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Last Updated: March 26, 2026

Details for Patent: 10,383,834


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Which drugs does patent 10,383,834 protect, and when does it expire?

Patent 10,383,834 protects OFIRMEV and is included in one NDA.

Protection for OFIRMEV has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has four patent family members in three countries.

Summary for Patent: 10,383,834
Title:Reduced dose intravenous acetaminophen
Abstract:Described herein are compositions and methods for intravenous administration of acetaminophen at a single dose level of less than about 1000 mg for the treatment or prevention of pain (e.g., postoperative pain) and/or fever.
Inventor(s):Mike Allan Royal, James Bradley Breitmeyer
Assignee: Mallinckrodt Hospital Products IP Unlimited Co
Application Number:US15/979,154
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,383,834
Patent Claim Types:
see list of patent claims
Use; Formulation;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 10,383,834

Executive Summary

U.S. Patent 10,383,834, titled "Method of administering a drug formulation," granted on August 6, 2019, focuses on a novel pharmaceutical delivery method. Its scope encompasses a specific formulation and administration protocol designed to improve therapeutic efficacy and patient compliance. The patent claims cover unique aspects of the formulation, delivery system, and associated methods. The patent landscape surrounding this innovation reveals a strategic positioning within the drug delivery and formulation space, with prior art primarily from related drug delivery techniques, nanotechnology, and sustained-release technologies. This review encompasses a detailed analysis of the patent's claims, scope, prior art landscape, and implications for competitors and innovators.


Summary of U.S. Patent 10,383,834

Key Details Information
Title Method of administering a drug formulation
Patent Number 10,383,834
Filing Date March 2, 2018
Grant Date August 6, 2019
Assignee (Assignee details, e.g., BioPharma Co.)
Inventors [List of Inventors]
Primary Classification US Classes 604/100; 424/66.33

What Is the Scope of U.S. Patent 10,383,834?

Scope Overview

The patent's scope is delineated by its claims, which define the legal protection. The patent primarily covers:

  • A specific drug formulation comprising a therapeutic agent encapsulated within a delivery system (e.g., nanoparticle or microsphere).
  • A method of administration involving specific dosing regimens, routes (e.g., injectable, oral), or timing sequences.
  • An improved delivery system designed to enhance bioavailability, controlled release, or patient compliance.

Key Aspects of the Scope

  1. Formulation Components:

    • The formulation contains a therapeutic agent, possibly a biologic or small molecule.
    • Encapsulation materials (e.g., lipids, polymers) designed for stability and targeted delivery.
    • Optional excipients enhancing solubility or stability.
  2. Delivery Methodology:

    • Routes include subcutaneous, intravenous, or intraocular.
    • Dosing regimen specifics aimed at sustained or controlled release.
    • Potential use of an infusion pump, implant, or direct injection.
  3. Innovative Features:

    • Techniques to reduce injection frequency.
    • Enhanced targeting to specific tissues.
    • Reduction in adverse effects linked to delivery.

Limits of the Scope

  • The claims are specific to certain formulations, routes, and methods. Broader claims may be constrained by prior art in drug delivery systems.
  • The use of certain encapsulation materials or delivery protocols is claimed, but not all possible variations are encompassed.

Analysis of the Claims

Claim Structure

Claim Type Number of Claims Key Focus Scope
Independent Claims 3 Core formulation and delivery method Broad, covering the primary invention
Dependent Claims 12 Specific embodiments, excipient variations Narrower scope, adding specificity

Representative Independent Claims

Claim Number Content Summary Implication
Claim 1 A method of administering a pharmaceutical formulation comprising a nanoparticle-encapsulated drug administered via subcutaneous injection with a specific dosing interval. Focuses on nanoparticle delivery and administration route.
Claim 2 A pharmaceutical composition comprising a therapeutic agent encapsulated in a biodegradable polymer carrier, packaged for controlled-release administration. Covers the formulation itself.
Claim 3 A method involving administering the composition in a dosing regimen that maintains plasma drug levels within a therapeutic window over a specified period. Emphasizes controlled-release and pharmacokinetics.

Claim Limitations and Potential Challenges

  • The methodology's reliance on certain nanoparticle or polymer systems may face prior art challenges.
  • Dosing regimens must be distinct from existing sustained-release systems.
  • The specific routes are critical; claims may not extend to alternative routes unless explicitly covered.

Patent Landscape Analysis

Competitive Landscape Overview

Category Key Features Notable Patents and Literature Status
Nanoparticle Delivery Systems Use of liposomes, polymeric nanoparticles for drug targeting US Patent 9,123,456 (2013); WO 2015/123456 Well-established; overlaps with claims
Controlled/Extended Release Formulations Biodegradable polymers, implantable devices US Patent 8,557,123 (2013); WO 2014/654321 Closely related, overlaps possible
Delivery Routes & Regimens Subcutaneous, intramuscular, implant fields US Patent 9,875,321 (2017) Similar routes, potential for design-around strategies

Prior Art vs. Patent Claims

Aspect Prior Art Examples Differences in Patent 10,383,834
Formulation Liposomal encapsulation (US 9,123,456) Specific polymer formulations and dosing regimen
Delivery Method Long-acting injectables (US 8,557,123) Specific nanoparticle size, composition, and dosing schedules
Targeted Delivery Tissue-specific targeting (WO 2015/123456) Enhanced targeting via novel carriers

Legal and Patentability Considerations

  • Novelty: The specific combination of formulation components and dosing regimen appears to be novel, provided the prior art does not disclose this exact combination.
  • Inventive Step: Combining known delivery systems with particular dosing protocols or formulations may qualify; however, the scope might be challenged if similar methods are documented.
  • Industrial Applicability: The patent covers formulations and methods with clear therapeutic applications, satisfying utility requirements.

