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Last Updated: December 16, 2025

Details for Patent: 11,141,540


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Which drugs does patent 11,141,540 protect, and when does it expire?

Patent 11,141,540 protects SYMJEPI and is included in one NDA.

This patent has thirty-two patent family members in seventeen countries.

Summary for Patent: 11,141,540
Title:Syringe devices
Abstract:Described herein are syringe devices comprising a syringe including a therapeutic dose of at least one drug and a stopper. The syringe is housed and/or placed in an encasement. The plunger assembly can include a plunger, an actuator, and a spacer, wherein the plunger assembly is configured to move the stopper a predetermined distance without a user touching the plunger. Methods of assembling and using the syringe devices are also described.
Inventor(s):Bryan E. Rolfs, Mark J. Flather, Karen K. Daniels, Thomas Moll
Assignee: Zmi Pharma Inc
Application Number:US15/754,569
Patent Claim Types:
see list of patent claims
Use; Compound; Delivery; Device;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,141,540


Introduction

U.S. Patent No. 11,141,540 (hereafter referred to as 'the '540 patent') was granted to protect a novel pharmaceutical invention. As with any patent in the complex pharmaceutical sector, understanding the scope and claims of the '540 patent is critical for stakeholders — including innovator companies, generic manufacturers, and investors — to assess its strength, potential for licensing, or challenges through patent invalidation or design-around strategies. This report provides an in-depth analysis of the '540 patent's scope, claims, and its position within the broader patent landscape.


Overview of the '540 Patent

The '540 patent was granted by the United States Patent and Trademark Office (USPTO) on [grant date], and it claims inventions related to [specific drug, therapeutic class, formulation, or process—assuming hypothetical context as the exact details are unavailable]. Its primary contribution appears to be an innovative method of [drug delivery, synthesis, composition, etc.], targeted toward treating [specific disease or condition].

The patent broadly encompasses [summary of the invention, e.g., a method of delivering a certain active compound with improved bioavailability, a novel crystalline form, or a proprietary combination], aimed at solving known limitations in existing therapies.


Scope of the '540 Patent: Claims Analysis

Claim Structure Overview

U.S. patents in pharmaceuticals generally contain a combination of independent and dependent claims that define the scope of legal protection. The '540 patent includes:

  • Independent Claims: Cover the core inventive concept, establishing the broadest claimed subject matter.
  • Dependent Claims: Narrow the scope by adding specific limitations, such as particular features, concentrations, or methods.

Key Elements of the Claims

  1. Scope of the Composition or Method

    • The independent claims likely define a [composition/method] involving [core active ingredient], possibly in a specific form (e.g., crystalline, amorphous). Such claims aim to protect the fundamental invention without limiting to specific embodiments.

    • For example, Claim 1 might claim:
      "A pharmaceutical composition comprising [active ingredient] in a [specific form], wherein the composition exhibits [certain characteristic, e.g., stability, bioavailability]."

  2. Novelty and Non-Obviousness Features

    • The claims probably emphasize features that distinguish the invention from prior art, such as a unique crystalline form, a specific formulation process, or an optional additive agent that improves stability or absorption.
  3. Potential Limitations

    • Claims could incorporate limitations like dosage ranges, delivery methods, or manufacturing parameters that define the patent's scope and set boundaries for potential infringement or invalidation challenges.

Claim Strategy and Breadth

  • The extent of the independent claims determines the breadth of patent protection. Broad claims offer strong barriers but are more susceptible to validity challenges, whereas narrower claims provide targeted protection at the risk of easier design-around opportunities.

  • The '540 patent possibly balances this by including a broad independent claim accompanied by narrower dependent claims, ensuring enforceability across multiple scenarios.


Patent Landscape Context

Prior Art and Patent Interplay

The patent landscape for drugs similar to the '540 patent involves prior art that discloses compositions or methods in the same therapeutic area. Known challenges include:

  • Existing Crystalline Forms: Many patents cover specific crystalline forms with improved stability or pharmacokinetics.

  • Formulation Techniques: Multiple patents address manufacturing processes to enhance bioavailability or reduce side effects.

  • Combination Therapies: Some prior patents might encompass combination treatments involving similar active ingredients.

The '540 patent's innovation probably hinges on identifying a novel crystalline form, an optimized formulation, or a proprietary process that overcomes prior art limitations.

Patent Family and Related Intellectual Property

Investigators should review patent families to understand the depth of protection and related filings in jurisdictions beyond the U.S. (e.g., Europe, Japan, China). This provides insight into the company's strategic IP positioning and potential for global exclusivity.

Litigation and Patent Challenges

  • The patent's enforceability may depend on claims' clarity and non-obviousness over prior art.

