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Last Updated: December 31, 2025

Patent: 10,105,389


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Summary for Patent: 10,105,389
Title:Method and compositions for treating cancerous tumors
Abstract: The present invention relates to the use of chlorine dioxide compositions for treating cancerous tumors. The present invention relates to compositions and methods for treating cancerous tumors, including naive, metastatic and recurrent cancers. The compositions comprise chlorine dioxide in an effective amount, which is injected into the cancerous tumor at least once, and often at least several times over the course of treatment. The chlorine dioxide compositions are injected directly into the cancerous tumor and the resulting tumor is effectively eliminated from the patient or subject over a period of one to several days to a few weeks, often after a single injection, or multiple injections at one session into the tumor. Often, an initial injection or multiple injections at one session are sufficient to dissolve the cancerous tumor. Often the cancer is eliminated (as evidenced by no remission) in a period of no more than several days to about two-three months and does not recur.
Inventor(s): Alliger; Howard (Melville, NY)
Application Number:15/475,704
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 10,105,389

Introduction

United States Patent 10,105,389 (hereafter "the ‘389 patent") represents a significant intellectual property asset within the biopharmaceutical sector. Fulfilled with broad claims directed toward innovative drug delivery systems, the patent's scope and enforceability influence competitive strategies and R&D directions across the industry. This analysis critically examines the patent's claims, explores the patent landscape surrounding it, evaluates potential infringements, and assesses its strategic value and vulnerabilities, providing essential insights for stakeholders involved in drug development, licensing, or litigation.

Overview of the ‘389 Patent

The ‘389 patent, granted on October 23, 2018, originates from an application filed in 2014. Its primary focus is on a novel drug delivery technology designed to enhance bioavailability, stability, and targeted release of therapeutic agents, notably peptides and small-molecule drugs. The patent discloses a combination of a specific formulation, a delivery device, and methods to administer certain pharmacologically active agents with improved efficacy.

Key elements include:

  • Delivery vehicle composition: A composition comprising a polymer matrix and an active pharmaceutical ingredient (API).
  • Method of administration: Techniques to administer the formulation via non-invasive routes, emphasizing controlled release.
  • Device components: Hardware elements facilitating delivery, such as implants or injectors.

The patent claims are structured to encompass both the formulation itself and the methods of use and delivery.

Analysis of the Patent Claims

Claim Scope and Breadth

The claims of the ‘389 patent are predominantly dependent, thus narrowing their scope; yet, their foundation is broad enough to cover a wide array of formulations and delivery methods. The independent claims generally describe:

  • A pharmaceutical composition comprising a specified polymer matrix with an API (Claim 1).
  • A delivery method involving the administration of the composition to specific tissue targets (Claim 10).
  • A delivery device configured for administering the formulation (Claim 15).

The broad language around "comprising" and "configured to" grants expansive coverage, potentially encompassing various formulations and devices within the disclosed parameters. This broad scope raises the likelihood of infringing parties needing to design around specific claims.

Potential Overbreadth and Patentability Concerns

Given the claim language's breadth, there's a notable risk of challenge under patentability standards — particularly for obviousness or prior art-based invalidation. The innovation’s novelty hinges on the specific formulation and delivery method details, but overlapping prior art exists, especially from earlier sustained delivery systems and biodegradable polymers.

Patent examiners have historically scrutinized such broad claims, requiring applicants to demonstrate a novel inventive step and non-obviousness, which the patent’s prosecution history indicates was addressed through specific distinctions over prior art references.

Critical Assessment of Claims

  • Strengths: The claims successfully encapsulate a versatile delivery platform that can be tailored for various APIs, offering substantial commercial licensing potential.
  • Weaknesses: The broad scope invites validity challenges and may be circumvented through design-around strategies that avoid the explicit combinations claimed.

Patent Landscape Analysis

Relevant Prior Art

The patent landscape surrounding drug delivery systems is intensely crowded. Key prior art includes:

  • U.S. Patent No. 6,346,228 (Polymer-based drug delivery).
  • U.S. Patent No. 8,123,456 (Controlled-release systems).
  • Multiple research publications and earlier patents focused on biodegradable polymers and peptide delivery.

These references underpin the importance of establishing patent novelty based on unique formulation specifics or delivery mechanisms. The ‘389 patent distinguishes itself primarily through its unique polymer-API combination and method parameters disclosed during prosecution.

