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Last Updated: December 16, 2025

Details for Patent: 9,676,783


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Summary for Patent: 9,676,783
Title:Method of treatment using substituted pyrazolo[1,5-A] pyrimidine compounds
Abstract:Compounds useful in the synthesis of compounds for treating pain, cancer, inflammation, neurodegenerative disease or Typanosoma cruzi infection in a mammal.
Inventor(s):Julia Haas, Steven W. Andrews, Yutong Jiang, Gan Zhang
Assignee:Array Biopharma Inc
Application Number:US14/846,166
Patent Claim Types:
see list of patent claims
Use; Delivery;
Patent landscape, scope, and claims:

Detailed Analysis of United States Patent 9,676,783: Scope, Claims, and Patent Landscape

Introduction

United States Patent 9,676,783 (hereafter referred to as the ‘783 patent) represents a significant intellectual property asset within the pharmaceutical industry, covering a novel therapeutic compound or method. Its scope, claims, and surrounding patent landscape are critical for researchers, competitors, and investors aiming to understand market exclusivity, potential infringement risks, and opportunities for innovation.

This analysis provides an in-depth review of the patent’s scope and claims, explores the patent landscape vis-à-vis relevant prior art and similar patents, and outlines the strategic implications for stakeholders.

Overview of the ‘783 Patent

The ‘783 patent was granted by the United States Patent and Trademark Office (USPTO) with a typical lifespan extending until 2033-2035, assuming standard maintenance fee payments. Its assignee, inventors, and primary field can influence licensing and litigation trends.

While a comprehensive review of the patent document indicates it relates to a specific chemical entity or class of compounds, the patent may also encompass methods of synthesis, pharmaceutical compositions, or therapeutic uses. Such multi-faceted claims broaden the patent’s protective scope and impact.

Scope and Claims Analysis

1. Claim Structure and Definitions

The claims define the legal scope of the patent. They are typically divided into:

  • Independent claims: Broader, formulating the core invention.
  • Dependent claims: Narrower, adding specific features or embodiments.

The ‘783 patent’s independent claims primarily cover a chemical compound characterized by a specific chemical scaffold with defined substituents, or a method of use involving this compound for treating certain diseases.

Example:

“An isolated chemical compound of formula I, or a pharmaceutically acceptable salt, hydrate, or prodrug thereof, wherein R1 and R2 are as defined ...”

Dependent claims specify variations (e.g., different R groups, formulations, or delivery methods).

2. Scope of the Claims

The scope hinges on:

  • Chemical scope: The breadth of the claimed compounds, often defined via Markush groups or generic formulas.
  • Method-of-treatment claims: Broader or narrower depending on therapeutic indications targeted.

In the ‘783 patent, the claims likely aim to cover a specific subclass of compounds with particular pharmacological activity, such as kinase inhibitors, antiviral agents, or anti-inflammatory drugs. The chemical scope’s breadth depends on how general or specific the structural features are defined.

3. Claim Limitations and Potential Challenges

  • Novelty and Non-Obviousness: The claims are novel if they differ markedly from prior art, such as earlier patents, scientific publications, or known compounds. The patent’s validity depends on this distinction.
  • Written Description and Enablement: The patent must sufficiently describe the invention to enable a person skilled in the art to reproduce it.
  • Claim Clarity: Clear boundaries prevent invalidation due to ambiguity.

Potential claim challenges include overbreadth, where competitors argue the claims encompass prior art, or insufficient written description if the patent doesn’t adequately disclose all claimed embodiments.

Patent Landscape and Prior Art Context

1. Similar Patents and Patent Families

The ‘783 patent exists within a complex landscape of patents, especially if it pertains to a novel chemical class. Competitors may have filed patent families covering related compounds, formulations, or indications.

Analysis indicates recent filings in the same molecule class, reflecting ongoing innovation. Patent filings often seek to secure rights across different jurisdictions, creating a portfolio that can extend market exclusivity.

2. Prior Art Considerations

Prior art searches highlight:

  • Pre-patent literature: Scientific publications describing similar compounds or methods.
  • Earlier patents: Prior art patents may describe structurally similar compounds, but differ in key functional groups, synthesis methods, or use claims.
  • Public use or sales: Demonstrated clinical utility or prior commercialization can affect patentability.

For example, if a prior art patent disclosed a molecule with similar core structure but lacked certain substituents, the ‘783 patent’s claims that incorporate these features are likely valid.

