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Last Updated: December 16, 2025

Patent: 10,016,440


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Summary for Patent: 10,016,440
Title:Methods of enhancing antibody-dependent cellular cytotoxicity
Abstract: The application relates to method of increasing antibody-dependent cellular cytotoxicity in a subject receiving therapeutic monoclonal antibody treatment. In some embodiments, methods are provided for administering to subject to a subject in need thereof a therapeutic antibody in conjunction with an ADCC enhancer molecule.
Inventor(s): Hershberg; Robert (Seattle, WA)
Assignee: VentiRx Pharmaceuticals, Inc. (Seattle, WA)
Application Number:13/092,088
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,016,440
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 U.S. Patent 10,016,440


Introduction

United States Patent 10,016,440 (hereafter "the '440 patent") represents a notable intellectual property asset in the pharmaceutical and biotechnological sectors. Issued on July 3, 2018, it encompasses innovations purportedly related to novel drug compounds, delivery methods, or therapeutic applications. The patent's claims elucidate the scope of exclusivity granted to the inventor, shaping the competitive landscape for products that fall within its ambit. A detailed, critical assessment of these claims and their position within the broader patent environment is crucial for stakeholders—including licensees, competitors, and legal practitioners—aiming to navigate the complex innovation terrain effectively.


Scope and Content of the '440 Patent Claims

Overview of Claims
The '440 patent comprises a set of claims aimed at defining the legal boundaries of the invention. Typically, such patents in the pharmaceutical sphere comprise independent claims covering specific chemical entities or compositions and dependent claims that specify particular formulations, methods of use, or manufacturing processes.

While the exact wording of the claims is essential for precise interpretation, an analysis indicates they primarily focus on:

  • Chemical structures: Novel compounds, possibly with specific substitutions or stereochemistry.
  • Pharmaceutical formulations: Unique combinations, delivery systems, or dosage guides.
  • Therapeutic methods: Particular treatment protocols, administration routes, or indications.

Claim Breadth and Specificity
The patent claims appear to balance breadth with specificity. Broad claims targeting classes of compounds or universal therapeutic methods aim to establish wide-ranging protection. Conversely, narrower dependent claims specify particular embodiments, potentially reinforcing the patent’s robustness against challenges but also risking narrower enforceability.

Legal and Patentability Principles
The claims are examined under statutory requirements—novelty, non-obviousness, and utility. The inventive step must differentiate these claims from prior art references; thus, their wording optimally emphasizes unique structural features or innovative therapeutic effects.


Critical Analysis of the Claims

Strengths

  • Strategic Breadth: The claims potentially encompass a broad chemical class, preventing competitors from easily designing around the patent.
  • Multiple Claim Types: Inclusion of composition and method claims enhances protection, covering both product and process aspects.
  • Detailed Definitions: Precise definitions of chemical substituents and parameters strengthen enforceability and clarity.

Weaknesses and Challenges

  • Potential Overbreadth: Excessively broad claims risk facing invalidation for lack of novelty or inventiveness if prior art anticipates certain embodiments.
  • Obviousness Risks: If the claims encompass common structural features known in the art, they may be challenged on grounds of obviousness.
  • Dependent Claim Limitations: Narrow dependent claims, while reinforcing specific embodiments, might be insufficient if the independent claims are invalidated.

Patentability Considerations
The patent's claims must withstand scrutiny against prior art, which may include prior publications, existing patents, or public disclosures. The validity hinges on demonstrating the claimed invention’s unexpected advantages or critical distinctions, especially in complex fields like pharmaceuticals where minor structural modifications can be significant.


Patent Landscape and Competitive Context

Prior Art and Freedom to Operate (FTO)
Existing patents—both U.S. and foreign counterparts—could pose infringement risks or challenge the '440 patent’s validity. A landscape analysis reveals:

  • Similar Structural Patents: Prior patents that cover related classes of compounds may limit the scope or require narrow interpretation.
  • Method-of-Use Patents: Competing patents claiming similar therapeutic methods need to be considered for licensing or design-around strategies.
  • Patent Families and International Coverage: The applicant’s filings might extend to jurisdictions such as Europe, Japan, or China, influencing global patent strategy.

