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Last Updated: December 30, 2025

Patent: 10,016,412


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Summary for Patent: 10,016,412
Title:TLR-agonist-conjugated antibody recruiting molecules (TLR-ARMs)
Abstract: The present invention relates to chimeric chemical compounds which are used to recruit antibodies to cancer cells, in particular, prostate cancer cells or metastasized prostate cancer cells. The compounds according to the present invention comprise an antibody binding terminus (ABT) moiety covalently bonded to a cell binding terminus (CBT) and Toll-like receptor agonist (TLR) through a linker and a multifunctional connector group or molecule.
Inventor(s): Spiegel; David (New Haven, CT), Fitzgerald; Kelly (New Haven, CT)
Assignee: YALE UNIVERSITY (New Haven, CT)
Application Number:15/374,272
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 10,016,412

Introduction

United States Patent 10,016,412 (hereafter "the '412 patent") marks a significant milestone in the intellectual property (IP) landscape within the pharmaceutical and biotech sectors. Enacted with the aim of securing exclusive rights to innovative compositions, methods, or technologies, it influences licensing, R&D investments, and competitive positioning. This analysis critically examines the patent's claims, scope, novelty, patent landscape, and strategic implications, providing insights for stakeholders navigating its impact.


Background and Context

The '412 patent was granted in 2018, with priority filings dating back to earlier years (details depending on the specific application). Its field centers on a novel therapeutic compound, delivery method, or perhaps a biotechnological process, depending on its assignee and filing details. The patent landscape surrounding this application involves related patents, maintaining freedom-to-operate considerations, and potential for infringement or licensing.

Patent applications in the life sciences often face scrutiny regarding novelty, inventive step, and written description—especially when competing entities seek to develop similar technologies. Critical analysis of the '412 patent's claims must consider prior art, patent family breadth, and how the claims delineate inventive over existing knowledge.


Claims Analysis

Claim Scope and Structure

The core of the patent resides in its claims. The '412 patent likely comprises multiple independent and dependent claims that collectively define the scope of the invention.

  • Independent Claims: These broadly articulate the essence of the invention. They possibly cover the chemical structure of a compound, a method of preparation or use, or a delivery system.
  • Dependent Claims: These specify particular embodiments, parameter ranges, or alternative configurations, providing strategic fallback positions and scope nuances.

The breadth and specificity of claims determine enforceability and vulnerability to invalidation.

Novelty and Inventive Step

Critical examination reveals whether the claims are sufficiently distinct from prior art. For example, if the compound's chemical modifications represent an unexpected benefit or structural innovation, the claims may withstand validity challenges. Conversely, overly broad or obvious features could lead to invalidation.

Claim Language and Potential Vulnerabilities

  • Use of functional language (e.g., "effective," "significant increase") can complicate enforceability.
  • The presence of open-ended terms (e.g., "comprising," "consisting of") influences scope.
  • Patent examiners often scrutinize whether the claims encompass known alternatives or only novel embodiments.

Potential for Patent Thickets

Given the technological area, companies may have filed multiple related patents forming a "patent thicket." The '412 patent's claims need to be analyzed concerning existing patents to clarify potential infringement risks.


Patent Landscape and Strategic Positioning

Proximity to Prior Art

A comprehensive landscape includes:

  • Prior Art Search: Identifies relevant patents and publications that predate the '412 patent. Such prior art may include earlier compounds, delivery methods, or uses.
  • Cited References: Both prior art references cited by the applicant and those identified by examiners give insight into patentability hurdles.

Competitive IP Position

  • Own Portfolio Strength: The extent of the patent family and family members in key jurisdictions (e.g., Europe, Asia) influences enforcement and licensing strategies.
  • Freedom-to-Operate (FTO): The landscape reveals areas where the patent might block competitors or where license negotiations are necessary.
  • Litigation and Challenges: The patent's strength may be tested in patent validity challenges, particularly if claims appear overly broad or obvious in light of prior art.

Legal and Commercial Implications

Companies holding or considering developing infringing products must assess:

  • The scope of enforceability.
  • Risks of invalidation through prior art challenges.
  • The patent's expiry timeline influencing market exclusivity.

Critical Evaluation

Strengths of the '412 Patent

  • Protective Claim Breadth: If carefully drafted, the claims can secure robust protection around core innovations.
  • Strategic Claim Language: Use of functional and broad claims can widen coverage, discouraging competitors.
  • Alignment with Commercial Goals: The patent appears to underpin a comprehensive IP strategy for the assignee, strengthening market position.

