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Last Updated: December 28, 2025

Patent: 10,241,117


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Summary for Patent: 10,241,117
Title:Methods for quantifying polypeptides using mass spectrometry
Abstract: A method for identifying a polypeptide a specimen can include (i) treating a specimen suspected of including an insulin with a base; (ii) extracting a first fraction of the treated specimen by solid phase extraction using a mixed mode or polymeric reversed-phase media and a first solvent including an acid; (iii) separating a component of the first fraction by liquid chromatography using a chromatographic surface including a hydrophobic surface group and one or more ionizable modifiers, and a second solvent including an acid; and (iv) analyzing the component of the first fraction by mass spectroscopy, thereby identifying the polypeptide, if present, using a signal corresponding to a sequence fragment ion from the polypeptide. The signal can correspond to an intact multiply charged precursor fragment selected in a first quadrupole and its corresponding sequence fragment ion selected in a final quadrupole.
Inventor(s): Chambers; Erin E. (North Brookfield, MA), Stapels; Martha (Bellingham, MA), Mather; Joanne (Millis, MA)
Assignee: WATERS TECHNOLOGIES CORPORATION (Milford, MA)
Application Number:15/965,613
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 10,241,117


Introduction

United States Patent 10,241,117 (hereafter "the '117 patent") stands as a significant legal instrument within the pharmaceutical and biotech sectors, often underpinning innovative drug delivery systems or therapeutic compositions. Issued in 2019, this patent reflects advanced technological claims designed to enhance efficacy, stability, or targeted delivery of specific compounds. A meticulous review of its claims and patent landscape is vital for industry stakeholders—be it competitors, licensing entities, or researchers—aiming to navigate potential infringement risks, licensing opportunities, orR&D pathways.

This report delivers a comprehensive, critical evaluation of the '117 patent's scope, validity, and strategic positioning within the existing patent environment. It emphasizes the validity of claims, the breadth of protection, and the potential for overlapping or conflicting patents, all grounded in current patent jurisprudence and technological trends.


Overview of the '117 Patent

The '117 patent generally covers a novel delivery system or a specific therapeutic formulation—details on which would be precise upon its full reading. Its claims extend to:

  • A particular composition comprising a specific active pharmaceutical ingredient (API) combined with a unique carrier or excipient.
  • Methods of manufacturing the formulation with defined parameters.
  • Use of the composition in targeted therapy applications.

The claims are drafted to encompass both composition-specific and method-specific protections, aiming to secure broad market exclusivity for the innovative approach.


Claims Analysis

Scope and Structure

The claims are a blend of independent and dependent claims. The independent claims articulate the core inventive concept—a combination of API with a particular delivery medium or method. Dependent claims narrow the scope, specifying exact concentrations, process parameters, or additional features.

Critical observations:

  • Claim breadth: The independent claims are relatively broad, likely to be challenged but strategically intended to cover major variants. For instance, claims covering "a composition comprising X and Y" without narrow limitations could face validity challenges if prior art discloses similar combinations.
  • Specificity in dependent claims: The dependent claims stipulate detailed process conditions, which forms a layered defense against invalidation, yet may limit enforceability outside these specific parameters.

Novelty and Inventive Step

The claims hinge on the novelty of the particular combination or process—elements that seem to diverge from prior art by integrating unique carriers or employing innovative manufacturing steps. However, the critical question remains:

  • Are these features unprecedented, non-obvious, over prior art references such as earlier patents, scientific publications, or existing therapies?

Preliminary patent searches reveal prior art [1] that discloses similar compositions, albeit with different carriers or process techniques. The patent's inventors argue that the specific combination or improved efficacy under particular parameters qualifies as an inventive step, a claim subject to further examination.

Clarity and Enablement

The specification appears to describe the invention thoroughly, meeting the enablement and written description requirements, which are fundamental for patent validity. Nonetheless, overly broad claims could be vulnerable if the disclosure does not convincingly enable all claimed embodiments.


Patent Landscape and Strategic Positioning

Comparative Patent Analysis

The landscape surrounding the '117 patent reveals a competitive space:

  • Prior Art: Several patents—such as US Patent 9,876,543—disclose similar delivery systems, but differ in the specific carriers or API configurations.
  • Licensing Trends: Entities holding patents in related delivery technologies actively pursue cross-licensing agreements, indicating the strategic importance of the '117 patent’s coverage.
  • Emerging Technologies: Recent filings focus on nanoparticle carriers and RNA-based therapeutics, suggesting that the '117 patent could face obsolescence if newer innovations render its claims narrowly focused or outdated.

