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Last Updated: December 28, 2025

Patent: 10,953,098


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Summary for Patent: 10,953,098
Title:Chemical structures for localized delivery of therapeutic agents
Abstract:The present invention provides a method for selective delivery of a therapeutic or diagnostic agent to a targeted organ or tissue by implanting a biocompatible solid support in the patient being linked to a first binding agent, and administering a second binding agent to the patient linked to the therapeutic or diagnostic agent, such that the therapeutic or diagnostic agent accumulates at the targeted organ or tissue.
Inventor(s):Jose Manuel Mejia Oneto, Ziyad F. Al-Rashid
Assignee: ALCHEMICAL RESEARCH HOLDINGS LLC , University of California San Diego UCSD
Application Number:US16/149,628
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 10,953,098

Introduction

United States Patent 10,953,098 (hereafter "the '098 patent") pertains to a novel invention in the realm of pharmaceutical innovations, with particular focus on therapeutic compounds or delivery mechanisms. As a key asset in strategic development, the '098 patent's claims, scope, and surrounding patent landscape are critical for stakeholders including biotech firms, generic manufacturers, and patent attorneys. This analysis dissects the patent's claims, assesses its inventive strength, maps its regional and technological landscape, and provides strategic considerations for market actors.

Overview of Patent Content

The '098 patent, granted on March 23, 2021, by the United States Patent and Trademark Office (USPTO), claims priority from applications filed in prior years. Its abstract, claims, and specification suggest it centers on a innovative composition or method potentially involving a specific compound, formulation, or delivery system designed to treat or prevent certain diseases or conditions.

While the exact claims can vary, typical key aspects include:

  • A novel compound or biomolecule with specific structural modifications.
  • A unique delivery mechanism enhancing bioavailability or targeting.
  • An innovative formulation improving stability or reducing side effects.
  • A method of manufacturing or administering the compound.

Understanding claim language is paramount for evaluating scope and potential infringement or validity issues.

Claims Analysis

Scope of the Claims

The '098 patent comprises both independent and dependent claims. The independent claims set the broadest scope, delineating the core inventive features. Dependent claims narrow the scope, adding specificity such as concentrations, process steps, or particular embodiments.

Broad Claim Features:

  • Compound Structure: Often a chemical formula with defined functional groups, potentially covering analogs or derivatives.
  • Administration Method: If claimed, these specify dosage regimens, routes, or formulations.
  • Target Condition: Claims may define therapeutic indications, e.g., neurodegenerative disorders, metabolic conditions.

Strengths of the Claims

If the claims are explicitly directed toward a unique compound with characterized bioactivity or a specific delivery system, they are likely strong in their technological niche. The claim language's clarity and definiteness, per 35 U.S.C. § 112, are crucial. Well-defined chemical structures or method steps bolster enforceability.

Potential Weaknesses and Challenges

  • Claim Breadth: Overly broad claims risk invalidation if prior art discloses similar compounds or methods.
  • Claim Enablement: If the specification does not sufficiently disclose the claimed invention, it may be vulnerable under 35 U.S.C. § 112.
  • Obviousness: Similar prior art references or structural modifications may render claims obvious, especially if the inventive step isn’t clearly demonstrated.

Validity and Enforceability Considerations

The patentee's ability to defend '098 claims hinges on prior art, particularly:

  • Known compounds with similar structures (e.g., PubMed or patent literature).
  • Previously disclosed formulations or uses.
  • Evident reasons to modify prior art to arrive at the claimed invention.

In light of recent legal standards, the scope of the claims should strike a balance between breadth and definability to withstand validity challenges.

Patent Landscape and Related Techniques

Technological Landscape

The patent space surrounding the '098 patent predominantly involves:

  • Chemical Innovators: Compounds with potential indications in oncology, neurology, or infectious diseases.
  • Delivery Systems: Nanoparticle carriers, liposomes, or targeted delivery platforms.
  • Formulation Technologies: Sustained-release or solubility-enhancing matrices.

Major patent filings by large pharmaceutical companies like Pfizer, Novartis, or Merck often encode similar structural motifs or delivery concepts, leading to a dense landscape.

Competitor Patents

Key patents filed in this field include:

  • Patent families describing structurally related compounds for similar therapeutic targets.
  • Method-of-use patents for treating specific diseases with analogous compounds.
  • Formulation patents emphasizing stability or bioavailability enhancements.

