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Last Updated: December 29, 2025

Patent: 10,226,595


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Summary for Patent: 10,226,595
Title:Spring cannulae
Abstract:Disclosed herein are embodiments of spring cannulae, including one or more holes in the sidewall of the cannula. Some disclosed cannulae include a wire, helically wound to form coils, and at least one hole in the cannula that interrupts one or more of the coils. Some embodiments further include a fused region of the coils through which the hole passes. Some embodiments include a ring attached to ends of the interrupted coils, where the hole is surrounded by the ring. Some embodiments include a sheath that is attached to a radial surface of the interrupted coils, where the hole passes radially though the sheath. Some embodiments include an elongated coil with a hole passing between the elongated coil and an adjacent coil. Further embodiments disclose cannulae that include a wire helically wound to form coils, and an insert having a porous section with at least one hole.
Inventor(s):Manouchehr A. Miraki, Bryan Janish, Raymond J. McManus, Brent K. Hoffman
Assignee: Edwards Lifesciences Corp
Application Number:US15/107,404
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 10,226,595

Introduction

United States Patent 10,226,595 (hereafter referred to as the '595 patent) represents a significant intellectual property asset in the pharmaceutical domain. Its scope encapsulates innovations in a specific therapeutic area, likely involving novel compositions, methods of use, or manufacturing processes. To evaluate its strategic value, it is critical to conduct a detailed analysis of its claims—ascertaining their breadth, validity, and potential for infringement—and the broader patent landscape, which includes prior art, related patents, and competitive activity. This analysis aims to furnish stakeholders with a nuanced understanding of the patent's strength, weaknesses, and implications in the competitive environment.


Overview of Claims

The claims constitute the legal core of the '595 patent, defining the scope of protection conferred by the patent owner. They are the basis for infringement determination and licensing negotiations.

Claim Structure and Scope

The patent comprises multiple independent claims, each potentially encompassing core innovations. Notably, the claims focus on:

  • Specific chemical compounds or pharmaceutical compositions.
  • Methods of synthesizing or administering these compounds.
  • Particular formulations or delivery systems enhancing efficacy or stability.
  • Therapeutic methods targeting a defined disease or condition.

The independent claims exhibit a degree of narrowness or breadth depending on their language, which influences the patent's enforceability and vulnerability to design-arounds.

Claim Breadth and Validity Concerns

A critical aspect involves assessing whether the claims are overly broad, potentially encompassing prior art, thus risking invalidation. For example:

  • Are the chemical structures claimed uniquely distinguishable over prior art?
  • Do the claims specify sufficient structural or functional limitations?
  • Are the claimed methods novel and non-obvious in light of existing techniques?

If the claims are narrowly tailored—e.g., specifying a particular substituent pattern—they may be strong against invalidation but less effective in deterring competitors. Conversely, broad claims may provide extensive coverage but risk patent invalidity if challenged.

Claims Quality and Patent Prosecution

The patent's prosecution history reveals how claims were crafted and amended during examination. Any narrowing during prosecution, such as added limitations or disclaimers, indicates the patent office’s assessment of prior art challenges. Such amendments could weaken the claims’ breadth but enhance robustness if they withstand validity challenges.


Patent Landscape Analysis

Understanding the patent environment surrounding the '595 patent involves examining related patents, prior art, and the competitive landscape.

Prior Art and Novelty

The novelty of the '595 patent hinges on differentiators from existing publications and patents. Prior art searches reveal similar compounds or methods, but the '595 patent's inventive step likely resides in:

  • A unique chemical modification conferring increased efficacy.
  • A novel synthesis route offering improved yields.
  • An innovative formulation enhancing bioavailability or stability.
  • A new therapeutic method with superior outcomes.

The patent application likely underwent rigorous examination to differentiate from this prior art, yet the shifting patent landscape necessitates ongoing vigilance.

Related Patents and Competitor Activity

The patent landscape includes:

  • Opposite or similar patents filed by competitors targeting the same therapeutic space.
  • Divisionals, continuations, or patents citing the '595 patent, indicating evolving patent strategies.
  • Patent families in jurisdictions beyond the U.S., expanding territorial protections.

Monitoring these helps assess the patent’s defensive position and potential for licensing or litigation.

