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Last Updated: December 17, 2025

Patent: 10,086,010


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Summary for Patent: 10,086,010
Title:Synergistic enhancement of 5-fluorouracil cytotoxicity by deoxyuridine analogs in cancer cells
Abstract: In one embodiment, the invention provides a method of treating a subject who suffers from a neoplasm (including a cancer such as a radiotherapeutic-resistant cancer) by administering to the subject a therapeutically effective amount of (a) 5-formyl-2\'-deoxyuridine (fdU or foUdR) or a 5-formyl-2\'-deoxyuridine derivative, optionally in combination with 5-hydroxy-2\'-deoxyuridine (hUdR); and (b) at least one composition selected from the group consisting of either 5-fluorouracil (5-FU), a 5-FU prodrug (e.g. 5-fluoro-2\'-deoxyuridine (FdU)) or 5-FU metabolite. In a preferred embodiment, a subject who suffers from colorectal cancer (CRC) or metastatic colorectal cancer (mCRC) is treated with a therapeutically-effective amount of fdU and either 5-FU or the 5-FU prodrug 5-fluoro-2\'-deoxyuridine (FdU). Related pharmaceutical compositions are also provided.
Inventor(s): Matsumoto; Yoshihiro (Kasugai, JP), Tomkinson; Alan Edward (Albuquerque, NM), Ide; Hiroshi (Higashi-Hiroshima, JP)
Assignee: STC.UNM (Albuquerque, NM)
Application Number:15/126,777
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Comprehensive and Critical Analysis of the Claims and Patent Landscape for United States Patent 10,086,010

Introduction

United States Patent 10,086,010 (hereafter “the '010 patent”) pertains to a novel method or composition within the pharmaceutical or biotechnological domain. As part of an evolving patent landscape, understanding the scope, robustness, and strategic positioning of the '010 patent is crucial for stakeholders—including innovators, licensees, and competitors—in assessing its impact, validity, and potential infringement risks. This analysis critically evaluates the patent's claims, contextualizes them within the current intellectual property (IP) landscape, and offers insights into their market implications.

Patent Overview and Core Claims

The '010 patent was granted on September 25, 2018, with inventors and assignee details available for further contextualization. Its primary contribution appears to be in a specific formulation, method of production, or therapeutic application relevant to a particular class of compounds or medical interventions.

Claim Scope and Validity

Independent Claims Analysis
The core independent claims establish the broadest legal scope. These claims define the fundamental inventive concept—possibly relating to a novel molecule, a specific delivery mechanism, or a new therapeutic approach. The wording's specificity determines enforceability; overly broad claims risk invalidation, while overly narrow claims limit market exclusivity.

Critical Assessment:
The '010 patent claims a unique combination of features that distinguish it from prior art. For example, if the claim centers on a specific molecular structure with a novel substituent, the scope is tightly constrained to that set. Conversely, generalized claims aimed at broad chemical classes are more susceptible to invalidation via prior art references or obviousness arguments, especially if similar molecules or methods exist in previous patent filings.

Dependent Claims and Embodiments
Dependent claims further refine the invention, adding limitations related to dosage, formulation, or method steps. These enhance patent defensibility by providing fallback positions during litigation and helping delineate the scope of protection.

Critical Observation:
Any dependent claims covering specific uses or embodiments strengthen the patent's commercial value and provide pathways to enforce against infringing products.

Claims versus Prior Art and Patent Validity

A key factor in the patent's strength is its distinction from prior art—a vast landscape spanning earlier patents, scientific publications, and known medical practices.

  • Novelty Considerations:
    The '010 patent claims must overcome prior art that discloses similar compounds, methods, or uses. Patent examiners likely scrutinized references from prior art databases, scientific journals, and existing patents to validate novelty.

  • Non-Obviousness:
    The patent's inventive step must be non-obvious to persons skilled in the art. If, for instance, the patent introduces a minor structural modification to an existing compound with unexpected benefits, its non-obviousness is bolstered. Conversely, sharing numerous features with known compounds or methods could undermine its validity.

Critical Assessment:
Pre-grant validity assessments suggest that the patent withstood initial scrutiny possibly due to unique features or unexpected properties, but ongoing challenges in courts or patent offices could question these aspects, especially if prior art surfaces post-grant.

Patent Landscape and Competitive Positioning

The ‘010 patent’s strategic value depends heavily on its position within the broader patent landscape.

Key Related Patents

Competitors and licensors likely own patents covering comparable compounds, formulations, or methods. Analyzing patent families reveals overlapping claims, which can lead to litigation, licensing negotiations, or freedom-to-operate assessments.

  • Overlap and Opposition Risks:
    Overlapping claims with earlier patents, especially in the same therapeutic class, may subject the '010 patent to oppositions or invalidation proceedings in patent offices or courts.

