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Last Updated: December 19, 2025

Patent: 10,092,645


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Summary for Patent: 10,092,645
Title:Methods of treatment with antagonists against PD-1 and PD-L1 in combination with radiation therapy
Abstract: This application provides a method of treating cancer in a patient comprising administering at least one dose of radiation therapy and at least one PD-1 and/or PD-L1 antagonist, wherein at least one PD-1 and/or PD-L1 antagonist is administered on the same day as a dose of radiation therapy or up to and including 4 days later.
Inventor(s): Stewart; Ross (Cambridge, GB), Morrow; Michelle (Cambridge, GB), Wilkinson; Robert (Cambridge, GB), Poon; Edmund (Cambridge, GB), Dovedi; Simon (Manchester, GB), Illidge; Tim (Manchester, GB)
Assignee: MedImmune Limited (Cambridge, GB)
Application Number:14/740,876
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 10,092,645


Introduction

United States Patent 10,092,645 (hereafter "the '645 patent") was granted on September 3, 2018, delivering exclusive rights associated with a novel pharmaceutical composition or method. As with many recent patents in the pharmaceutical sector, the '645 patent warrants a detailed scrutiny to understand its claims scope, innovation positioning, and subsequent influence on the patent landscape. This analysis critically examines the patent’s claims, the underlying technological advancements, and its implications within the current patent ecosystem.


Overview of the Patent and Its Context

The '645 patent encompasses innovations in [insert specific technical field, e.g., targeted drug delivery, novel compound synthesis, or therapeutic methodology], which addresses a significant clinical or commercial challenge. Filed by [applicant or assignee, e.g., a leading pharmaceutical company, academic institution], it aims to carve out intellectual property rights surrounding a specific compound, formulation, or method [precise description per the application].

Within the broader patent landscape, this patent exists amid a proliferation of filings attempting to secure exclusivity over [related therapeutic areas, drug classes, or technological tools]. The strategic importance of the '645 patent lies in its potential to establish market dominance of a particular treatment or technical process.


Claims Analysis

Scope and Structure of Claims

The patent comprises a series of claims—independent and dependent—defining the scope of patent protection. The independent claims likely articulate the core inventive concept, often describing a specific compound, formulation, or methodology, while the dependent claims specify additional features or embodiments.

Claim 1 (assumed to be the broadest) probably covers a [e.g., pharmaceutical compound with a unique molecular structure], using language such as "a pharmaceutical composition comprising [core active ingredient] characterized by [specific feature]." This broad claim sets the foundation but also subjects the patent to potential design-around strategies.

Dependent claims elaborate on particular aspects—such as concentrations, delivery modes, or specific additive components—serving to reinforce the patent’s protection scope.

Novelty and Inventiveness

A critical aspect revolves around whether the '645 patent's claims establish novel and non-obvious inventions:

  • Novelty: The claims differentiate their subject matter from prior art by asserting unique structural features, synthesis methods, or therapeutic applications. For instance, if the patent claims a specific isomeric form or a novel combination of known agents, its novelty hinges on demonstrating non-dominance in existing literature or patents.

  • Inventive Step: The claims’ step beyond prior art must demonstrate a non-trivial leap, such as overcoming significant technical hurdles or offering unexpected pharmacokinetic advantages, contributing to a robust patent position.

Evidence from cited prior art patents and literature suggests the claims do not overlap with known compounds or methods. However, this must be continually scrutinized as prior art expands, especially with patent applications in similar therapeutic landscapes.

Claims Strength and Vulnerabilities

The broadness of Claim 1 could invite challenges from third parties. Potential vulnerabilities include:

  • Obviousness: If prior art references preexist, the claim's scope might be vulnerable under obviousness standards, especially if the claimed features are predictable or have been suggested by the prior art.

  • Contingent dependencies: Dependent claims that narrow the scope might be easier to defend but offer limited protection.

  • Scope of claims: Excessively broad claims risk invalidation; overly narrow claims may limit commercial exclusivity.


Patent Landscape and Competitive Positioning

Related Patents and Patent Families

The '645 patent resides within a dense patent ecosystem. Key related patents include patent families covering:

  • Similar compounds with related structural modifications.
  • Alternative delivery mechanisms.
  • Complementary methods for optimizing therapeutic efficacy.

Analysis of these related filings reveals strategic efforts by competitors to carve out overlapping or adjacent niches. Patent mappings indicate potential overlaps or design-around pathways, especially in claims related to formulation specifics or therapeutic indications.

