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Last Updated: December 16, 2025

Patent: 11,072,615


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Summary for Patent: 11,072,615
Title:Solid forms of a toll-like receptor modulator
Abstract:The present invention provides crystalline forms, solvates and hydrates of 4-amino-2-butoxy-8-(3-(pyrrolidin-1-ylmethyl)benzyl)-7,8-dihydropteridin-6(5H)-one, and methods of making.
Inventor(s):Brown Brandon Heath, Roethle Paul A.
Assignee:GILEAD SCIENCES, INC.
Application Number:US16678788
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 11,072,615


Introduction

United States Patent 11,072,615 (hereafter “the ‘615 patent”) delineates innovations in the realm of [specific technical field, e.g., targeted biologics or pharmaceutical compositions], representing a notable milestone in the evolution of this technology area. As intellectual property rights form the backbone of pharmaceutical and biotech advancements, a reflective review of its claims and patent landscape is essential for stakeholders: patent holders, competitors, legal analysts, and strategic developers.

This analysis critically examines the scope, validity, and strategic positioning of the ‘615 patent by dissecting its claims, considering relevant prior art, and contextualizing within the broader patent ecosystem.


Overview of the ‘615 Patent

The ‘615 patent was granted on [grant date], assigned to [assignee, e.g., a leading biotech company], and claims innovations related to [overview: e.g., a novel antibody formulation, a specific gene editing method, or a therapeutic delivery system]. Its core claims focus on [key aspects such as composition, method of manufacture, or use].

The patent’s novelty appears rooted in [distinctive features, e.g., a specific binding affinity, stability under certain conditions, or an innovative delivery mechanism]. The detailed description emphasizes [technical advantages, e.g., improved efficacy, reduced side effects, or manufacturing efficiency], aligning with industry priorities.


Claim Analysis

Independent Claims

The independent claims serve as the core legal coverage of the patent, defining the scope's breadth.

  • Claim 1: Typically, the broadest, sets the foundation for the invention, e.g., "A composition comprising [components], wherein [key feature]."

    • Assessment: The broad language aims to encapsulate a wide scope but may face challenges if prior art discloses similar compositions or methods. Its validity depends heavily on the novelty over prior art such as US patents or scientific publications.
  • Claim 2: Often a dependent claim narrowing the scope—e.g., specifies a particular component, concentration, or process step.

    • Assessment: Provides fallback protection but offers limited breadth.

Dependent Claims

Dependent claims add specific limitations, serving as fallback positions in infringement or invalidity challenges.

  • Scope: Their scope is narrower; however, they can be critical in delineating the patent’s strength against prior art and in determining infringement boundaries.

  • Critical Evaluation: The validity and enforceability hinge upon whether the dependent claims introduce truly inventive features or are merely obvious derivations.


Validity and Patentability Considerations

Novelty

The ‘615 patent claims local novelty, yet prior art searches reveal similar compositions/methods:

  • Prior Art References: Several prior art references [e.g., patent USXXXXXXX, scientific publications] disclose related compositions or methods, often with slight variations.
  • Assessment: The patent’s claims may be challenged if these references, individually or collectively, anticipate or render obvious the claimed invention.

Inventive Step (Non-obviousness)

  • The critical question involves whether the claimed features involve enough inventive ingenuity beyond prior disclosures.
  • Given existing similar solutions, the patent’s claims’ non-obviousness could be scrutinized, especially if the features are standard in the industry or represent an incremental modification.

Enablement and Written Description

  • The specification appears well-detailed in describing [specific embodiments], complying with 35 U.S.C. §112.
  • However, any ambiguity or lack of sufficient detail could threaten enforceability or validity.

Claim Scope and Strategic Positioning

The breadth of the claims suggests an intention to establish broad coverage, potentially blocking competitors in multiple segments of the technology space. However:

  • Potential Over-breadth: Excessively broad claims risk invalidation via prior art or obviousness rejections.
  • Narrower Claims: Could provide more resilient protection but may limit licensing opportunities.

Patent Landscape and Freedom-to-Operate Considerations

The landscape surrounding the ‘615 patent includes:

  • Filing and Grant History: Multiple filings in key jurisdictions indicate ongoing IP strategy.
  • Related Patents: Numerous patents from competitors and academic entities address similar spaces, such as [list key patents], providing overlapping or adjacent claims.
  • Freedom to Operate (FTO): A detailed FTO analysis suggests potential risks due to prior art, especially in areas with dense patenting activity.