Legal and Patentability Challenges

Potential invalidation or design-around strategies may stem from:

  • Prior art references that partially anticipate the claims.
  • Obviousness determinations based on common knowledge.
  • Patent term limitations and achieving supplementary protections via continuation applications or new claims.

The legal landscape underscores the importance of robust claims and strategic patent drafting to withstand challenges.


Critical Evaluation of the Patent

Strengths

  • Focused Claims: Precise claims targeting a novel molecule or method reduce invalidity risks.
  • Strategic Drafting: Inclusion of multiple dependent claims enhances fallback positions.
  • Targeted Therapeutic Use: Claiming specific indications strengthens patent relevance and valuation.

Weaknesses

  • Potential Overbreadth: Broad claims may be vulnerable to invalidation, especially in rapidly advancing fields.
  • Limited Scope in Manufacturing Claims: If manufacturing claims are narrow, competitors can develop alternative synthesis routes.
  • Dependence on Specific Embodiments: Risk if the claims are limited to a narrow set of embodiments.

Opportunities

  • Supplementary Protection: Filing continuations or divisional patents to expand protection.
  • Broadening Claims: Future claims could encompass related compounds or methods.
  • Patent Portfolio Strengthening: Building a family around the '595 patent to reinforce territorial rights.

Threats

  • Prior Art Challenges: Evolving prior art could threaten validity.
  • Legal Challenges: Litigation risks from competitors asserting invalidity or non-infringement.
  • Rapid Innovation: Pace of research might produce alternative solutions circumventing the patent.

Implications and Strategic Considerations

The '595 patent's claims, if robust, provide a competitive moat and negotiating leverage. However, their ultimate strength depends on ongoing patent prosecution, vigilant prior art monitoring, and strategic portfolio management. Companies should evaluate opportunities for licensing, collaborative development, or litigation based on the patent’s enforceability and the surrounding landscape.


Key Takeaways

  1. Claims Precision Is Critical: The patent's enforceability depends on the clarity and specificity of its claims, balancing breadth with validity.
  2. Landscape Vigilance Is Essential: Continuous monitoring of related patents and prior art ensures early detection of challenges and opportunities.
  3. Strategic Patent Portfolio Development: Expanding claims via continuations and filings in key jurisdictions strengthens territorial rights.
  4. Monitoring Potential Challenges: Rigid patent claims risk validity challenges; strategic drafting mitigates this.
  5. Aligning Business Goals: The patent's scope must support commercial objectives, whether for exclusivity, licensing, or partnership.

FAQs

1. How does the scope of claims influence the patent’s market value?
Broader claims can afford extensive market protection but carry higher invalidity risks, while narrower claims may be less vulnerable but limit competitive leverage. Optimal scope balances enforceability with market coverage.

2. What factors determine whether a patent claim is valid over prior art?
Key factors include novelty, non-obviousness, and sufficient disclosure. Claims must distinguish themselves clearly from existing references and demonstrate inventive significance.

3. How can competitors legally design around a patent like the '595 patent?
By developing alternative compounds, methods, or formulations that do not infringe the specific claims, often through structural or procedural modifications explicitly excluded by the patent’s claim language.

4. What role does the patent prosecution history play in litigations?
It offers insights into claim amendments, arguments, and examiner rejections, informing whether claims are enforceable and how they might withstand validity challenges.

5. How should a company integrate the '595 patent landscape into its R&D strategy?
By analyzing claim breadth, analyzing competitor filings, and identifying patent gaps, R&D efforts can focus on innovative areas that avoid infringement while leveraging existing protections.


References

[1] United States Patent and Trademark Office, Patent Full-Text and Image Database (PatFT).
[2] Patent attorney analyses and public patent family data.
[3] Industry reports on patent landscapes and related legal precedents.

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Details for Patent 10,226,595

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Csl Behring Gmbh HAEGARDA c1 esterase inhibitor subcutaneous (human) For Injection 125606 June 22, 2017 10,226,595 2035-06-16
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

International Patent Family for US Patent 10,226,595

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 2015195646 ⤷  Get Started Free
United States of America 2022062582 ⤷  Get Started Free
United States of America 2019201661 ⤷  Get Started Free
United States of America 2017021127 ⤷  Get Started Free
United States of America 11806483 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration

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