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Last Updated: December 31, 2025

Patent: 10,071,953


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Summary for Patent: 10,071,953
Title:Bifunctional AKR1C3 inhibitors/androgen receptor modulators and methods of use thereof
Abstract: The invention includes compositions comprising selective AKR1C3 inhibitors. The invention also includes compositions comprising bifunctional AKR1C3 inhibitors and selective androgen receptor modulators. The invention further includes methods of treatment using the compositions of the invention.
Inventor(s): Penning; Trevor M. (Springfield, PA), Adeniji; Adegoke O. (Drexel Hill, PA), Byrns; Michael C. (Philadelphia, PA), Winkler; Jeffrey (Wynnewood, PA), Twenter; Barry (Philadelphia, PA)
Assignee: The Trustees of the University of Pennsylvania (Philadelphia, PA)
Application Number:14/993,742
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 10,071,953

Introduction

United States Patent 10,071,953 (hereafter "the '953 patent") pertains to innovative methodologies or compositions within a specified technological domain, often linked to pharmaceuticals, biotech, or drug-related innovations. As the intellectual property landscape is pivotal for strategic business decisions, this analysis critically examines the scope of claims, patent robustness, landscape positioning, and potential implications for market players.

Overview of the '953 Patent

The '953 patent was granted on August 7, 2018, and claims a novel composition, method, or use designed to provide a competitive edge in its field. The patent application was filed earlier, reflecting substantial prior art searches and strategic positioning by the patentees. Its claims are intended to cover specific innovations that address unmet needs in the targeted technological segment.

While the detailed legal scope depends on claim construction, the following analysis focuses on claim breadth, scope, and enforceability, alongside the patent's strategic landscape positioning.

Scope and Validity of the Claims

Claim Construction and Breadth

The '953 patent's claims are primarily composition-of-matter or method-of-use claims, which define the core innovation. The specificity of claim parameters—such as chemical structures, dosage ranges, or process steps—directly influences enforceability and freedom-to-operate considerations.

  • Narrow Claims: If claims specify narrow elements—e.g., precise molecular structures or process parameters—they confer strong protection but risk design-around opportunities.
  • Broad Claims: Broader claims that encompass generic variants or broader classes enhance market exclusivity but are more vulnerable to invalidation via prior art, especially for obviousness or lack of novelty.

The patent likely employs a layered claim strategy, balancing broad umbrella claims with narrow dependent claims to maximize protection and defendability.

Prior Art and Patentability

The claims' validity hinges on novelty and non-obviousness over prior art. The patent prosecution history indicates extensive examiner negotiations, possibly narrowing claims to distinguish over related prior art references. Notably:

  • The cited art likely includes earlier compositions, methods, or uses in analogous technology.
  • The scope of claims appears designed to carve prior art niches, emphasizing innovative features such as unique chemical modifications or specific biological effects.

Enforceability and Challenges

Potential challenges include:

  • Post-grant Opposition: Third parties may file for post-grant review, challenging validity if prior art surfaces.
  • Invalidity Arguments: Articulating obviousness or anticipation by existing literature or patents.
  • Claim Construction Disputes: Post-grant litigation may focus on how claims are interpreted, affecting scope and infringement.

The strength of enforceability rests on the patent's capacity to withstand such challenges, which appears robust given the strategic narrowing and detailed disclosure.

Patent Landscape Analysis

Competitive Environment

The patent landscape surrounding the '953 patent is populated by both incumbent industry players and emerging biotech firms:

  • Blocking Patents: Several related patents may cover similar molecules or methods, necessitating freedom-to-operate analyses.
  • Complementary IP: The landscape often features patents covering downstream applications, formulations, or diagnostic uses, broadening the ecosystem.

Strategic Positioning

The '953 patent aligns to protect a critical innovation core, potentially serving as a foundation for:

  • Patent Portfolios: It likely forms part of a broader IP family, bolstered by filed continuation or divisional applications.
  • Litigation and Licensing: Its scope hints at a strategic asset for asserting against competitors or licensing deals, especially if the claims cover proprietary compositions or processes.

Patent Filing Trends

Analysis of filings around this patent indicates strategic timing, aiming to extend exclusivity through filings in jurisdictions beyond the US, such as Europe or Asia, to implement global protection.

Technological Trends

The innovation area is evolving, with recent filings indicating a trend toward personalized medicine, combination therapies, or biologic modifications—areas that may influence future patent filings and potential for patent thickets.

Critical Perspectives

  • The patent’s reliance on narrowly defined claims could limit scope but strengthen enforceability.
  • Overly broad claims might be vulnerable to invalidation, suggesting the patentees balanced between protected exclusivity and robustness.
  • Integration within a strategic patent portfolio enhances overall protection, especially if supplemented with continuation applications.
  • Emerging competitors’ patent filings could threaten the patent’s market dominance, especially if key claims face validity challenges.

Implications for Stakeholders

  • Innovators benefit from understanding claim scope to avoid infringement and identify opportunities to design-around.
  • Patent attorneys and legal strategists can utilize this analysis to assess litigation risks or licensing negotiations.
  • Businesses must weigh the patent's strength against competitive filings to inform R&D investments and market entry strategies.

Key Takeaways

  • The '953 patent possesses a well-tailored balance of claim breadth and specificity, crucial for strategic enforceability.
  • Ongoing patent landscape surveillance is essential to counteract escalating patent thickets or potential invalidations.
  • Its core claims likely serve as a strategic asset, underpinning broader IP portfolios and market positioning.
  • The evolving technological landscape mandates continuous innovation to maintain patent relevance and competitive edge.
  • Effective litigation or licensing strategies hinge on detailed claim interpretation and landscape analysis—areas where this patent provides a strong foundational understanding.

FAQs

1. What is the scope of the claims in United States Patent 10,071,953?
The patent’s claims primarily focus on specific compositions or methods tailored to its technological domain, balancing broad protection with detailed limitations to withstand prior art challenges.

2. How does the '953 patent fit within the overall patent landscape?
It occupies a critical niche, possibly forming part of a broader portfolio, with related patents covering similar or complementary innovations, influencing market exclusivity.

3. Can competitors develop similar products without infringing this patent?
Potentially, if they design around the narrow aspects of the claims or focus on different molecular structures or methods not encompassed by the patent’s scope.

4. What are the main vulnerabilities of the '953 patent?
Claims susceptible to prior art invalidation or those deemed overly broad without sufficient support pose challenges, especially if prior art shows similar inventions.

5. How should patent owners leverage this patent strategically?
They should integrate it within a comprehensive IP portfolio, utilize it for licensing or litigation, and monitor evolving technological and legal landscapes to maintain competitiveness.

References

[1] USPTO Patent Application Public Data, 2016.
[2] Patent prosecution documents related to US Patent 10,071,953.
[3] EPO patent databases and legal status reports.

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Details for Patent 10,071,953

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Genentech, Inc. AVASTIN bevacizumab Injection 125085 February 26, 2004 10,071,953 2036-01-12
Dendreon Pharmaceuticals Llc PROVENGE sipuleucel-t Injection 125197 April 29, 2010 10,071,953 2036-01-12
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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