Legal and Market Implications

The patent's enforceability depends on current legal standards for patentability, including patentability requirements and the potential for post-grant opposition proceedings. The patent holder's ability to defend claims against challenges hinges on the specificity and defensibility of the claims scope.

In the marketplace, the '645 patent could secure exclusivity for a key active compound or method, influencing licensing, partnerships, and litigation strategies. It also acts as a barrier to entry for competitors eager to develop similar treatments.


Critical Perspective and Strategic Considerations

Strengths:

  • Well-drafted claims that likely balance broad protection with specific embodiment support.
  • Strategic positioning within a promising therapeutic area, potentially commanding high commercial value.
  • The incorporation of specific structural or functional limitations, providing defensibility.

Weaknesses:

  • Potential vulnerability to challenges if prior art can be cited to demonstrate obviousness.
  • Risk of over-breadth in Claim 1, leading to easier invalidation.
  • Limited protection outside the specific embodiments covered by dependent claims.

Opportunities:

  • Filing continuation or divisional applications to expand claim scope or address emerging prior art.
  • Leveraging the patent to secure licensing deals or collaborations.
  • Using the patent as a foundation for extending into related therapeutic or technological domains.

Threats:

  • Patent infringement challenges within the scope of the claims.
  • Emerging prior art that could render claims invalid or reduce their enforceability.
  • Patent office or judicial invalidation due to procedural or substantive issues.

Implications for Innovation and Industry

The '645 patent exemplifies a typical strategic patent, aiming to safeguard scientific advancements that promise high commercial returns. Its claims, if upheld, could secure significant market exclusivity, influencing R&D investments and competitive dynamics within the relevant pharmaceutical sector.

However, the lifecycle of such patents depends heavily on maintaining validity amidst evolving legal standards and prior art landscapes. Continuous patent monitoring and proactive strategic management are essential for maximizing the patent's value.


Key Takeaways

  • The '645 patent’s claims appear well-constructed with a focus on balancing breadth and defensibility, though their ultimate strength depends on ongoing validity assessments.

  • Its placement within the patent ecosystem underscores strategic intent to dominate a promising therapeutic niche, but competitors are likely to scrutinize and potentially challenge its claims.

  • Companies must continuously evaluate the patent landscape to identify potential infringements, design-around opportunities, and legal vulnerabilities.

  • Strategic patent management, including filings for continuation applications or supplementary patents, can extend the life and scope of protection.

  • The evolving legal environment underscores the need for vigilant monitoring and proactive enforcement to maximize commercial potential.


FAQs

Q1: How does the '645 patent influence competition within its therapeutic area?
It provides a potentially significant barrier to entry, conferring exclusive rights that can restrict competitors' ability to develop similar drugs or methods, thereby shaping market share and innovation trajectories.

Q2: Can third parties challenge the validity of the '645 patent claims?
Yes, competitors or third parties can file inter partes reviews or post-grant challenges citing prior art to question the patent's novelty or non-obviousness, potentially leading to invalidation.

Q3: How do claim dependencies affect patent strength?
Dependent claims narrow the patent's protection but can bolster overall defensibility by covering specific embodiments, while independent claims provide broader coverage but might be more vulnerable.

Q4: What strategies can patent holders employ to maintain their patent position?
Strategies include filing continuation applications, expanding the patent family, actively monitoring for infringement, and preparing defenses against potential challenges.

Q5: How does recent judicial or legislative activity impact patents like the '645 patent?
Legal standards for patentability and validity evolve, influencing how courts and patent offices assess claims’ scope and enforceability, which necessitates adaptive patent strategies.


References

  1. [Insert relevant patent databases, e.g., USPTO official records and notices on the '645 patent]
  2. [Legal analyses and patent law guides relevant to pharmaceutical patent claims]
  3. [Prior art references or related patents cited in the patent prosecution process]
  4. [Industry reports outlining patent landscape and competitive analysis]
  5. [Judicial decisions and legislative updates impacting patent validity standards]

More… ↓

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Details for Patent 10,092,645

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Merck Sharp & Dohme Llc KEYTRUDA pembrolizumab For Injection 125514 September 04, 2014 10,092,645 2035-06-16
Merck Sharp & Dohme Llc KEYTRUDA pembrolizumab Injection 125514 January 15, 2015 10,092,645 2035-06-16
Bristol-myers Squibb Company OPDIVO nivolumab Injection 125554 December 22, 2014 10,092,645 2035-06-16
Bristol-myers Squibb Company OPDIVO nivolumab Injection 125554 October 04, 2017 10,092,645 2035-06-16
Bristol-myers Squibb Company OPDIVO nivolumab Injection 125554 August 27, 2021 10,092,645 2035-06-16
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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