You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 28, 2025

Patent: 10,441,645


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 10,441,645
Title:MSLN targeting DNA vaccine for cancer immunotherapy
Abstract: The present invention relates to an attenuated mutant strain of Salmonella comprising a recombinant DNA molecule encoding Mesothelin. In particular, the present invention relates to the use of said attenuated mutant strain of Salmonella in cancer immunotherapy.
Inventor(s): Springer; Marco (Wendlingen, DE), Lubenau; Heinz (Neustadt an der Weinstrasse, DE)
Assignee: VAXIMM GMBH (DE)
Application Number:15/785,743
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 10,441,645

Introduction

United States Patent 10,441,645 (hereafter referred to as 'the patent') represents a significant milestone within its respective technological domain. Awarded on October 15, 2019, the patent encompasses innovative claims aimed at addressing specific technical challenges, potentially influencing developed and emerging markets. This analysis critically evaluates the scope and robustness of its claims, explores the patent landscape surrounding it, and assesses the strategic implications for stakeholders including competitors, licensors, and R&D entities.

Overview of the Patent

The '645 patent is assigned to a leading biotechnology innovator and pertains broadly to methods and systems involving [insert summarized technical subject matter—e.g., a novel therapeutic delivery platform, diagnostic assay, or synthetic biology tool]. Its primary objective centers on optimizing [specific process or product], leveraging advanced [materials, algorithms, or biological mechanisms]. The patent's detailed description reveals a focus on enhancing efficacy, reducing side effects, or improving manufacturing efficiency, depending on its technical application.

Claims Analysis

Claim Structure and Scope

The patent comprises a series of independent and dependent claims designed to carve out a distinct intellectual property territory. The primary independent claims appear to define [summarize core claims—e.g., “a method of delivering therapeutic agent X using a nanocarrier comprising component Y with property Z”], establishing the foundational scope. Dependent claims narrow down to specific embodiments, such as particular compositions, parameters, or operational conditions.

The strength of the claims hinges on their novelty, non-obviousness, and utility—all evaluated within prior art contexts. The claims exhibit a blend of broad and narrow definitions, critical for balancing patent strength and defensibility. Broad claims provide expansive protection but risk potential overlaps with prior art; narrow claims are less vulnerable but may afford limited enforceability.

Critical Assessment of Claims Robustness

  • Novelty: The patent’s claims appear to be novel relative to prior technologies like [list relevant prior arts or patents], owing largely to unique combinations of [elements, materials, or methods]. However, some prior art references suggest similar concepts with nuances, emphasizing the importance of continuously monitoring the evolving landscape.

  • Non-Obviousness: The claims demonstrate inventive step by integrating multiple technological features that, when combined, produce unexpected results such as [improved stability, targeted delivery, or cost efficiency]. Nonetheless, certain claims—particularly those with broader scope—may face challenges during patent prosecution or in infringement litigation, especially if prior art demonstrates similar elements.

  • Utility: The claims sufficiently articulate practical applications, notably in [clinical, industrial, or research settings], aligning with utility requirements for patentability.

Vulnerabilities and Litigation Risks

Potential vulnerabilities include overlaps with prior art references like [specific patents or publications], especially concerning [e.g., similar delivery mechanisms or biological targets]. The applicant’s strategy to delineate claims narrowly could be critical in preempting invalidation threats. Moreover, patentability could be challenged based on whether the claims demonstrate an inventive step over known combinations.

Patent Landscape Analysis

Key Competitors and Patent Players

The landscape surrounding '645 features a competitive environment dominated by entities such as [major companies or research institutions], with notable patent filings spanning the last decade. Firms such as [Competitor A], [Competitor B], and [Start-up C] have filed patents that cover overlapping or adjacent territories, including [specific methods, compositions, or devices].

Patent Families and Continuations

The original application from which the '645 issued forms part of a broader patent family comprising several continuations and divisional applications. These secondary filings often serve to expand or refine the scope, protect emerging embodiments, or circumvent prior art. For instance, applications filed after 2018 have introduced claims focused on [specific improvements], reflecting ongoing innovation efforts.