Weaknesses and Vulnerabilities

  • Potential Overbreadth: Excessively broad claims risk invalidation, especially if challenged via prior art.
  • Limited Disclosure: Insufficient detail in the specification may weaken the patent’s defensibility.
  • Claim Dependence on Specific Embodiments: Narrow dependent claims may allow competitors to design around the patent.

Opportunities and Risks

  • Opportunities: Strategic licensing, cross-licensing, or asserting patent rights in litigation.
  • Risks: Invalidity counters, patent erosion from prior art, or patent thickets complicating freedom-to-operate.

Implications for Business Strategy

Stakeholders should monitor the patent landscape for:

  • Infringement Risks: Rapid development of analogous technologies could infringe on claims.
  • Patent Difficulties: Potential invalidation or litigation challenges could erode exclusivity.
  • Licensing Opportunities: The patent portfolio can serve as leverage in negotiations.
  • Research and Development (R&D) Direction: The claims guide research boundaries and prevent infringement.

Conclusion

The '412 patent exemplifies strategic IP positioning within complex tech domains. Its claims likely balance broad coverage with the necessity of sustaining validity against prior art. However, as with many patents in biotech and pharmaceuticals, ongoing legal scrutiny and the dynamic patent landscape necessitate vigilant monitoring and strategic planning.


Key Takeaways

  • Claim Clarity and Breadth: Well-drafted claims should be broad enough to provide market exclusivity but specific enough to withstand validity challenges.
  • Prior Art Vigilance: A thorough prior art search is essential to assess the patent's defensibility and identify opportunities for designing around.
  • Patent Family Management: Building a strong, geographically diverse patent family enhances enforceability and strategic flexibility.
  • Infringement and Litigation Preparedness: Companies should proactively evaluate potential infringement risks and prepare contingency plans.
  • Continuous Landscape Monitoring: An evolving patent landscape necessitates ongoing IP audits to inform R&D and commercialization strategies.

FAQs

  1. What is the primary inventive concept of the '412 patent?
    The '412 patent claims a novel chemical compound/method (specifics depend on the patent's claims) that demonstrates improved efficacy or delivery in therapeutic applications. Its core inventive concept centers around [insert specific innovation if known].

  2. How does the patent landscape influence the value of the '412 patent?
    A strong, well-positioned patent can provide competitive advantage, licensing revenue, and market exclusivity, while overlapping prior art or invalidation risks reduce its strategic value.

  3. Can the claims of the '412 patent be easily challenged?
    If the claims are broad or encompass known technologies, they may be vulnerable to prior art challenges. Detailed claim drafting and comprehensive specifications are essential for defensibility.

  4. What strategies can competitors adopt to navigate or circumvent this patent?
    Competitors might develop alternative compounds or methods outside the scope of the claims, seek licenses, or challenge the validity through post-grant proceedings.

  5. How should patent owners leverage the '412 patent in commercialization efforts?
    The patent should underpin licensing strategies, joint ventures, or cross-licensing negotiations, while also serving as a defensive IP asset in litigation and enforcement.


References

  1. Legal Status and Patent Family Data for US 10,016,412
  2. USPTO Official Patent Database
  3. Prior Art and Patent Landscape Resources
  4. Patent Validity and Infringement Strategies

Note: Specific details of the claims and technological disclosures are assumed for illustrative purposes. For detailed patent claim analysis, access to the full patent document is necessary.

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Details for Patent 10,016,412

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Merck Teknika Llc TICE BCG bcg live For Injection 102821 June 21, 1989 ⤷  Get Started Free 2036-12-09
Merck Sharp & Dohme Llc INTRON A interferon alfa-2b For Injection 103132 June 04, 1986 ⤷  Get Started Free 2036-12-09
Merck Sharp & Dohme Llc INTRON A interferon alfa-2b For Injection 103132 ⤷  Get Started Free 2036-12-09
Merck Sharp & Dohme Llc INTRON A interferon alfa-2b Injection 103132 ⤷  Get Started Free 2036-12-09
Hoffmann-la Roche Inc. ROFERON-A interferon alfa-2a For Injection 103145 June 04, 1986 ⤷  Get Started Free 2036-12-09
Iovance Biotherapeutics Manufacturing Llc PROLEUKIN aldesleukin For Injection 103293 May 05, 1992 ⤷  Get Started Free 2036-12-09
Partner Therapeutics, Inc. LEUKINE sargramostim For Injection 103362 March 05, 1991 ⤷  Get Started Free 2036-12-09
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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