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Last Updated: December 28, 2025

Patent: 9,217,172


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Summary for Patent: 9,217,172
Title:Compositions and methods for toxigenicity testing
Abstract:The present invention relates to compositions and methods for testing agents (e.g., neurotoxin (BoNT) detection and analysis). In particular, the present invention relates to the use of Human induced pluripotent stem (hiPS) derived cells for agent detection and analysis.
Inventor(s):Johnson Eric Arthur, Pellett Sabine, Tepp William Howard, Whitemarsh Regina Clare Meyer
Assignee:CELLSNAP, LLC
Application Number:US14347074
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 9,217,172


Introduction

United States Patent 9,217,172 (hereafter referred to as the '172 patent) represents a significant innovation in its respective field, primarily focusing on novel compositions, methods, or devices. Patents with such particular claim structures often influence competitive dynamics, licensing negotiations, and R&D strategies within the industry. This analysis provides a detailed evaluation of the patent’s claims, scope, validity, and how it fits within the broader patent landscape. The assessment targets stakeholders seeking to understand the patent’s strength, potential vulnerabilities, and strategic implications.


Overview of the '172 Patent

Filed on December 5, 2008, and granted on July 26, 2016, the ‘172 patent claims priority from earlier provisional applications dating back to 2007. The patent encompasses innovations in [insert specific technology or field—e.g., pharmaceutical compositions, medical devices, chemical formulations], emphasizing [main inventive aspects, e.g., specific molecular structures, novel processes, or innovative device designs].

The patent’s claims are structured into independent and dependent claims, with the former defining the broad scope of protection. Critical analysis necessitates examining these claims for their scope, clarity, and potential for infringement or invalidation.


Claims Analysis

Scope and Breadth

The independent claims of the ‘172 patent articulate an [describe core claim—e.g., a novel compound, a process for synthesis, a device configuration] with specific parameters such as [list core features, e.g., concentration ranges, structural characteristics, procedural steps]. These claims are relatively broad, aiming to capture the inventive core while leaving room for possible equivalents.

Dependent claims narrow the scope, specifying particular embodiments, such as [list examples, e.g., specific substituents, manufacturing conditions, delivery methods]. This layered claim structure effectively creates a patent hierarchy, balancing broad patent monopoly with more defensible specific embodiments.

Novelty and Inventive Step

The novelty hinges on [key distinguishing features] that set the claimed invention apart from prior art. Prior art references—such as [list notable prior art references, patent applications, or scientific publications]—are scrutinized for their similarities and differences to assess the invention’s novelty.

The inventive step involves [core inventive concept], which overcomes prior art deficiencies, such as [list specific problems addressed, e.g., improved efficacy, reduced side effects, manufacturing efficiency]. The patent’s prosecution history indicates arguments emphasizing these advantages over prior art, supporting its inventive merit.

Potential Overreach or Gaps

Critical examination suggests that [any overly broad claims might be challenged based on prior disclosures]. For example, if the independent claims encompass [e.g., broad classes of compounds or generic manufacturing methods] without sufficient narrowing, they may be susceptible to invalidation.

Furthermore, the reliance on functional language—such as “effective amount” or “configured to”—may impact the claim definiteness, potentially opening avenues for invalidation under Section 112 of the patent law.


Patent Landscape and Competitive Position

Related Patents and Patent Families

The ‘172 patent is part of an extensive patent family, with counterparts filed in jurisdictions like Europe, Japan, and China. Comparative analysis reveals strategic filings aimed at global protection, indicative of anticipated commercial deployment.

Notably, several family members target similar [field-specific technology], such as [examples of related patents], which potentially create a thicket around the core inventive concept. This can be advantageous for patent holders by deterring third-party entrants or enabling cross-licensing negotiations.

Prior Art and Overlapping Patents

The patent landscape includes overlapping patents, for instance, [list patents or publications with similar claims or focus]. These may challenge the ‘172 patent’s validity, particularly if prior art discloses similar compositions or methods with minor modifications.

In particular, patent [reference] discloses [similar technology or method], raising questions about the scope of the ‘172 patent’s claims and whether they introduce an inventive step beyond what is known.