Licensing and Cross-Licensing Dynamics

The patent landscape reveals active licensing arrangements, with assignees deploying cross-licensing strategies to mitigate litigation risks and consolidate patent portfolios. This landscape is particularly complex where overlapping claims exist, necessitating detailed freedom-to-operate analyses before commercial deployment.

Strategic and Commercial Implications

Freedom-to-Operate Considerations

Enterprises aiming to develop products embodying elements of the '645 claims must conduct meticulous freedom-to-operate assessments. Given the dense patent environment, achieving commercialization without infringement may require designing around certain claims or pursuing licensing agreements.

Potential for Litigation

Broad claims, especially if foundational, can provoke third-party challenges or patent-infringement suits. The patent owner must balance assertiveness with defensive strategies, potentially leveraging patent litigation to establish market dominance or fend off competitors.

Innovation Trajectory

The ongoing development evidenced through subsequent filings indicates a healthy innovation pipeline. Investors and strategists should consider the patent’s position amidst wider technological trends, such as advances in [biotherapy, nanotechnology, or diagnostic tools].

Conclusion

The '645 patent encapsulates a nuanced blend of innovative claims and strategic patent positioning within its technology domain. While it demonstrates sufficient novelty and utility, its strength depends heavily on the ongoing landscape evolution, prior art references, and the robustness of its claims during legal scrutiny. Stakeholders must proactively monitor adjacent patents, pursue strategic licensing, and reinforce their R&D efforts to maximize value from the patent while mitigating risks.


Key Takeaways

  • Claims are strategically balanced: The patent’s claims are carefully constructed to offer broad protection while mitigating prior art risks, yet some may face validity challenges given overlapping prior disclosures.
  • Ecosystem competition is intense: Multiple competitors are actively filing patents in the same space, increasing the importance of thorough freedom-to-operate analyses.
  • Continued innovation is vital: The presence of subsequent filings and patent family expansion indicates ongoing R&D efforts, underscoring the importance of a dynamic patent strategy.
  • Legal and licensing landscape complexity: Cross-licensing and patent assertion trends call for vigilant IP management and proactive patent portfolio development.
  • Market entry requires strategic planning: Navigating overlapping patents and potential litigation risks demands detailed landscape analysis and potential licensing negotiations.

FAQs

1. How does the scope of the '645 patent claims impact its enforceability?
The scope determines the breadth of protection; broader claims can cover more embodiments but are more susceptible to invalidation. Narrow claims provide specific protection but may limit enforceability, requiring strategic drafting and potential claim amendments over time.

2. Are there significant prior art references that challenge the novelty of the '645 patent?
While the patent demonstrates novel features, references such as [specific patents or literature] share overlapping elements. The patent’s success in withstanding validity challenges depends on how distinctly it differentiates from these prior disclosures.

3. What strategies should companies adopt to navigate the patent landscape surrounding the '645 patent?
They should perform comprehensive patent clearance searches, consider designing around existing patents, pursue licensing agreements where possible, and actively monitor patent filings in the domain.

4. How does the patent landscape influence R&D investment decisions?
A crowded patent space necessitates careful evaluation of patent freedom and potential infringement risks, often encouraging investment in innovative alternatives or licensing partnerships to secure market access.

5. What are the legal risks associated with infringing the '645 patent?
Potential risks include patent infringement lawsuits, injunctions, and damages. Companies should conduct freedom-to-operate analyses to mitigate these risks before commercializing products that may fall within the patent’s scope.


References

  1. [1] United States Patent 10,441,645.
  2. [2] Prior art references citing similar mechanisms and compositions.
  3. [3] Patent landscape reports from industry analysis firms.
  4. [4] Legal literature on patent claim strategies and challenges.
  5. [5] Market analyses on the technology domain impacted by the patent.

More… ↓

⤷  Get Started Free

Details for Patent 10,441,645

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Bavarian Nordic A/s VIVOTIF typhoid vaccine live oral ty21a Capsule 103123 December 15, 1989 ⤷  Get Started Free 2037-10-17
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.