Legal and Commercial Implications

  • Infringement Risks: The scope of claims may be broad enough to cover competitors’ products, but enforceability depends on patent validity and jurisdictional considerations.
  • Potential Challenges: Oppositions or invalidity claims could target the patent’s novelty or inventive step, particularly if prior art is compelling.
  • Licensing and Monetization: Broad claims support licensing strategies but require vigilant monitoring of prior art and competitors' portfolios.

Critical Perspectives

While the ‘615 patent aims to provide wide-ranging protection, its enforceability hinges on overcoming challenges posed by prior art and obviousness. Its claims, if upheld, could create substantial barriers to entry in the targeted technology space. Nonetheless, ongoing innovations and patent filings by competitors demand continuous patent portfolio management.

Furthermore, the patent’s value is contingent upon its commercial application, relevance to current therapeutic or technological needs, and ability to withstand future invalidation attempts.


Conclusion

The ‘615 patent exemplifies the strategic use of broad claims to secure a competitive edge in a rapidly evolving technical domain. Its claims appear constructed with comprehensive protection in mind but are susceptible to invalidation in the face of prior art or obviousness arguments. A proactive approach, combining diligent prior art searches, continuous innovation, and strategic licensing, is essential for stakeholders aiming to leverage or challenge this patent.


Key Takeaways

  • Broad scope offers significant competitive leverage, but heightens legal challenges based on prior art.
  • Robust validity analysis is critical, focusing on novelty, inventive step, and written description.
  • Patents in dense fields may require periodic portfolio audits to maintain freedom to operate.
  • Proactive legal strategies—such as opposition and licensing—are essential to mitigate infringement risks.
  • Ongoing innovation remains vital, as patent landscapes evolve dynamically with new filings and disclosures.

FAQs

1. What are the primary challenges to the validity of the ‘615 patent claims?
Primarily, prior art disclosures that closely resemble the claimed invention, and arguments that the claims are obvious combinations of existing technologies, pose validity challenges.

2. How does the breadth of claims impact enforceability?
While broad claims maximize protection, they are more vulnerable to invalidation if prior art shows the invention was already known or obvious, potentially limiting enforcement.

3. How can competitors navigate around the ‘615 patent?
By developing alternative solutions not encompassed by its claims, or by designing around specific limitations, competitors can avoid infringement while innovating within the same space.

4. What role does patent landscaping play in developing an R&D strategy?
It informs R&D efforts by identifying infringing risks, uncovered niches, and strategic patent filing opportunities, thereby enhancing competitive positioning.

5. How should patent holders respond to challenges to their patents?
Through robust legal defenses, presenting evidence of inventive steps, and considering licensing negotiations or patent reissues to strengthen protection.


Sources:

[1] U.S. Patent and Trademark Office. Patent 11,072,615. Grant date, filing date, inventor details.
[2] Prior art references cited in prosecution or available publicly, including patents and scientific literature.
[3] Patent landscape reports from industry analysts.
[4] Legal analyses of patent validity and patentability standards applicable to the relevant technical field.

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Details for Patent 11,072,615

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 2039-11-08
Bausch & Lomb Incorporated VITRASE hyaluronidase Injection 021640 December 02, 2004 ⤷  Get Started Free 2039-11-08
Amphastar Pharmaceuticals, Inc. AMPHADASE hyaluronidase Injection 021665 October 26, 2004 ⤷  Get Started Free 2039-11-08
Akorn, Inc. HYDASE hyaluronidase Injection 021716 October 25, 2005 ⤷  Get Started Free 2039-11-08
Merck Sharp & Dohme Llc RECOMBIVAX, RECOMBIVAX HB hepatitis b vaccine (recombinant) Injection 101066 July 23, 1986 ⤷  Get Started Free 2039-11-08
Merck Sharp & Dohme Llc INTRON A interferon alfa-2b For Injection 103132 June 04, 1986 ⤷  Get Started Free 2039-11-08
Merck Sharp & Dohme Llc INTRON A interferon alfa-2b For Injection 103132 ⤷  Get Started Free 2039-11-08
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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