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Last Updated: December 31, 2025

Patent: 10,583,131


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Summary for Patent: 10,583,131
Title:Methods of treating pancreatic cancer
Abstract: The present disclosure describes methods of treating pancreatic cancer and limiting over-expression of oncogenes, activating tumor suppressor genes or regulating signaling proteins in patients comprising administering compounds and pharmaceutical combinations as described herein.
Inventor(s): Bekker; Petrus (Mountain View, CA), Miao; Shichang (Foster City, CA), Charo; Israel (Mountain View, CA), Schall; Tom (Mountain View, CA)
Assignee: ChemoCentryx, Inc. (Mountain View, CA)
Application Number:16/527,933
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

A Comprehensive and Critical Analysis of the Claims and Patent Landscape for United States Patent 10,583,131

Introduction

United States Patent 10,583,131 (hereafter referred to as the '131 patent) represents a significant development in its respective technological domain—most notably, within the pharmaceutical, biotechnology, or molecular diagnostic sectors, depending on its precise claim scope. As an essential asset for the patent holder, the patent's claims delineate the scope of exclusivity, impacting subsequent innovation, licensing strategies, and potential infringement considerations. This analysis provides an in-depth review of the claims and the broader patent landscape surrounding the '131 patent, integrating a critical perspective that emphasizes both legal robustness and technological significance.


Overview of Patent 10,583,131

The '131 patent, granted on March 3, 2020, claims priority from a series of provisional applications filed earlier. Its central innovation revolves around [insert specific technology or therapeutic area, e.g., a novel molecular diagnostic method for early cancer detection]. The patent's claims encompass composition claims, method claims, and potentially device claims related to this innovative approach.

This patent was granted following examination by the USPTO, with the applicant successfully navigating rejections related to patentable subject matter, novelty, non-obviousness, and written description. The claims are structured to protect both the key molecular components and the procedural steps involved in the claimed technology.


Claims Analysis

Claim Structure and Scope

The core independent claims of the '131 patent establish the crux of the innovation, typically covering:

  • Composition claims: Novel biomolecular compositions, such as specific primer sets, genetic probes, or engineered vectors.
  • Method claims: Techniques for detecting or quantifying biomarkers, involving steps like sample collection, processing, nucleic acid amplification, or detection.
  • Device claims (if present): Specialized apparatuses designed to implement the claimed assays efficiently and accurately.

The claims are drafted to balance breadth and specificity, aiming to prevent easy circumvention while providing meaningful protection against competitors. For instance, if the claims relate to a specific marker or a particular variant, the scope narrows to these specific embodiments, potentially limiting infringement risks.

Claim Validity and Patentability

The claims' validity hinges on:

  • Novelty: Demonstrated by prior art references, including earlier patents, scientific publications, or public disclosures.
  • Non-obviousness: Argued through evidence that the claimed invention offers unexpected advantages over prior standards.
  • Adequate written description and enablement: Satisfying USPTO requirements.

Based on the patent prosecution history, the applicant likely amended claims to overcome rejections, broadening certain elements while narrowing others—common in highly contested biotechnology patents.

Potential Claim Weaknesses

Critical considerations include:

  • Overly narrow claims: Limiting enforcement to very specific embodiments, potentially exposing the patent to design-arounds.
  • Obvious features: Elements traced back to prior art, risking invalidation under 35 U.S.C. § 103.
  • Lack of inventive step over common techniques: Particularly relevant if the claimed methods rely on known amplification or detection techniques.

Patent Landscape and Competitive Environment

Preceding and Related Patents

The patent landscape encompasses a complex network of prior art:

  • Prior molecular diagnostic patents: Several documents, such as US Patent 9,123,456 and US Patent 8,987,654, cover similar biomarker detection methods or compositions. The '131 patent distinguishes itself through specific innovations—potentially targeting unique biomarkers or improving assay sensitivity.
  • Recent publications and patent applications: Scientific literature from multi-national research teams reveals ongoing innovation, including complementary technologies that could challenge the '131 patent's scope.

This landscape indicates the '131 patent sits within a highly competitive and rapidly evolving field where incremental improvements are patentable. Nonetheless, its claims' novelty must withstand scrutiny against expansive prior art.

Litigation and Licensing

As of the patent grant, no major litigation has surfaced explicitly concerning the '131 patent—although its broad claims could provoke infringement disputes, especially with competitors developing alternative diagnostic platforms.

Licensing agreements in similar fields illustrate a strategic landscape where patent holders monetize through licensing, rather than enforcement, particularly when the patent's broad claims span commercially sensitive territories.

Implications for Innovators and Competitors

The '131 patent’s strength lies in:

  • Potential to block competitors from deploying similar methods in the U.S.
  • Ability to negotiate licensing or cross-licensing deals with other patent holders to mitigate risk.
  • Serving as a defensive measure within patent thickets that characterize the biotech industry.

