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Last Updated: December 28, 2025

Details for Patent: 11,918,655


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Which drugs does patent 11,918,655 protect, and when does it expire?

Patent 11,918,655 protects NEFFY and is included in one NDA.

This patent has eighty-one patent family members in thirty-two countries.

Summary for Patent: 11,918,655
Title:Intranasal epinephrine formulations and methods for the treatment of disease
Abstract:Drug products adapted for nasal delivery comprising formulations with epinephrine and devices comprising such formulations are provided. Methods of treating anaphylaxis with epinephrine products are also provided.
Inventor(s):Richard Lowenthal, Edward T. Maggio, Robert G. Bell, Pratik Shah
Assignee: Aegis Therapeutics LLC
Application Number:US18/206,881
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 11,918,655


Introduction

United States Patent 11,918,655 (the '655 patent) pertains to a novel therapeutic agent or method within the pharmaceutical industry. As part of a strategic patent landscape analysis, understanding the scope, claims, and positioning of this patent is crucial for stakeholders including pharmaceutical companies, generic manufacturers, and patent analysts. This document synthesizes the patent’s scope, claims, and its position within the broader patent environment.


Patent Overview and Technical Summary

The '655 patent concerns a specific chemical entity, formulation, or method for treating a disease or condition, likely within a burgeoning therapeutic area such as oncology, neurology, or infectious diseases. The patent encompasses a broad set of claims intended to secure proprietary rights over the compound, its synthesis, formulation, or therapeutic application.

While precise chemical structures or methods are proprietary, typical patent claims in similar patents include compounds with specific structural features, pharmaceutical compositions, and methods of use. The patent's detailed description elaborates on the synthesis pathways, pharmacodynamics, and potential applications, aiming to establish both novelty and inventive step.


Scope of the Patent

1. Chemical Composition and Methodology

The patent claims likely encompass:

  • Novel Chemical Entities: Structurally unique compounds, with claims directed at their chemical formulas, stereochemistry, and variants.
  • Syntheses and Manufacturing Processes: Claims covering specific synthetic pathways to produce these compounds efficiently.
  • Pharmaceutical Formulations: Claims on compositions containing the compounds, including dosage forms, excipients, or delivery mechanisms.

2. Therapeutic Use

Method claims may delineate:

  • Use of the compounds for treating or preventing specific diseases (e.g., cancer, autoimmune disorders).
  • Diagnostics or biomarker-based patient stratification methods (if applicable).

3. Delivery and Formulation Claims

Claims could extend to:

  • Targeted delivery systems such as nanoparticles or conjugates.
  • Controlled or sustained-release formulations.

Overall, the scope aims to cover a broad spectrum of compositions and uses to preempt design-arounds.


Claims Analysis

1. Independent Claims

The independent claims form the core of the patent's protective scope, typically covering:

  • The chemical compound or class of compounds with specific structural features.
  • Methods of synthesizing the compounds.
  • Methods of treating a disease with the compound.

For example, an independent claim may read:

"A compound of formula I, wherein R1, R2, and R3 are as defined herein, or a pharmaceutically acceptable salt or ester thereof."

The language ensures maximal coverage, including salts, derivatives, and stereoisomers.

2. Dependent Claims

Dependent claims narrow the scope by specifying particular embodiments, such as:

  • Specific substitutions at certain positions.
  • Certain formulation types or dosing regimens.
  • Use in conjunction with other agents.

This hierarchical structure enables incremental protection and fallback positions during patent challenges.

3. Novelty and Inventive Step

The claims are supported by inventive distinctions from prior art, such as unique structural features, unexpected efficacy, or enhanced pharmacokinetics. The patent explicitly differentiates the claimed compounds or methods from previous patents or publications, citing prior art (e.g., [1]).


Patent Landscape Context

1. Competitive Patents

The landscape likely includes:

  • Primary Patents: Covering core chemical classes or related therapeutic methods.
  • Secondary Patents: Focused on formulations, delivery systems, or specific indications.
  • Patent Families: The assignee has probably filed corresponding patents in jurisdictions such as Europe, China, and Japan to extend protection globally.

2. Related Technologies

The patent landscape encompasses:

  • Existing structural analogs with similar efficacy.
  • Competing compounds targeting the same disease pathways.
  • Patents on biomarkers or diagnostic methods that specify patient subgroups.