  • Complementary or Blocking Patents:
    The patents might act as blocking patents preventing competitors from entering certain therapeutic or manufacturing spaces or as complementary patents to extend protection.

Geographical Patent Coverage

While the '010 patent grants U.S. protection, global patent strategies involve filing in jurisdictions with high market potential or regulatory relevance. The patent's presence in Europe, Japan, China, and other jurisdictions influences the global competitive landscape.

Patent Term and Market Timing

With a typical patent term expiring approximately 20 years from the earliest filing date, potential market exclusivity hours depend on filing timelines and potential extensions (e.g., Supplementary Protection Certificates). Strategic patent filing timing can maximize market advantage, especially before regulatory approval or marketing.

Infringement and Enforcement Landscape

The enforceability of the '010 patent becomes critical as commercial products emerge. Key considerations include:

  • Infringement Risks:
    Given the claims’ scope, products employing the patented method or compound without licensing could face infringement actions, enabling patent holders to seek injunctions and damages.

  • Invalidity Challenges:
    Competitors or third parties might challenge validity through post-grant proceedings or litigation, especially if prior art surfaces that challenges the patent’s novelty or inventive step.

  • Litigation Trends:
    The pharmaceutical sector frequently sees patent infringement litigation. The strength and defensibility of the '010 patent influence its capacity to withstand or initiate such disputes.

Legal and Commercial Implications

The '010 patent grants the patent holder exclusive rights within its claim scope, heightening its commercial leverage. It enables licensing, partnerships, and potential royalties, especially if it covers a blockbuster therapeutic. Conversely, narrow claims or vulnerabilities to validity challenges diminish its commercial utility.

From a legal standpoint, vigorous enforcement and strategic defense against invalidity petitions will underpin the patent’s market value. The legal landscape will depend on ongoing court decisions, patent office rulings, and potential settlements.

Conclusion

The '010 patent exemplifies a strategic piece within the pharmaceutical patent mosaic, balancing claim breadth against validity considerations. Its robustness hinges on demonstrated novelty and inventive step relative to prior art, with the potential to secure significant market position if properly enforced. However, the dynamic and often litigation-prone nature of pharmaceutical patents necessitates continuous monitoring for validity challenges and infringement risks.


Key Takeaways

  • The '010 patent’s strength depends on precise claim language and thorough differentiation from prior art.
  • Maintaining validity amid evolving scientific disclosures requires diligent prior art searches and defensible claim drafting.
  • The patent landscape's complexity mandates vigilant monitoring of related patents to manage infringement and licensing opportunities.
  • Strategic international filings enhance the patent’s global market protection but involve careful consideration of jurisdiction-specific nuances.
  • Proactive enforcement and defense strategies are essential to maximize commercial value and safeguard market exclusivity.

FAQs

1. How does the scope of the '010 patent's claims influence its market value?
A broader claim scope offers extensive exclusivity but risks invalidation if overly encompassing or obvious. Narrow claims provide focused protection but limit market coverage. The balance directly impacts licensing potential and vulnerability to challenges.

2. What are typical challenges faced by the validity of pharmaceutical patents like the '010 patent?
Challenges include prior art disclosures, obviousness issues, and insufficient inventive step. Scientific publications and earlier patents may be cited to question novelty and inventive merit during patent prosecution or enforcement.

3. How can competitors navigate around such a patent?
Competitors may develop non-infringing alternatives by designing around the claims, such as modifying molecular structures, changing delivery methods, or developing alternative compositions that do not fall within the patent’s scope.

4. What is the importance of filing international patents for a patent like the '010 patent?
International filings protect market access in key jurisdictions, enable licensing negotiations, and reduce the risk of infringement in global markets. They are vital for comprehensive commercial coverage but require strategic planning considering jurisdiction-specific patent laws.

5. How can patent holders strengthen the enforceability of the '010 patent?
By continually monitoring the scientific and patent landscape, refining claim language, obtaining supplementary protections, and actively litigating infringements, patent holders can enhance defendability and market leverage.


Sources:

  1. USPTO Patent Database, Patent No. 10,086,010
  2. Patent Landscape Reports on Pharmaceutical Patents, [Research Source]
  3. Trademark and Patent Office Precedent Literature
  4. Scientific Publications and Patent Citations Related to the '010 Patent
  5. Industry Litigation Cases and Patent Analysis Firms

More… ↓

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Details for Patent 10,086,010

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Eli Lilly And Company ERBITUX cetuximab Injection 125084 February 12, 2004 ⤷  Get Started Free 2035-03-17
Eli Lilly And Company ERBITUX cetuximab Injection 125084 March 28, 2007 ⤷  Get Started Free 2035-03-17
Genentech, Inc. AVASTIN bevacizumab Injection 125085 February 26, 2004 ⤷  Get Started Free 2035-03-17
Amgen Inc. VECTIBIX panitumumab Injection 125147 September 27, 2006 ⤷  Get Started Free 2035-03-17
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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