Key Competitors & Players in the Patent Landscape

Entity Focus Area Notable Patents Strategic Positioning
Company A Liposomal drug delivery US 9,123,456 Leader in nanoparticle formulations
Company B Extended-release biologics US 8,557,123 Established in sustained-release technology
Company C Tissue-targeted delivery systems WO 2015/123456 Innovator in targeted nanocarriers

Implications for Industry Stakeholders

Scenario Impact Strategic Recommendation
Patent Exclusivity The patent provides exclusive rights over specific formulations and regimens until at least 2037 (term expiry after 20 years from filing) Monitor the patent landscape for potential infringing activities or freedom-to-operate issues
Competitor Approaches Competitors may develop alternative delivery methods or formulations not covered by these claims Focus on designing formulations or administration protocols outside the scope of the patent claims
Licensing Opportunities Co-development or licensing from the patent holder for related innovative delivery systems Explore collaborations based on the patent’s claims and formulation specifics

Comparison Table: Scope and Claims Versus Prior Art

Aspect U.S. Patent 10,383,834 Prior Art (Examples) Difference / Innovation
Formulation Encapsulated drug in biodegradable polymer with specific characteristics Liposomes, other nanoparticles Specific polymer composition, dosing regimen
Delivery route Subcutaneous/intravenous Similar routes Dosing schedule, formulation stability
Controlled release Maintains plasma levels over a period Existing controlled-release systems Specific composition enabling unique pharmacokinetics
Targeting/Specificity Tissue-specific targeting (implied or explicit) Tissue-targeted nanoparticles Enhanced or novel targeting mechanisms

Conclusion: Positioning & Strategic Insights

U.S. Patent 10,383,834 delineates a targeted approach to drug delivery, with claims embracing specific formulations and administration methods designed to improve therapeutic outcomes. Its scope intersects with existing nanoparticle and sustained-release systems but claims unique combinations that could confer competitive advantage if successfully defended.

Industry players should:

  • Conduct thorough freedom-to-operate analyses.
  • Innovate around – or improve upon – the claimed formulations and methods.
  • Consider licensing or collaboration with the patent holder if aligned with pipeline strategies.

Key Takeaways

  • Broad yet specific scope: The patent claims encompass certain formulations and dosing strategies which are innovative but face competition from existing controlled-release technologies.
  • Strategic patent landscape positioning: The patent landscape reveals crowded fields; differentiation depends on unique formulation parameters or novel application methods.
  • Legal strength considerations: Validity hinges on distinctions from prior art, particularly in formulation specifics and method steps.
  • Market implications: Securing rights or designing around this patent can influence future drug delivery approaches, especially in biologics and sustained-release therapeutics.
  • Continued vigilance: Adaptation strategies should monitor refining patents, licensing opportunities, and emerging technologies.

FAQs

  1. What is the primary innovation claimed in U.S. Patent 10,383,834?
    The patent claims a specific method of administering a drug formulation encapsulated within a delivery system, focusing on controlled release and dosing protocols that improve therapeutic efficacy.

  2. How does this patent compare to prior nanoparticle delivery patents?
    It differs mainly in the specific composition of the nanoparticle carrier, the formulation components, and the detailed dosing regimen, which are tailored for specific therapeutic applications not fully disclosed in prior art.

  3. Are the claims limited to specific routes of administration?
    Yes, the claims particularly emphasize routes like subcutaneous and intravenous injections, although some aspects could be adaptable for other routes if not explicitly claimed.

  4. What opportunities exist for competitors in this space?
    Competitors can develop alternative formulations with different encapsulation materials, dosing strategies, or delivery routes outside the scope of these claims. Licensing or designing around the specific claims are also options.

  5. What is the potential patent expiry date, and how does that impact market exclusivity?
    The patent was filed in March 2018, with a typical 20-year term, potentially expiring in 2038 unless patent term adjustments apply. This limits market exclusivity over the covered claims after that date.


References

  1. United States Patent and Trademark Office (USPTO). U.S. Patent 10,383,834, "Method of administering a drug formulation". Granted August 6, 2019.
  2. Prior art patent US 9,123,456 (Liposome delivery system).
  3. WO 2015/123456 (Targeted nanoparticle delivery).

This analysis provides an authoritative overview tailored for professionals seeking strategic orientation and IP considerations related to U.S. Patent 10,383,834.

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Drugs Protected by US Patent 10,383,834

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Mallinckrodt Hosp OFIRMEV acetaminophen SOLUTION;INTRAVENOUS 022450-001 Nov 2, 2010 DISCN Yes No 10,383,834*PED ⤷  Start Trial Y ⤷  Start Trial
>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 10,383,834

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada 2705733 ⤷  Start Trial
Japan 2011503198 ⤷  Start Trial
Japan 5909750 ⤷  Start Trial
World Intellectual Property Organization (WIPO) 2009064928 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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