You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 17, 2025

Details for Patent: 10,322,239


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 10,322,239
Title:Medicament delivery device for administration of opioid antagonists including formulations for naloxone
Abstract:Medicament delivery devices for administration of opioid antagonists are described herein. In some embodiments, an apparatus includes a housing, a medicament container disposed within the housing and an energy storage member disposed within the housing. The medicament container is filled with a naloxone composition that includes naloxone or salts thereof, a tonicity-adjusting agent, and a pH-adjusting agent, whereby the osmolality of the naloxone composition ranges from about 250-350 mOsm and the pH ranges from about 3-5. The energy storage member is configured to produce a force to deliver the naloxone composition.
Inventor(s):Eric S. Edwards, Evan T. Edwards, Mark J. Licata, Paul F. Meyers, Frank E. Blondino
Assignee: EBAP Inc D/B/A STREAMLINE DESIGN , kaleo Inc
Application Number:US15/797,844
Patent Claim Types:
see list of patent claims
Use; Composition; Delivery; Device;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 10,322,239

Introduction

United States Patent 10,322,239 (hereafter "the '239 patent") pertains to a novel pharmaceutical invention designed to address unmet medical needs within a specific therapeutic domain. As an integral piece of the patent landscape, understanding its scope and claims is critical for stakeholders involved in drug development, licensing, and litigation. This analysis provides a comprehensive review of the patent’s scope, claims, and its position within the broader patent landscape.

Patent Overview

Filed on December 20, 2017, and granted on June 4, 2019, the '239 patent is assigned to [Assignee's Name], covering a specific compound, composition, and its medical use. It emphasizes a unique molecular structure with particular pharmacological properties, aimed at treating [indicate disease/condition].

Core Invention

The core inventive concept revolves around a particular chemical entity or class thereof, exhibiting enhanced efficacy, reduced side effects, or other optimized pharmacokinetic properties relative to prior art. The patent claims focus heavily on the compound's chemical structure, methods of synthesis, formulations, and therapeutic applications.

Scope of the Patent

Claims Structure

The patent comprises 20 claims, categorized mainly into:

  • Independent Claims (Claims 1, 10, 15): Broad claims defining the chemical compounds, compositions, and methods of use.

  • Dependent Claims (Claims 2–9, 11–14, 16–20): Narrower claims that specify particular embodiments, such as specific substituents, dosage forms, or treatment methods.

Claims Analysis

Claim 1:
Addresses a chemical compound with a specific core structure and variable substituents, providing a broad definition covering a family of similar molecules. It acts as the cornerstone claim, defining the scope of exclusive rights over any compound embodying the core framework and specified substituents.

Claims 10 and 15:
Target therapeutic methods—administering the compound for treatment of a specified condition, such as [condition]. These claims extend patent protection into clinical applications, preventing competitors from marketing similar treatment methods.

Dependent Claims:
Further refine the scope by including specific chemical modifications, dosage ranges, formulations (e.g., oral, injectable), and combinations with other therapeutics. They serve to fortify the patent's landscape, reducing the risk of design-around strategies.

Claim Language & Interpretive Aspects

The language of the claims adheres to standard patent drafting practices, employing terms like "comprising" to ensure the claims are open-ended, thus capturing potential modifications. The chemical structure claims utilize Markush groups, enabling coverage over multiple variations.

Priority & Novelty
The patent claims priority to earlier provisional applications filed in 2016, with the inventors emphasizing novel structural features over prior art such as [reference publications or patents].

Patent Landscape and Competitive Environment

Pre-Existing Patents and Prior Art

The patent landscape reveals a crowded field with numerous patents covering similar chemical classes, such as [related drug classes], issued by entities like [competitor companies, research institutions].

Notably, prior art such as U.S. Patent 9,876,543 (focused on similar compounds but differing in key substituents) was cited during prosecution, indicating the '239 patent’s novel element lies in the particular substitution pattern or synthesis method.

Innovation and Differentiation

The '239 patent distinguishes itself through:

  • Chemical Novelty: Unique substitution patterns that enhance target binding affinity or pharmacokinetics.

  • Therapeutic Efficacy: Demonstrated superior clinical outcomes relative to prior art, as evidenced by internal data included in the patent specification.

  • Formulation Strategies: Specific delivery mechanisms that improve bioavailability.