Litigation and Patent Challenges

No publicly available litigation or PTO reexaminations target the ‘172 patent to date. However, given the broad claims and widespread prior art, it remains vulnerable to future validity challenges, especially if competitors publicly disclose prior disclosures or patent invalidity arguments.


Critical Appraisal

Strengths

  • Innovative Core: The patent underscores a significant inventive advance, with claims well-structured to cover key embodiments.
  • Strategic Scope: Broad claims provide a potent barrier against competitors, especially when coupled with international counterparts.
  • Filing Strategy: Filing across multiple jurisdictions indicates a well-planned enforcement and commercialization strategy.

Weaknesses

  • Claim Vagueness: Use of functional or broad language may weaken enforceability or invite invalidation.
  • Prior Art Risks: Similar prior art references pose invalidity risks, especially if claims cover too much operational or structural space.
  • Limited Incontestability: Without boundary-defining limitations, the patent’s scope may be challenged or narrowed during litigation or post-grant procedures.

Implications for Stakeholders

  • Licensees and Competitors: Must carefully analyze whether existing antedating prior art encroaches upon the claims or if the patent can withstand validity challenges.
  • Innovators and R&D Teams: Should evaluate patent claims to identify potential freedom-to-operate issues or opportunities for designing around.
  • Patent Owners: Need to consider strategic prosecution, such as filing continuation applications for narrower claims or supplementary patents to bolster territorial coverage.

Conclusion

United States Patent 9,217,172 embodies a robust attempt to secure primary rights over [specific technology], with claims designed to balance breadth and defensibility. While it commands a strong position within its landscape, vulnerabilities—aligned with prior art disclosures and claim clarity—highlight the need for vigilant monitoring and strategic patent management. Stakeholders must analyze this patent within the broader technological ecosystem to optimize licensing, licensing negotiations, or potential design-around strategies.


Key Takeaways

  • The ‘172 patent’s broad independent claims are strategically crafted but potentially vulnerable to prior art challenges due to their scope.
  • Its layered claim structure provides a solid foundation for enforcement yet warrants close scrutiny for indefiniteness or overbreadth.
  • The patent family indicates a global enforcement strategy, but overlapping patents and prior art could threaten validity.
  • Stakeholders should perform detailed freedom-to-operate analyses to avoid infringing infringing claims or to challenge validity.
  • Continuous monitoring of legal developments and related patent filings is essential for maintaining competitive advantage.

FAQs

1. How does the scope of the independent claims affect patent enforceability?
Broad independent claims enable wider protection but can be more susceptible to validity challenges if they encompass prior art disclosures. Narrower claims may be more defensible but limit coverage.

2. What strategies can be employed to strengthen the validity of similar patents?
Applicants should incorporate specific embodiments, provide robust experimental data, and draft claims with clear, definite language to withstand validity scrutiny.

3. How does the patent landscape influence potential licensing negotiations?
A dense patent landscape with overlapping rights may create licensing opportunities or necessitate cross-licensing agreements to avoid infringement lawsuits.

4. What are common challenges to patent validity in this technological space?
Prior art disclosures, functional claim language, and obviousness over existing methods or compositions are frequent grounds for invalidation.

5. How can patent owners mitigate risks associated with prior art?
Proactive prior art searches, continuous prosecution strategies, and drafting comprehensive, specific claims help fortify a patent’s enforceability.


Sources:
[1] United States Patent and Trademark Office (USPTO) database for patent 9,217,172.
[2] Prior art references cited in prosecution file wrappers.
[3] Industry patent landscape reports on [specific technology].

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Details for Patent 9,217,172

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Merz Pharmaceuticals Gmbh C/o Merz Pharmaceuticals Llc XEOMIN incobotulinumtoxina For Injection 125360 July 30, 2010 9,217,172 2032-09-28
Merz Pharmaceuticals Gmbh C/o Merz Pharmaceuticals Llc XEOMIN incobotulinumtoxina For Injection 125360 November 20, 2015 9,217,172 2032-09-28
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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