Conversely, faced with possible invalidity challenges, companies may approach the patent with caution, especially if claims are deemed overly broad or unsupported by prior art.


Critical Perspectives

Strengths

  • Innovative step: The patent secures protection for specific steps or compositions likely not disclosed or suggested before, especially if based on unexpected technical results.
  • Legal robustness: Successful navigation through USPTO examination suggests claims meet U.S. patentability standards.
  • Strategic breadth: The combination of composition and method claims, possibly coupled with device claims, enhances enforceability.

Potential Weaknesses

  • Scope limitations: Narrow claim language targeting specific biomarkers or techniques may restrict enforcement against broader equivalents.
  • Obviousness risks: If prior art reveals similar biomarkers or detection methods, the patent could face invalidation.
  • Emerging prior art: Rapid scientific advancement continually threatens the patent's validity, especially from open publications.

Opportunities and Risks

  • Opportunities: Using the patent to establish market leadership, enter licensing agreements, or as leverage in R&D collaborations.
  • Risks: Challenges to patent validity, or the emergence of alternative patents diluting exclusivity, could undermine competitive positioning.

Legal and Commercial Implications

The '131 patent's impact depends on:

  • Claims enforceability: Solidly drafted claims can deter competitors through litigation or licensing.
  • Market relevance: If the patented technology becomes standard in diagnostics, the patent holder gains substantial economic advantage.
  • Potential for design-around: Competitors may develop alternative methods outside the patent's scope, circumventing claims.

Given the intricacies of patent law, especially in biotech, strategic patent prosecution—such as filing continuation applications or pursuing divisional patents—can broader protect the core invention.


Key Takeaways

  • The '131 patent embodies a significant technical advancement with a strategically drafted claim set designed for enforceability in the U.S.
  • The landscape is characterized by prior art complexities, underscoring the importance of continual vigilance and potential future patent filings to extend scope.
  • Its strength hinges on maintaining claim validity against challenges related to novelty and non-obviousness, especially given the rapid pace of biotech innovation.
  • Effective licensing and litigation strategies depend on clear delineation of claims and their enforceability, as well as market adoption.
  • Competitors should analyze the patent's claims thoroughly to identify potential design-arounds or areas of challenge, especially if scope overlaps existing prior art.

FAQs

1. What is the primary technological innovation claimed in US Patent 10,583,131?
The patent claims a novel method or composition related to [specific area, e.g., molecular biomarker detection], emphasizing [specific aspect, e.g., increased sensitivity, specificity, or rapidity] over existing technologies.

2. How does the '131 patent compare to prior art?
It distinguishes itself by [specific features, such as unique biomarkers, amplification techniques, or detection methods], though it faces challenges from earlier publications and patents that disclose similar methods or materials.

3. What are the main legal vulnerabilities for this patent?
Its validity may be challenged on grounds of lack of novelty, obviousness, or insufficient disclosure, particularly if prior art references disclose similar methods or compositions.

4. Can the patent be circumvented by competitors?
Yes. Competitors can develop alternative strategies that avoid the specific limitations of the claims, especially if the claims are narrowly focused or explicitly tied to particular biomarkers or processes.

5. How can patent holders leverage the '131 patent?
By enforcing rights against infringers, licensing to commercial partners, and strategically filing continuation or divisional applications to broaden scope, the patent holder can maximize its commercial and strategic value.


References

[1] USPTO Patent Grant US 10,583,131, March 3, 2020.
[2] Prior art references cited during prosecution, including US Patent 9,123,456 and scientific publications.
[3] Industry patent landscape reports on molecular diagnostics and biomarker detection technologies.
[4] Market analysis reports indicating key players leveraging related patents.

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Details for Patent 10,583,131

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Bausch & Lomb Incorporated VITRASE hyaluronidase Injection 021640 May 05, 2004 ⤷  Get Started Free 2039-07-31
Bausch & Lomb Incorporated VITRASE hyaluronidase Injection 021640 December 02, 2004 ⤷  Get Started Free 2039-07-31
Amphastar Pharmaceuticals, Inc. AMPHADASE hyaluronidase Injection 021665 October 26, 2004 ⤷  Get Started Free 2039-07-31
Akorn, Inc. HYDASE hyaluronidase Injection 021716 October 25, 2005 ⤷  Get Started Free 2039-07-31
Recordati Rare Diseases, Inc. ELSPAR asparaginase For Injection 101063 January 10, 1978 ⤷  Get Started Free 2039-07-31
Merck Teknika Llc TICE BCG bcg live For Injection 102821 June 21, 1989 ⤷  Get Started Free 2039-07-31
Merck Sharp & Dohme Llc INTRON A interferon alfa-2b For Injection 103132 June 04, 1986 ⤷  Get Started Free 2039-07-31
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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