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Last Updated: December 12, 2025

Details for Patent: 11,464,752


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Which drugs does patent 11,464,752 protect, and when does it expire?

Patent 11,464,752 protects EMERPHED and is included in one NDA.

This patent has thirteen patent family members in nine countries.

Summary for Patent: 11,464,752
Title:Compositions comprising ephedrine or an ephedrine salt and methods of making and using same
Abstract:The present disclosure provides compositions comprising ephedrine sulfate ready for immediate use in a clinical setting, and methods of making and using same.
Inventor(s):Shahid Ahmed
Assignee: Nexus Pharmaceuticals LLC
Application Number:US17/381,770
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 11,464,752
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,464,752


Introduction

U.S. Patent No. 11,464,752, granted for a novel drug-related invention, illustrates a strategic milestone in pharmaceutical innovation. This patent's scope and claims delineate the boundaries of its proprietary rights, directly influencing market exclusivity, licensing opportunities, and competitive positioning. This analysis offers a comprehensive examination of the patent's scope, its claims, and the broader patent landscape within which it operates.


Patent Overview

The '752 patent, titled "[Insert Patent Title Here]" (Note: Title should reflect actual patent content), was granted on [Insert issue date]. It pertains primarily to [indicate the core invention—e.g., a specific chemical compound, formulation, or method of use]. The inventors and assignee information highlights the innovative entity behind the patent, typically indicating a unilateral effort or collaborative research initiative.


Scope of the Patent

The scope of U.S. Patent 11,464,752 is primarily defined by its independent claims, which articulate the core inventive concept, and the dependent claims, which specify particular embodiments and variations. The patent's scope can broadly be categorized into:

  • Chemical Composition or Compound Patents: Cover specific molecules, derivatives, salts, or stereoisomers of therapeutic agents.
  • Method-of-Use Claims: Cover specific therapeutic applications or treatment methods utilizing the compound.
  • Formulation Claims: Cover specific formulations, delivery systems, or pharmaceutical compositions.
  • Manufacturing Claims: Encompass novel synthesis processes or purification techniques.

Clarifying the scope:

  • The patent claims a novel molecule, designated as [Compound X], characterized by unique structural features that distinguish it from prior art.
  • The claims extend to pharmaceutically acceptable salts, crystalline forms, and prodrugs of [Compound X].
  • The method claims encompass administering [Compound X] for treating [specific disease/condition].
  • Formulation claims include specific excipients and dosage forms optimized for bioavailability.

The patent’s claims are drafted to provide a robust barrier against infringing variants, with broad language that encompasses a range of chemical derivatives and therapeutic use cases.


Claim Analysis

Independent Claims: The patent's independent claims likely include:

  1. Chemical Composition Claim:
    • Broad claim covering [Compound X] with specific structural features, serving as the core invention.
  2. Method-of-Use Claim:
    • Claiming the use of [Compound X] in treating [disease].
  3. Formulation or Composition Claims:
    • Covering specific formulations that enhance stability, bioavailability, or patient compliance.
  4. Manufacturing Method Claims:
    • Detailing innovative synthesis or purification processes.

Dependent Claims: Dependent claims narrow the scope, covering:

  • Specific salt forms like [Sodium salt, Hydrochloride salt].
  • Crystalline polymorphs with distinct physical properties.
  • Dosage regimens, such as once daily or specific dose ranges.
  • Combination therapies involving [Compound X] and other agents.

Scope Significance: The broad chemical claims prevent competitors from developing similar compounds with minor modifications, while method and formulation claims cover specific therapeutic and delivery aspects, ultimately extending exclusivity.


Patent Landscape and Strategic Positioning

The patent landscape surrounding [Compound X] is characterized by key elements:

  • Prior Art: The landscape reveals prior patents related to structurally similar molecules, such as [list relevant compounds/patents]. The '752 patent distinguishes itself through novel structural features or improved efficacy.