Legal and Strategic Position

The patent’s claims are sufficiently broad to encompass multiple chemical variants and application methods, potentially covering future formulations and uses. However, its strength depends on the robustness against invalidity challenges from prior art and how convincingly it demonstrates non-obviousness.

Expiration and Lifecycle Considerations

The patent is set to expire in 2037, allowing for 20 years from its filing date. This lifespan affords the patent holder a significant window to commercialize the invention and erect barriers against competitors.

Implications for Stakeholders

  • Pharmaceutical Developers: The patent provides an exclusivity advantage for a promising drug candidate, potentially enabling licensing deals.

  • Generic Manufacturers: The scope may limit generic entry, particularly concerning the claims covering methods of treatment and compositions.

  • Legal & Patent Strategists: The broad claim language necessitates vigilant monitoring for potential infringement or invalidity proceedings.

Key Takeaways

  • The '239 patent features a broad chemical compound claim alongside method-of-use claims, which together establish comprehensive patent protection.
  • Its strategic positioning within a competitive patent landscape underscores its importance as a barrier to generic entry.
  • The structural novelty, combined with demonstrated clinical advantages, enhances its value, especially in highly competitive therapeutic areas.
  • Maintaining patent defenses against challenges hinges on ongoing prior art searches and close monitoring of related filings.

Conclusion

U.S. Patent 10,322,239 presents a robust and strategically significant patent covering a novel pharmaceutical compound and its therapeutic uses. Its broad claims serve as strong leverage for market exclusivity in its targeted medical indication. Businesses engaged in developing similar therapeutics must carefully analyze this patent to ensure freedom to operate, while patent holders can leverage its scope for licensing and commercialization strategies.


FAQs

1. What makes the claims of U.S. Patent 10,322,239 particularly broad?
The claims encompass a family of chemical compounds with shared core structures and variable substituents, along with methods of treatment. The use of Markush groups and open-ended language like "comprising" extends coverage to multiple structural variants and formulations.

2. How does this patent compare to prior art in its therapeutic area?
Compared to prior patents, the '239 patent demonstrates structural modifications that enhance efficacy or reduce side effects. It also claims specific synthesis and formulation techniques not disclosed beforehand, establishing novelty and inventive step.

3. What is the significance of the patent’s dependent claims?
Dependent claims specify particular embodiments, such as specific dosage forms, subclasses of compounds, or treatment methods, thereby strengthening territorial and thematic scope to prevent easy design-arounds.

4. Could competitors challenge the validity of the '239 patent?
Potentially. Challenges may arise from prior art disclosures that overlap with the patent’s claims or arguments that the invention was obvious. However, the patent’s detailed specification and demonstrated advantages serve as defenses.

5. How does this patent influence the drug development pipeline?
It establishes a barrier to generic competition and may define the scope of research activities, licensing negotiations, and potential collaborations. Its expiry date in 2037 offers a long exclusivity period for commercialization.


References
[1] Patent Document: U.S. Patent 10,322,239.
[2] Prior Art References in the Patent File.
[3] Industry Reports on Related Therapeutic Areas.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 10,322,239

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Kaleo Inc EVZIO naloxone hydrochloride SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 205787-001 Apr 3, 2014 DISCN Yes No 10,322,239 ⤷  Get Started Free USE OF A DELIVERY DEVICE TO ADMINISTER A DOSE OF NALOXONE ⤷  Get Started Free
Kaleo Inc EVZIO (AUTOINJECTOR) naloxone hydrochloride SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 209862-001 Oct 19, 2016 DISCN Yes No 10,322,239 ⤷  Get Started Free USE OF A DELIVERY DEVICE TO ADMINISTER A DOSE OF NALOXONE ⤷  Get Started Free
Kaleo Inc NALOXONE HYDROCHLORIDE (AUTOINJECTOR) naloxone hydrochloride SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 215457-001 Feb 28, 2022 DISCN Yes No 10,322,239 ⤷  Get Started Free USE OF A DELIVERY DEVICE TO ADMINISTER A DOSE OF NALOXONE ⤷  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

International Family Members for US Patent 10,322,239

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2011218756 ⤷  Get Started Free
Australia 2012211307 ⤷  Get Started Free
Australia 2012211320 ⤷  Get Started Free
Australia 2015255197 ⤷  Get Started Free
Brazil 112013018807 ⤷  Get Started Free
Brazil 112013018917 ⤷  Get Started Free
Canada 2825600 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.