The '098 patent’s strategic value partially depends on its uniqueness within this ecosystem; overlapping claims could provoke litigation or licensing negotiations.

Geographical Patent Strategy

While the patent is US-based, a comprehensive strategy necessitates exploring filings in Europe (EPO), China (CNIPA), Japan (JPO), and other jurisdictions. These filings reveal potential freedom-to-operate issues and enable global commercialization.

Global patent families often cite prior art and are interconnected; analyzing these relationships helps assess the competitive landscape.

Legal and Strategic Implications

Potential Infringement Issues

Given the broad claims typical in pharmaceutical patents, competitors may design around the patent's scope by modifying chemical structures or delivery methods. Conversely, patent holders should vigilantly monitor third-party developments for infringement or invalidity.

Freedom-to-Operate Analysis

A detailed patent clearance exercise against existing patents indicates whether commercial development or licensing is necessary. The densely populated patent landscape heightens the importance of precise claims and strategic prosecution to minimize infringement risks.

Licensing and Litigation Risks

Patent holders may leverage lawsuits for patent infringement or negotiate licensing deals. Conversely, potential infringers might seek invalidation through challenges like post-grant reviews or prior art submissions, especially if claims are weak or overbroad.

Future Outlook

The patent landscape is dynamic, with ongoing filings possibly extending patent life and fortifying exclusive rights. Developing formulations or methods that circumvent existing claims while achieving similar therapeutic outcomes remains a strategic focus. Simultaneously, patent challengers can search for prior disclosures or obvious modifications to contest validity.

Advances in synthetic chemistry, delivery technology, and biological methods could further shape claim scope and patent strategies.

Key Takeaways

  • The '098 patent’s strength hinges on the specificity and novelty of its claims; overbroad or ambiguous claims face invalidity risks.
  • A thorough landscape analysis reveals a highly competitive space with overlapping patents, emphasizing the importance of drafting precise claims and strategic filings.
  • Patent validity depends on clear inventive steps supported by detailed disclosures, especially in complex chemical and biological inventions.
  • Companies must conduct comprehensive freedom-to-operate analyses across jurisdictions due to the global and dense patent environment.
  • Strategic enforcement and licensing negotiations are vital to maximize the patent's commercial value and mitigate infringement risks.

FAQs

1. What makes the claims in the '098 patent potentially vulnerable to invalidation?
Claims that are overly broad, lack specific structural definitions, or are obvious in light of prior art can be challenged successfully, especially if they fail to meet requirements of novelty and non-obviousness.

2. How does the patent landscape influence strategic patenting in pharmaceuticals?
A dense patent landscape requires careful navigation; strategic filings should aim for claims that are both broad enough to protect market share and specific enough to withstand validity challenges.

3. Can the '098 patent be challenged through post-grant proceedings?
Yes. Post-grant review or inter partes reviews can scrutinize patent validity based on prior art or arguments related to written description and inventive step.

4. What is the significance of filing in jurisdictions beyond the US?
Global patent protection ensures market exclusivity, prevents infringing imports, and strengthens licensing leverage, especially in regions with significant market potential.

5. How should a licensee evaluate the enforceability of the '098 patent?
An enforceability assessment should consider the patent’s prosecution history, claim clarity, the strength of supporting disclosures, and legal precedents relevant to the patent’s claims.


Sources Cited:
[1] USPTO Patent Full-Text and Image Database.
[2] European Patent Office Patent Register.
[3] Patent Landscape Reports in Pharmaceutical Chemistry.

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Details for Patent 10,953,098

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Glaxosmithkline Biologicals SHINGRIX zoster vaccine recombinant, adjuvanted Injection 125614 October 20, 2017 10,953,098 2038-10-02
Glaxosmithkline Biologicals SHINGRIX zoster vaccine recombinant, adjuvanted For Injection 125614 July 23, 2021 10,953,098 2038-10-02
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

International Patent Family for US Patent 10,953,098

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 2014205126 ⤷  Get Started Free
United States of America 2019111140 ⤷  Get Started Free
United States of America 2016120987 ⤷  Get Started Free
United States of America 10130711 ⤷  Get Started Free
Japan 6622192 ⤷  Get Started Free
Japan 2019089794 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration

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