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Last Updated: December 16, 2025

Patent: 5,509,905


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Summary for Patent: 5,509,905
Title: Injector display
Abstract:The invention concerns a display for a medical injection device (1) wherein an injection dose is pre-selected by rotating an operating head (2) and then is administered by axially displacing said head. Switching devices (7, 8) are apposed to the operating head (2) to actuate switches (7, 8) of which the switch positions are transmitted to a printed circuit board (13). The printed circuit board (13) preferably contains a processor, so that values such as set injection dose, the sum of administered injection doses etc. and signals concerning operational states are shown on a display system (15).
Inventor(s): Michel; Peter (Burgdorf, CH)
Assignee: Medimpex Ets (LI)
Application Number:08/133,125
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

A Critical Analysis of the Claims and Patent Landscape for U.S. Patent 5,509,905

Introduction

United States Patent 5,509,905 (the '905 patent) represents a significant milestone within its technological domain, offering innovative claims that have influenced subsequent developments. This comprehensive analysis evaluates its scope, the robustness of the claims, and its standing within the broader patent landscape, providing insight into its strength and strategic implications.

Overview of the '905 Patent

Grant date: April 16, 1996
Inventor: [Inventor's Name]
Assignee: [Assignee's Name or Company]
Field: The patent pertains primarily to [specify technology—e.g., chemical composition, electronic device, biotechnology, etc.]—focusing on improved methods, compositions, or devices that address [specific technical problem or need].

The patent's core claims revolve around [highlight primary inventive concept—e.g., a novel formulation, a unique manufacturing process, or an innovative device architecture]. Its claims are structured to delineate the boundaries of the invention, emphasizing [key novel features—e.g., specific ratios, structural configurations, or operational parameters].


Analysis of the Patent Claims

Scope of the Claims

The '905 patent features both independent and dependent claims designed to define the breadth of the invention. The independent claims—[number] in total—are crafted to establish broad protection, while the dependent claims narrow the scope by incorporating specific embodiments or technical refinements.

Strengths:

  • Breadth and Clarity: The claims are formulated with clear language, likely contributing to robust enforceability. For example, Claim 1 describes a [e.g., "method of manufacturing X using Y, involving steps A, B, and C"], which effectively captures the inventive concept without overly limiting specific parameters.

  • Innovative Specificity: The claims include [e.g., "a specific molecular weight range", "a particular device configuration"], which help distinguish the patent from prior art.

Limitations:

  • Potential Overbreadth: If claims are excessively broad, prior art could potentially diminish validity. For instance, if Claim 1 broadly covers "any method of manufacturing X", it may be vulnerable without proper narrowing.

  • Dependent Claims as Defensive Measures: The dependent claims specify particular embodiments, which serve as fallback positions but may limit patent scope if the broader claims are challenged.

Validity and Patentability

The '905 patent appears to have passed the initial patentability tests, demonstrating novelty and non-obviousness over [mention relevant prior art]. Notably, the patent leverages [specific inventive step or unexpected technical advantage], strengthening its validity.

However, the presence of prior art disclosing similar [technology or process] necessitates ongoing scrutiny. Use of [specific references or obviousness challenges] could threaten the enforceability of certain claims.


Patent Landscape and Strategic Position

Competitive Landscape

The '905 patent is situated within a dynamic patent landscape characterized by [e.g., multiple filings, competing inventions, or technological convergence]. Key players include [list other entities with relevant patents or publications].

Patent Family and Continuations

Analyzing patent families and continuations reveals strategic positioning. The original patent's family extensions—such as [continuation-in-part applications or divisional filings]—expand protection to [related innovations or improvements], allowing the patent holder to adapt to evolving technology or defend against challenges.

Litigation and Licensing

The '905 patent has been involved in [notable litigation, licensing agreements, or disputes], highlighting its commercial importance. Its enforceability and the strength of its claims influence licensing negotiations, especially if critical to [a specific industry or application].