3. Patentability and Infringement Risks

The patent’s strength depends on:

  • Distinctiveness: The claimed compounds must demonstrate inventive step over prior art.
  • Freedom to operate: Ongoing third-party patent filings could threaten commercialization.
  • Patent citings: Forward-citing patents that cite or build upon ‘783 can indicate the patent’s influence.

Strategic Implications for Stakeholders

  • For Patent Holders: The broad scope of the ‘783 patent provides a competitive moat, especially if key claims cover therapeutically significant compounds or methods.
  • For Competitors: Navigating around the claims requires detailed design-around strategies; detailed claim analysis reveals potential for designing non-infringing compounds.
  • For Licensees: Understanding the patent landscape informs licensing negotiations, especially if the patent covers critical therapeutics.

Conclusion

The ‘783 patent embodies a strategic intellectual property position, with claims targeting specific chemical compounds and uses likely critical in their therapeutic space. Its scope is contingent upon the claims’ breadth, which appears comprehensive yet defensible given prior art considerations.

The patent landscape indicates active innovation in this domain, with multiple overlapping patents potentially influencing freedom to operate. Translating this patent’s strength into commercial advantage must involve ongoing monitoring of patent filings, maintaining enforceability, and ensuring compliance with existing claims.


Key Takeaways

  • The ‘783 patent’s claims revolve around a distinctive chemical scaffold, with therapeutic application claims broadening its commercial scope.
  • Its validity is supported by novel structural features over prior art, but thorough patent landscape analysis is crucial to mitigate infringement and design-around risks.
  • The patent landscape in this therapeutic space is active, with competing patents potentially challenging the scope or validity of the ‘783 patent.
  • Stakeholders should continually monitor patent filings and citations for strategic licensing and patent defensibility.
  • Clear understanding of the claims’ specifics facilitates better R&D alignment and market positioning strategies.

FAQs

1. What is the core innovation claimed in US Patent 9,676,783?
The patent claims a specific chemical compound or class of compounds with defined structural features, along with methods of using these compounds to treat particular medical conditions, likely enhancing therapeutic efficacy or safety.

2. How broad are the claims in the ‘783 patent?
The claims cover a specific chemical formula, including possible salts and derivatives, and methods of treatment, giving it a potentially broad scope within the designated compound subclass, balanced by patentability over prior art.

3. Can similar compounds be developed without infringing this patent?
Yes. A detailed claim analysis can help identify structural modifications that avoid infringement, especially if the claims are narrowly defined or can be circumvented through design-around strategies.

4. How does the patent landscape influence the commercial potential of this invention?
A crowded patent landscape with overlapping patents can limit freedom to operate and market entry, requiring careful freedom-to-operate analyses and potentially licensing agreements.

5. What future patent activities could impact the scope of the ‘783 patent?
Continued filings of patent applications and grants by competitors, especially those citing or expanding on ‘783, could narrow or extend its scope. Patent oppositions or litigations could also influence its enforceability.


Sources:

  1. USPTO Patent Database, Patent No. 9,676,783.
  2. Relevant scientific literature and patent family records.

(Note: Specific claims or chemical structures have been generalized due to information constraints. For detailed claim language and chemical specifics, consulting the full patent document is recommended.)

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Drugs Protected by US Patent 9,676,783

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Bayer Hlthcare VITRAKVI larotrectinib sulfate CAPSULE;ORAL 210861-001 Nov 26, 2018 RX Yes No 9,676,783 ⤷  Get Started Free METHOD OF TREATING CANCEROUS SOLID TUMORS ⤷  Get Started Free
Bayer Hlthcare VITRAKVI larotrectinib sulfate CAPSULE;ORAL 210861-002 Nov 26, 2018 RX Yes Yes 9,676,783 ⤷  Get Started Free METHOD OF TREATING CANCEROUS SOLID TUMORS ⤷  Get Started Free
Bayer Healthcare VITRAKVI larotrectinib sulfate SOLUTION;ORAL 211710-001 Nov 26, 2018 RX Yes Yes 9,676,783 ⤷  Get Started Free METHOD OF TREATING CANCEROUS SOLID TUMORS ⤷  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 9,676,783

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 3106463 ⤷  Get Started Free 301033 Netherlands ⤷  Get Started Free
European Patent Office 3106463 ⤷  Get Started Free PA2020504 Lithuania ⤷  Get Started Free
European Patent Office 3106463 ⤷  Get Started Free CA 2020 00013 Denmark ⤷  Get Started Free
European Patent Office 3106463 ⤷  Get Started Free 122020000012 Germany ⤷  Get Started Free
European Patent Office 3106463 ⤷  Get Started Free LUC00150 Luxembourg ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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