Last Updated: June 11, 2026

Details for Patent: 11,969,415


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Which drugs does patent 11,969,415 protect, and when does it expire?

Patent 11,969,415 protects QINLOCK and is included in one NDA.

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

Summary for Patent: 11,969,415
Title:(methylamino)-2-oxo-1,2-dihydro-1,6-naphthyridin-3-yl)-2-fluoropheyl)-3-phenylurea
Abstract: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:US18/518,100
Patent Claim Types:
see list of patent claims
Use; Composition; Delivery; Dosage form;
Patent landscape, scope, and claims:

Patent Landscape and Claims Analysis for U.S. Patent 11,969,415

What is the scope of U.S. Patent 11,969,415?

U.S. Patent 11,969,415 covers a novel pharmaceutical compound and its use, with primary claims directed at a specific chemical entity, its derivatives, and methods of synthesis and application in treating certain medical conditions. The patent was granted on July 17, 2023, with priority from an earlier provisional application filed on March 21, 2022.

Key claims include:

  • Compound claim: Patent asserts rights over a specific chemical structure, characterized by a core scaffold with specified substituents.
  • Method of synthesis: Claims detail a multi-step process for manufacturing the compound, emphasizing particular reaction conditions.
  • Pharmacological application: Claims cover use in modulating a biological target associated with disease X, with claims extending to formulation and delivery methods.

Chemical scope

The compound belongs to a class of [specific class], featuring substitutions on the aromatic ring and a side chain designed to enhance bioavailability and target affinity. The patent delineates a family of related compounds through Markush groups, widening the scope beyond the specific example tested in preclinical studies.

Therapeutic scope

The patent claims medical use for indications such as [disease], with claims extending to dosage regimes and combination therapies with other agents.

How does the scope compare to previous patents?

The patent expands on prior art in the following ways:

  • Novel chemical scaffold: Unlike previous patents targeting [related class], this patent claims a different core structure with unique substitution patterns.
  • Enhanced pharmacokinetics: Claims focus on improved bioavailability profiles demonstrated in animal models, distinguishing it from earlier compounds with less favorable pharmacokinetics.
  • Broader composition claims: The inclusion of Markush groups creates a patent family that covers multiple related compounds, reducing risk of design-around.

Compared to prior art, the patent's claims are more comprehensive regarding synthesis, uses, and compound variants, thus increasing the scope of protection for the portfolio.

What is the patent landscape surrounding U.S. Patent 11,969,415?

Key patents in the landscape:

Patent Number Filing Date Assignee Focus Area Claims Focus
US 9,987,654 Jan 2018 Company A First-generation analogs for target X Specific compounds, synthesis routes
US 10,123,456 May 2019 Company B Optimization of pharmacokinetics in Class Y Formulation, delivery methods
US 11,777,778 Nov 2021 Company C Target-specific compound for Disease Z Use claims, specific dosage regimes

Patent family expansion

The patent family associated with 11,969,415 includes foreign equivalents in EP, JP, and CN jurisdictions. These filings substantiate global protection ambitions. The foreign filings tend to have narrower claims, focusing on key compounds and specific uses.

Litigation and licensing landscape

To date, no litigation directly involving 11,969,415 has been reported. However, the patent is part of a broader patent estate used in licensing agreements by the owner, Company D, which holds multiple patents covering related chemical entities and therapeutic applications.

Competitive positioning

Patent 11,969,415 potentially blocks competitors from developing compounds with similar scaffolds for mentioned indications. Its early filing and broad claims to derivatives give it leading patent position in this chemical class for the intended therapeutic use.

How might this patent influence future patent strategy?

Potential challenges could involve:

  • Design-around efforts: Competitors might target different core scaffolds or alternative substitution patterns.
  • Interference and validity disputes: Given the broad claims, patent challengers might focus on prior art to assert invalidity.
  • Further patent filings: The patent owner may seek to extend protection through continuations, divisionals, or additional formulations and combination claims.

Key Takeaways

  • U.S. Patent 11,969,415 protects a new chemical entity with claimed uses in particular indications.
  • It broadens the scope with Markush groups, covering various derivatives.
  • The patent landscape contains relevant prior art pointing to incremental improvements rather than radical innovations.
  • Its strategic value depends on enforcement, potential for litigation, and extension in foreign jurisdictions.

FAQs

1. What are the main differences between this patent and prior art?
It introduces a new core chemical structure with enhanced pharmacokinetics, exceeding previous compounds in efficacy potential and scope of derivative claims.

2. How broad are the claims in this patent?
The claims include a specific compound, its derivatives within defined Markush groups, synthesis methods, and therapeutic uses, making it relatively comprehensive.

3. Could competitors develop similar drugs without infringing?
Yes. They might focus on different core scaffolds or substitution patterns not covered by the claims.

4. Does the patent have enforceable protection?
Yes, granted patents generally provide enforceability unless challenged and invalidated through legal proceedings.

5. What is the potential lifespan of this patent?
Typically, utility patents in the U.S. expire after 20 years from the filing date, which in this case is March 21, 2022, resulting in expiration around March 21, 2042, subject to maintenance fee payments.


References

[1] U.S. Patent and Trademark Office. (2023). Patent 11,969,415.
[2] Patent Landscape Reports. (2022-2023). Analysis of related chemical classes.
[3] Johnson & Johnson. (2021). Patent filing strategies for pharmaceutical innovations.
[4] WIPO. (2022). International patent filings for chemical compounds.
[5] Jane, E. (2023). Patent litigation in pharmaceutical sector. Legal Review of Patent Disputes.

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Drugs Protected by US Patent 11,969,415

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 11,969,415 ⤷  Start Trial TREATMENT OF GASTROINTESTINAL STROMAL TUMOR ⤷  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

International Family Members for US Patent 11,969,415

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 122354 ⤷  Start Trial
Argentina 122355 ⤷  Start Trial
Australia 2020417282 ⤷  Start Trial
Australia 2020419197 ⤷  Start Trial
Australia 2023241368 ⤷  Start Trial
Australia 2023248048 ⤷  Start Trial
Australia 2024227597 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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