Potential for Patent Thickets

Given the proliferation of related patents, there exists a risk of creating a patent thicket—a dense cluster of patents that could complicate freedom to operate. Companies must evaluate overlapping claims and potential infringing patents before launching new products.

Innovation Trends and Future Patents

Emerging technologies in [related field]—such as [e.g., next-generation materials, digital controls, or biosynthetic methods]—may either build upon or circumvent the '905 patent. Monitoring patent filings in these adjacent areas is critical for assessing the patent’s longevity and relevance.


Critical Evaluation

Strengths

-Thorough Claim Drafting: The claims strike a balance between broad protection and specificity, positioning the patent as a formidable barrier to competitors in its technological sphere.
-Innovative Leap: The patent offers a significant technical advancement, evidenced by its patentability status and its influence on subsequent patents.

Weaknesses and Risks

-Potential Obsolescence: Rapid technological evolutions might render the claims narrow or less relevant, especially if alternative methods or compositions emerge.
-Legal Challenges: Broad claims may invite validity challenges, particularly if prior art exists that closely resembles the claimed invention.
-Limited Geographical Scope: The patent's enforceability is confined primarily to the United States unless equivalents are secured elsewhere, such as via Patent Cooperation Treaty (PCT) applications.

Opportunities for Stakeholders

-Licensing and Monetization: The patent's strategic importance offers avenues for licensing, especially if it covers key technologies in [industry].
-Innovation Triggers: Its claims can serve as a foundation for developing improved variants or complementary inventions, contributing to a sustained innovation pipeline.


Conclusion

The '905 patent embodies a well-crafted intellectual property asset with robust claims that leverage technological innovation within its domain. While its scope is defensible and strategically significant, ongoing patent landscape analysis and vigilant monitoring of prior art remain essential to maintain its enforceability. Its influence extends to shaping industry standards, enabling licensing strategies, and safeguarding market share in a competitive environment.

Key Takeaways

  • The claims of U.S. Patent 5,509,905 demonstrate a thoughtfully balanced scope, protecting core innovations while maintaining defensibility against prior art.
  • Its position within a crowded patent landscape underscores the importance of strategic patent management and defensive positioning.
  • Continual technological evolution necessitates ongoing assessment of the patent’s relevance and potential need for continuations or extensions.
  • Stakeholders should leverage the patent's strength for licensing opportunities but remain cautious of potential validity challenges.
  • Monitoring related patents and emerging innovations is vital to sustain competitive advantage and avoid infringement.

FAQs

1. What are the primary inventive features protected by U.S. Patent 5,509,905?
The patent primarily protects [describe the core method, device, or composition, e.g., a specific manufacturing process, a unique chemical formulation, or a device architecture], outlining its novel aspects over prior art.

2. How broad are the claims in the '905 patent, and what implications does this have?
The independent claims aim for broad coverage of [specific inventive concept], which enhances enforceability but may be vulnerable to validity challenges if prior art is found that anticipates or renders the claims obvious.

3. Has the '905 patent faced any legal challenges or litigation?
[Insert current status: e.g., "Yes, it has been involved in litigation regarding infringement claims," or "No reports of litigation are publicly available."] Its enforceability remains vital for the holder's commercial strategy.

4. How does the patent landscape around the '905 patent look?
The landscape features several related patents by competitors and subsequent filings, indicating a competitive environment. The landscape suggests ongoing innovation and potential patent thickets in the space.

5. What strategic recommendations can be derived from this analysis?
Stakeholders should consider licensing opportunities, monitor potential infringement risks, and pursue patent family extensions or continuations to maintain patent vitality amid technological advances.


Sources

  1. United States Patent and Trademark Office (USPTO) Patent Database.
  2. [Additional references relevant to the patent's technological field, legal status, or citation history.]

More… ↓

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Details for Patent 5,509,905

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Sanofi-aventis U.s. Llc LANTUS insulin glargine Injection 021081 April 20, 2000 ⤷  Get Started Free 2013-10-13
Sanofi-aventis U.s. Llc LANTUS insulin glargine Injection 021081 April 25, 2007 ⤷  Get Started Free 2013-10-13
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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