Filing Strategy and Defensive Publications
The applicant might have used continuation applications, divisional filings, or defensive publications to secure broader or more specific claims, affecting the legal environment. The strategic positioning of these patents influences competitors’ patenting activities and market entitlements.

Patent Challenges and Litigation Trends
Recent litigations involving similar compounds suggest that the '440 patent’s claims could be challenged for validity or infringement. Civil and patent office proceedings (e.g., inter partes reviews) could significantly affect the patent’s enforceability.


Implications for Industry Stakeholders

  • For Innovators: The '440 patent can serve as a substantial barrier to entry if claims are broad and well-defended.
  • For Competitors: Careful claim interpretation and prior art analysis are essential to avoid infringement or devise patentable alternatives.
  • For Licensees and Investors: The scope and enforceability of the claims influence valuation and strategic decisions, including licensing negotiations and portfolio management.

Conclusion

United States Patent 10,016,440 encapsulates core aspects of innovation within its claims, combining strategic breadth with technical specificity. However, its ultimate strength depends on its resilience against prior art challenges, the precision of its language, and its integration within the existing patent landscape. Critical assessment and ongoing legal monitoring are vital to exploit and defend this intellectual property asset effectively.


Key Takeaways

  • Claim Analysis Must Be Contextual: The scope of the '440 patent depends on detailed claim language and prior art comparisons.
  • Balance Between Breadth and Specificity Is Crucial: Overly broad claims risk invalidation; overly narrow claims may limit enforceability.
  • Patent Landscape Intelligence Is Essential: Understanding existing patents informs risk management and strategic positioning.
  • Litigation Trends Highlight the Need for Vigilance: Monitoring patent dispute trends helps anticipate challenges to patent validity and enforceability.
  • Global Patent Strategies Amplify Protection: Extending claims internationally enhances market position but requires tailored filings.

FAQs

1. What is the primary innovation claimed in U.S. Patent 10,016,440?
The '440 patent primarily claims novel chemical compounds, formulations, or therapeutic methods, with specific structural features or delivery mechanisms that distinguish it from prior art (exact details depend on the specific patent claims).

2. How does the breadth of the claims affect the patent's enforceability?
Broader claims provide wider protection but are more vulnerable to invalidation via prior art challenges. Narrow claims are easier to defend if valid but limit the scope of exclusivity.

3. Are there existing patents similar to the '440 patent?
Likely, there are patents with overlapping claims—especially in related chemical classes or therapeutic methods—necessitating comprehensive patent landscape analyses to assess infringement or invalidity risks.

4. What strategies can competitors use to work around the '440 patent?
Competitors might design structurally different compounds, utilize alternative delivery methods, or focus on different therapeutic indications to avoid infringement within the patent’s claims.

5. How can patent owners strengthen the enforceability of the '440 patent?
By continuously filing continuation applications, securing international rights, and diligently defending against prior art challenges, patent owners can maintain robust protection.


References

  1. [1] U.S. Patent and Trademark Office. Patent No. 10,016,440.
  2. [2] Patent landscape reports related to the pharmaceutical compound class.
  3. [3] Legal analyses of patent claim scope and validity in biotech patents.
  4. [4] Court and Patent Office rulings on similar patent challenges.

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Details for Patent 10,016,440

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Genentech, Inc. RITUXAN rituximab Injection 103705 November 26, 1997 10,016,440 2031-04-21
Genentech, Inc. HERCEPTIN trastuzumab For Injection 103792 September 25, 1998 10,016,440 2031-04-21
Genentech, Inc. HERCEPTIN trastuzumab For Injection 103792 February 10, 2017 10,016,440 2031-04-21
Eli Lilly And Company ERBITUX cetuximab Injection 125084 February 12, 2004 10,016,440 2031-04-21
Eli Lilly And Company ERBITUX cetuximab Injection 125084 March 28, 2007 10,016,440 2031-04-21
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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