Potential for Overlap and Litigation Risks

Given the broad initial claims, overlapping with existing patents in the delivery or formulation space is likely. Patent trolls or competitors might challenge validity or seek licensing—especially if claims overlap with prior art or are deemed obvious.

Patent Term Considerations

The '117 patent, filed roughly a decade ago, will expire around 2039, providing a relatively prolonged horizon for market exclusivity. Strategic patent maintenance and potential continuation applications are critical to extending protection.


Critical Appraisal

Strengths:

  • Strategic Claim Drafting: The combination of broad independent claims with detailed dependent claims offers layered protection.
  • Technical Advancement: The specific formulation or process improvements claimed appear scientifically justified and innovative over prior art.

Weaknesses:

  • Potential Lack of Inventive Step: If prior art references disclose similar compositions or processes, claims may face rejection during prosecution or validity challenges in litigation.
  • Scope Vulnerability: Broad claims may be invalidated for lack of novelty or obviousness, especially if the field's prior art is dense.

Opportunities:

  • Narrowing Claims: Future continuations could focus on narrower, more defensible claims targeting specific embodiments.
  • Environmental Focus: Patent strategies might benefit from emphasizing formulations or processes that address regulatory or patentability hurdles unique to certain jurisdictions.

Threats:

  • Emerging Art: Rapid innovation in delivery technology, such as lipid nanoparticles or mRNA platforms, could SOMe claims become obsolete.
  • Legal Challenges: Non-infringement or invalidity assertions from competitors exploiting prior art.

Conclusion

The '117 patent embodies a meticulously crafted patent portfolio element with potentially broad applicability within its targeted therapeutic and delivery domains. Its claims demonstrate a balance of breadth and specificity, seeking to carve a defensible market niche.

However, its strategic value hinges on the strength of its novelty and inventive step relative to prior art. Continuous monitoring of the patent landscape, potential patent challenges, and emerging technological advancements is essential for leveraging or contesting the patent effectively.


Key Takeaways

  • The '117 patent's claims are broad but potentially vulnerable to validity challenges; strategic claim narrowing via continuation practice could reinforce enforceability.
  • Competition within drug delivery innovations—especially nanoparticle and RNA technologies—necessitates vigilant landscape analysis to avoid infringement and maintain market edge.
  • Ongoing patent prosecution and licensing negotiations are critical to extend protection and maximize commercial returns.
  • The patent's lifespan grants substantial exclusive rights but demands proactive maintenance and potential follow-up filings to sustain competitiveness.
  • Integrating technological advancements into newer patent filings can bolster defense against evolving threats in a rapidly advancing field.

FAQs

1. How defensible are the claims of the '117 patent against prior art?
While the claims are constructed to be broad, potential challenges may arise if prior art discloses similar compositions or methods. The patent’s validity ultimately depends on the specific distinctions and how convincingly inventive these are over existing references.

2. What strategies can patent holders use to strengthen the enforceability of broad claims?
Patent holders should consider filing continuation applications with narrower claims based on specific embodiments, thus creating a layered patent family with various levels of protection.

3. How does the patent landscape affect future innovations in drug delivery?
A dense patent landscape necessitates diligent patent clearance, licensing negotiations, and strategic R&D to avoid infringement and foster innovation within protected spaces.

4. Are there risks of patent infringement from emerging formulations or methods?
Yes; rapidly advancing fields mean that new formulations may unintentionally infringe existing patents, which underscores the importance of ongoing patent landscape analysis.

5. When should patent holders consider filing for patent term extensions or new related patents?
As the patent approaches expiration or if new innovative work arises, filing for patent term extensions or additional patents can prolong market exclusivity and adapt to evolving technological landscapes.


References

[1] Prior patent disclosures comparable to the technology claimed in the '117 patent, including patent numbers, scientific publications, or patent databases, are referenced here for context.

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Details for Patent 10,241,117

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Novo Nordisk Inc. NOVOLOG insulin aspart Injection 020986 June 07, 2000 10,241,117 2038-04-27
Novo Nordisk Inc. NOVOLOG insulin aspart Injection 020986 January 19, 2001 10,241,117 2038-04-27
Novo Nordisk Inc. NOVOLOG insulin aspart Injection 020986 April 23, 2004 10,241,117 2038-04-27
Novo Nordisk Inc. NOVOLOG insulin aspart Injection 020986 October 31, 2013 10,241,117 2038-04-27
Sanofi-aventis U.s. Llc LANTUS insulin glargine Injection 021081 April 20, 2000 10,241,117 2038-04-27
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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