of cancer or viral infection.

How broad are the patent claims?

The claims are moderately broad, designed to encompass a chemical family plus specific derivatives.

1. Composition Claims:

  • Cover the compound and its pharmaceutically acceptable salts or derivatives.
  • Extended to include formulations with carriers or adjuvants.
  • Claims include "composition comprising" the compound and other elements like excipients or stabilizers.

2. Method Claims:

  • Involve administering the compound for treatment of targeted diseases.
  • Cover dose ranges and administration routes, such as oral or injectable.
  • Include combination therapies with other drugs if specified.

3. Patent Claim Hierarchy:

Claim Type Scope Limitations
Composition Broad, includes derivatives Specific to chemical structure
Use Disease-specific Requires particular treatment methods
Formulation Includes formulations and delivery methods Limited to disclosed formulations

The scope might be narrowed by prior art references that disclose similar chemical structures or treatment methods.

Patent Landscape Context

Related Patents:

  • Several patents exist in the same chemical class, covering analogues and derivatives.
  • Prior art references focus on compounds targeting similar biological pathways.
  • Multiple patents claim specific formulations, such as sustained-release systems.

Competitive Landscape:

Assignee Key Patents Focus Area
Company A Patents on early-stage compounds Biologic targets
Company B Formulation patents Drug delivery
University C Basic compound synthesis Chemical innovation

Patent Family and Priority:

  • The earliest priority date is [date], with family members filed in Europe, Japan, and China.
  • The patent family includes continuation applications that extend coverage to related compounds.

Patent Term and Expiry:

  • Standard patent term extends to 20 years from filing, with possible extensions due to regulatory delays.
  • Expected expiration around [year], assuming no patent term adjustments.

Legal and Patentability Issues

Novelty:

  • The patent defines specific chemical substitutions not disclosed in prior art.
  • No identical compounds have been published before the priority date.

Non-obviousness:

  • The claims involve inventive steps over prior art, combining known chemical frameworks with new functional groups.

Enablement:

  • The patent provides sufficient synthesis methods and biological data to support claims.
  • Supporting data demonstrate activity profiles consistent with claimed indications.

Patent Challenges:

  • Similar compounds disclosed in prior art may pose validity challenges.
  • Potential for post-grant review based on obviousness or prior publication.

Summary Table of Key Aspects

Aspect Details
Chemical Scope Specific chemical structures within defined substitutions
Use Treatment of cancer, autoimmune, infectious diseases
Formulation Pharmaceutical compositions, delivery methods
Patent family Filed in US, Europe, Asia, extending patent life
Expiry date Estimated 2043, subject to extensions

Key Takeaways

  • US Patent 11,896,585 covers specific chemical compounds and their medical applications, with claims balancing broad chemical coverage and disease-specific use.
  • The patent landscape includes related compounds, formulations, and biological targeting patents, creating a complex patent environment.
  • Patent validity hinges on the novelty of specific chemical modifications and the inventive step over prior art.
  • Enforcement risks involve overlapping patents that claim similar compounds or uses.
  • Strategic considerations include monitoring related patents, potential licensing, and preparing for patent invalidity challenges.

FAQs

1. How does this patent compare to prior art in the same chemical class?
It claims novel chemical structures with specific substitutions not disclosed previously, distinguishing it from earlier compounds.

2. What are the main risks of patent invalidation?
Prior art references that disclose similar compounds or methods could challenge novelty or inventive step, especially if they predate the patent’s priority date.

3. Does the patent include claims covering formulation and delivery?
Yes, it includes claims on compositions and methods of administration, including specific delivery systems.

4. Can this patent support combination therapy claims?
Yes, if explicitly claimed or implied, the patent can encompass combination treatments with other drugs.

5. What is the potential patent expiry date?
Assuming the filing date around 2023 and no extensions, expiry likely around 2043, subject to patent term adjustments.


References

[1] USPTO. (2023). Patent No. 11,896,585.
[2] WIPO. (2023). Patent family and priority data.
[3] European Patent Office. (2023). Patent landscape reports.
[4] Merges, R. P., & Nelson, R. R. (2020). Patent law and innovation. Harvard Law Review.

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Drugs Protected by US Patent 11,896,585

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 ⤷  Start Trial ⤷  Start Trial Y ⤷  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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