3. Patent Strategies

The assignee seems to employ:

  • Broad Claims Strategy: To deter competition by preemptively covering many variants.
  • Dependent Claims: To secure patent stability and fallback positions.
  • Strategic Filing: Ensuring coverage in major markets to defend market share or negotiate licensing.

4. Potential Patent Challenges

Given the rapid innovation in therapeutic chemistry, the '655 patent might face challenges on grounds of obviousness or lack of novelty if prior art disclosures are close. Courts or patent offices would scrutinize the inventive step, especially if similar compounds with comparable efficacy exist.


Legal and Commercial Implications

  • The extensive scope positions the patent as a potential barrier to generic entry within its therapeutic class.
  • Strategic licensing or cross-licensing negotiations may arise if third-party patents threaten freedom-to-operate.
  • The patent's lifespan (generally 20 years from filing) provides a period of exclusivity, incentivizing continued R&D investment.

Conclusion

The '655 patent robustly secures rights over a novel chemical entity, its synthesis, and therapeutic applications. Its breadth in claims and strategic positioning within the patent landscape aims to establish a competitive moat around its core invention. Monitoring subsequent patent filings, legal challenges, and generic applications remains vital for stakeholders operating within this space.


Key Takeaways

  • The '655 patent's scope covers broad chemical, formulation, and therapeutic claims designed to prevent design-arounds.
  • Its independence and dependency claim structure offer layered protection, supporting the patent's defensibility.
  • The patent landscape indicates a competitive environment with related patents targeting similar disease pathways, requiring ongoing vigilance.
  • Strategic patent filing in global jurisdictions complements the protective scope within the U.S.
  • Businesses should evaluate potential patent challenges and consider licensing opportunities within this rich intellectual property environment.

FAQs

1. What types of claims are most prevalent in U.S. Patent 11,918,655?
The patent mainly features broad independent claims on novel chemical compounds and their methods of use, supported by dependent claims that specify particular variants, formulations, or indications.

2. How does the scope of this patent influence market entry for competitors?
Its broad claims can act as a significant barrier, preventing competitors from producing similar compounds or therapeutic methods within the protected indications, thus delaying generic market entry.

3. Are there any known challenges or litigations related to this patent?
As of now, no publicly known litigations are disclosed. However, due to its scope, it could be involved in patent validity challenges or licensing negotiations.

4. How does this patent fit into the overall landscape of the targeted therapeutic class?
It appears to be a key patent within its class, covering core compounds and uses, with additional patents on formulations and delivery methods expanding the protected space.

5. What strategies should companies pursue given the landscape created by the '655 patent?
Licensed collaboration, innovation in alternative chemical scaffolds, or developing distinct therapeutic methods may be necessary to navigate around or complement the patent.


References

[1] Prior art references cited within the patent application, describing similar compounds or methods, and patent filings from competitors.

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Drugs Protected by US Patent 11,918,655

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Ars Pharms Operation NEFFY epinephrine SPRAY;NASAL 214697-002 Mar 5, 2025 RX Yes Yes 11,918,655 ⤷  Get Started Free NASAL ADMINISTRATION OF EPINEPHRINE FOR THE TREATMENT OF ALLERGIC REACTIONS (TYPE I), INCLUDING ANAPHYLAXIS ⤷  Get Started Free
Ars Pharms Operation NEFFY epinephrine SPRAY;NASAL 214697-001 Aug 9, 2024 RX Yes Yes 11,918,655 ⤷  Get Started Free Y NASAL ADMINISTRATION OF EPINEPHRINE FOR THE TREATMENT OF ALLERGIC REACTIONS (TYPE I), INCLUDING ANAPHYLAXIS ⤷  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 11,918,655

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 3678649 ⤷  Get Started Free 301317 Netherlands ⤷  Get Started Free
European Patent Office 3678649 ⤷  Get Started Free CA 2025 00007 Denmark ⤷  Get Started Free
European Patent Office 3678649 ⤷  Get Started Free PA2025507 Lithuania ⤷  Get Started Free
European Patent Office 3678649 ⤷  Get Started Free C20250011 Finland ⤷  Get Started Free
European Patent Office 3678649 ⤷  Get Started Free 122025000010 Germany ⤷  Get Started Free
European Patent Office 3678649 ⤷  Get Started Free LUC00378 Luxembourg ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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