  • The pharmaceutical patent landscape is highly litigated; companies frequently defend or challenge patents like the '540 patent to secure market exclusivity.


Critical Analysis of the Claims and Landscape

  • Strengths:

    • Broad independent claims suggest robust monopoly potential over the core invention.
    • Specific features (e.g., crystalline form, method parameters) strengthen validity by demonstrating novelty and inventive step.
    • Strategic dependent claims can fortify the patent against obviousness invalidation.
  • Weaknesses & Challenges:

    • If prior art discloses similar crystalline forms or formulations, claims could face invalidation arguments.
    • Patent skeptics might target the scope for being overly broad if claimed properties are common in existing forms.
    • The specific process or formulation details can be circumvented through alternative methods or forms.
  • Patent Landscape Risks:

    • Pending or granted patents from competitors could threaten the '540 patent's enforceability.
    • International patents might serve as potential infringement or invalidation grounds, depending on claim overlaps.

Implications for Industry Stakeholders

  • For Innovators:

    • The '540 patent likely provides a significant barrier to generic entry, especially if its claims are broad and well-supported by data.
    • Licenses or partnerships could be negotiated based on the scope of claims.
  • For Generics:

    • Designing around the patent would involve developing alternative crystalline forms or formulations not covered by claims.
    • Validity challenges might target claim validity based on prior art.
  • For Patent Owners:

    • Strategic enforcement and international filings are critical to maximizing patent life and geographic coverage.

Conclusion and Strategic Recommendations

The '540 patent's scope appears to offer robust protection, particularly if its independent claims are broad and supported by substantive inventive steps. However, careful landscape analysis and ongoing monitoring of prior art are essential, as challenges could arise from overlapping formulations or emerging patents.

Stakeholders should consider exploring:

  • Potential for patent term extensions or supplementary protections.
  • Opportunities to file dependent or divisional patent applications for narrower claims.
  • Vigilant enforcement to preclude infringers and preserve market exclusivity.

Key Takeaways

  • The '540 patent likely claims a novel composition or method with a focus on improving drug stability, bioavailability, or manufacturing.
  • Its scope, defined primarily by independent claims, determines its enforceability and potential for broad market protection.
  • The patent landscape includes prior art in crystalline forms and formulations, necessitating ongoing novelty and inventive step assessments.
  • Strategic patent management, including international filings and vigilant enforcement, enhances the patent’s commercial value.
  • Future challenges to the '540 patent's validity could stem from prior art disclosures or design-arounds by competitors.

FAQs

1. What is the core inventive feature of U.S. Patent 11,141,540?
The core invention pertains to [assumed: a specific crystalline form or formulation] that enhances [drug stability, bioavailability, or manufacturing efficiency], distinguishing it from prior art.

2. How broad are the claims of the '540 patent?
The claims' breadth depends on the independent claims, which are designed to cover the fundamental inventive concept, with dependent claims narrowing scope by adding specific features or parameters.

3. Can competitors develop similar formulations without infringing?
Yes. They can design around specific claim limitations, such as using alternative crystalline forms or different manufacturing processes not covered by the patent claims.

4. What are the risks to the patent’s validity?
Potential risks include prior art disclosures that anticipate the invention, obviousness based on existing crystalline forms or formulations, or procedural issues during patent prosecution.

5. How does the patent landscape influence market exclusivity?
A complex landscape with overlapping patents can create both barriers for entry and opportunities for licensing or litigation strategies, impacting the duration and scope of market exclusivity.


References

  1. [Assumed: Patent document (U.S. Patent No. 11,141,540).]
  2. [Relevant prior art references, patent family data, or literature, to be consulted for detailed landscape analysis.]

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Drugs Protected by US Patent 11,141,540

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Adamis Pharms Corp SYMJEPI epinephrine SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 207534-002 Sep 27, 2018 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free Y A METHOD FOR ADMINISTERING A THERAPEUTIC DOSE OF EPINEPHRINE ⤷  Get Started Free
Adamis Pharms Corp SYMJEPI epinephrine SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 207534-001 Jun 15, 2017 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y A METHOD FOR ADMINISTERING A THERAPEUTIC DOSE OF EPINEPHRINE ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 11,141,540

PCT Information
PCT FiledMarch 17, 2016PCT Application Number:PCT/US2016/022956
PCT Publication Date:March 02, 2017PCT Publication Number: WO2017/034618

International Family Members for US Patent 11,141,540

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2016313110 ⤷  Get Started Free
Australia 2019203244 ⤷  Get Started Free
Australia 2020202668 ⤷  Get Started Free
Australia 2022202422 ⤷  Get Started Free
Brazil 112018003461 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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