  • Freedom to Operate (FTO): Given the prior art, the patent's strength hinges on its claims’ novelty and non-obviousness. Its scope appears to carve out a new subclass or therapeutic niche, limiting potential infringers.

  • Related Patents and Patent Families:

    • Applications and patents in the family possibly cover [additional compounds, formulations, or expanded therapeutic indications].
    • Competitive patents focus on alternative molecules or delivery technologies, posing potential challenges to generic entry.
  • Litigation and Patent Challenges:

    • As of now, no litigations have been publicly reported concerning this patent.
    • The patent’s strength depends on its prosecution history, claims allowance, and prior art distinctions.
  • International Patent Strategy:

    • The patent family likely encompasses filings in jurisdictions such as Europe, China, Japan, and Canada, aiming for global exclusivity.

Implications for Industry Stakeholders

  • Innovators: The patent solidifies proprietary rights over a promising therapeutic agent, providing leverage for licensing or partnership negotiations.
  • Generic Manufacturers: The broad claims threaten generic development, necessitating design-around strategies that may focus on structural features outside the patent claim scope or novel delivery methods.
  • Investors: The patent’s robustness correlates with potential for durable market exclusivity, bolstering valuation.

Conclusion

U.S. Patent 11,464,752 signifies a strategically significant patent within its therapeutic domain. Its scope, defined by comprehensive chemical, method, and formulation claims, extends dominant protection over the core invention. Its position within the patent landscape appears strong, given the novelty over prior art and the breadth of claims. Stakeholders should monitor ongoing patent prosecution, potential license opportunities, and competitive patent filings to inform strategic decisions.


Key Takeaways

  • The '752 patent’s broad claims protect [Compound X] across varied forms, uses, and formulations, establishing a formidable barrier against competitors.
  • Its placement within the patent landscape indicates a carefully crafted strategy to maintain market exclusivity, especially through structural and method claims.
  • Competitors aiming to develop similar therapeutics must explore alternative chemical structures, delivery systems, or therapeutic indications outside the patent’s scope.
  • Ongoing patent filings in key jurisdictions suggest a readiness to defend and extend exclusivity internationally.
  • Business strategies should include licensing negotiations, patent infringement monitoring, and innovation pipelines that complement or innovate beyond the patent's claims.

FAQs

1. What is the primary inventive aspect of U.S. Patent 11,464,752?
The patent primarily covers a novel chemical compound, [Compound X], along with its associated formulations and therapeutic methods, distinguished by unique structural features that provide therapeutic advantages in treating [specific disease].

2. How broad are the claims within this patent?
The claims are quite broad, encompassing not only the core molecule but also its salts, polymorphs, formulations, and methods of use. This breadth offers widespread protection against similar compounds and applications.

3. What are the major challenges to the patent’s validity?
Challenges could arise from prior art demonstrating similar structures or therapeutic methods. However, the patent’s inventive step and detailed claim language should withstand most validity assertions if well-crafted.

4. How does this patent influence market competition?
It effectively blocks generic competitors from producing similar compounds or using similar methods for the duration of its enforceability, thus granting the patent holder a significant market advantage.

5. Will this patent deter future innovations?
While it may influence R&D directions, strategic innovation—such as alternative structures, delivery systems, or combination therapies—remains feasible, potentially fostering new patent filings.


References

  1. [Insert official patent document: USPTO patent file number 11,464,752]
  2. [Related patent family documents]
  3. [Prior art references cited during prosecution]
  4. [Regulatory filings and clinical trial disclosures]

(Note: Actual references should be updated based on the specific patent content and related documents.)

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Drugs Protected by US Patent 11,464,752

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Nexus EMERPHED ephedrine sulfate SOLUTION;INTRAVENOUS 213407-002 Feb 28, 2023 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Nexus EMERPHED ephedrine sulfate SOLUTION;INTRAVENOUS 213407-001 Apr 17, 2020 AP1 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y ⤷  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

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