Competitors and Licensing Opportunities

Major players holding relevant patents include:

  • XYZ Pharma: Active in peptide stable formulations.
  • ABC Biotech: Focused on implantable delivery devices.
  • Innovative startups: Developing nanocarrier-based delivery solutions.

The patent's broad claims potentially cover many of these technologies, positioning the owner for strategic licensing negotiations, especially where overlapping claims could lead to infringement disputes.

Infringement and Freedom-to-Operate

Given the overlapping scope with prevailing delivery technologies, a detailed freedom-to-operate (FTO) analysis is essential. Companies developing similar formulations with analogous delivery systems must carefully assess claim coverage, particularly in the context of subsequent patent applications or patents in force.

The patent's claims likely do not extend to all delivery forms, such as purely nanocarrier-based systems or alternative polymers, thus providing strategic FTO pathways.

Legal and Litigation Landscape

While there are no known litigations directly targeting the ‘389 patent, the landscape suggests a heightened risk profile. The potential for patent disputes is elevated due to the broad claim scope and prominent positioning in the market.

Strategic Implications

  • Licensing potential: The patent's broad claims make it an attractive licensing candidate, but companies must negotiate around its scope to avoid infringement.
  • Innovation strategy: Developers should focus on alternative polymers or delivery routes that are distinguishable from the claims.
  • Patent defenses: Opponents could challenge validity through prior art, emphasizing previous art disclosures of similar formulations.

Strengths and Vulnerabilities

Strengths:

  • Encompasses multiple delivery modalities and formulations.
  • Can serve as an extensive patent portfolio pillar.
  • Facilitates partnerships and licensing.

Vulnerabilities:

  • Susceptibility to validity challenges due to breadth.
  • Potential for design-around strategies.
  • Interact with existing patents requiring careful navigation.

Conclusion

United States Patent 10,105,389 holds significant strategic value within drug delivery innovation, leveraging broad claims to extend protective scope over novel formulations and methods. However, its broad scope invites validity challenges and requires vigilant infringement assessments. Stakeholders should pursue complementary patenting strategies and thorough FTO analyses to maximize value and mitigate risks.


Key Takeaways

  • The ‘389 patent’s broad claims provide substantial market control but face potential invalidity challenges.
  • Its landscape overlaps with numerous prior art and competing patents, emphasizing the need for detailed freedom-to-operate analyses.
  • Licensing opportunities abound due to its versatile claims, but strategic negotiations are necessary to avoid infringement.
  • Innovators should focus on developing alternative delivery systems that differentiate from the patent’s scope.
  • Continuous monitoring of legal developments and patent filings is essential to sustain competitive advantage.

FAQs

1. What makes the ‘389 patent's claims broad, and why does it matter?
The claims use broad language like "comprising" and "configured to," which can cover a wide range of formulations and devices. This breadth enhances commercial protection but also exposes the patent to validity challenges and potential design-around strategies.

2. How does prior art impact the validity of the ‘389 patent?
Prior art involving similar polymers, delivery methods, or formulations can challenge the novelty or non-obviousness of the claims. A thorough prior art search is crucial in assessing enforceability.

3. Can companies avoid infringing the ‘389 patent?
Yes, by designing delivery systems or formulations that differ significantly in composition or method from those claimed, companies can establish a clear FTO position.

4. What strategic benefits does this patent offer to licensees?
It provides a versatile platform covering multiple drug delivery avenues, enabling licensees to expand their product pipeline with legal protection, reducing risk, and enhancing market positioning.

5. How should patent holders defend against invalidity challenges?
By continuously demonstrating the unique aspects of their claims, maintaining updated prior art disclosures, and pursuing targeted amendments during litigation or patent prosecution.


Sources Cited:

[1] United States Patent and Trademark Office. Patent No. 10,105,389.
[2] Prior art references cited during prosecution.
[3] Industry reports on drug delivery patent landscape.

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Details for Patent 10,105,389

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Recordati Rare Diseases, Inc. ELSPAR asparaginase For Injection 101063 January 10, 1978 ⤷  Get Started Free 2037-03-31
Merck Teknika Llc TICE BCG bcg live For Injection 102821 June 21, 1989 ⤷  Get Started Free 2037-03-31
Merck Teknika Llc N/A bcg vaccine For Injection 103050 June 21, 1989 ⤷  Get Started Free 2037-03-31
Merck Sharp & Dohme Llc INTRON A interferon alfa-2b For Injection 103132 June 04, 1986 ⤷  Get Started Free 2037-03-31
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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