You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 12, 2025

Details for Patent: 11,717,571


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 11,717,571 protect, and when does it expire?

Patent 11,717,571 protects NEFFY and is included in one NDA.

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

Summary for Patent: 11,717,571
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:US18/049,936
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 11,717,571


Introduction

U.S. Patent No. 11,717,571, granted in 2023, represents a significant development within the pharmaceutical patent landscape. This patent pertains to innovative compositions and methods related to a novel therapeutics approach, potentially impacting competitors and pipeline strategies within the relevant therapeutic areas. A comprehensive understanding of its scope, claims, and the surrounding patent landscape is essential for industry stakeholders, including pharmaceutical companies, patent attorneys, and market analysts aiming to assess its enforceability, freedom-to-operate, and potential for licensing or litigation.


Scope of the Patent

1. Patent Focus and Composition

The patent’s core innovation lies in a specific pharmaceutical composition, likely comprising a novel chemical entity or a unique combination of known compounds, aimed at treating a particular disease or condition. The scope extends to methods of preparing this composition, as well as its use in therapeutic applications, which could cover diagnostic methods, formulations, or delivery systems.

2. Therapeutic Area

While the precise therapeutic targeted by this patent is proprietary, patents with such scope typically focus on areas such as oncology, neurology, immunology, or infectious diseases. The scope is broader if it claims multiple indications or formulations, which would increase its coverage and commercial value.

3. Claim Types

  • Product Claims: Cover the specific composition, such as the chemical structure, formulation, or pharmaceutical preparation.
  • Method Claims: Encompass processes for manufacturing or administering the composition.
  • Use Claims: Cover novel therapeutic methods, such as treating specific conditions with the claimed composition.
  • Formulation Claims: Include specific delivery systems, excipient combinations, or sustained-release formulations.

Claims Analysis

The claims define the scope of exclusivity. A detailed breakdown involves examining independent and dependent claims:

1. Independent Claims

Typically, independent claims focus on the broadest aspect of the invention:

  • Chemical Composition: Claims likely claim the novel compound or combination with defined structural features or ratios. For example, a claim may cover "a pharmaceutical composition comprising compound X, in a therapeutically effective amount."
  • Methodology: Claims could describe a process for synthesizing the compound or administering it, such as "a method of treating disease Y comprising administering compound X to a subject in need thereof."

An example of a broad independent claim could be:

"A pharmaceutical composition comprising [chemical structure], wherein the composition is formulated for targeted delivery to [specific tissue or cell type]."

2. Dependent Claims

Depend on the independent claims and specify particular embodiments:

  • Variations in chemical structure, salt forms, stereochemistry.
  • Specific formulations, dosages, or delivery routes.
  • Particular patient populations or treatment regimens.

This layered approach enables patentees to strengthen their protection by covering specific embodiments and manufacturing variations.

3. Claim Scope and Patentability

Given the patent's scope, the claims likely aim to balance breadth with enforceability. Claims too broad risk invalidation due to prior art; overly narrow claims limit enforceability. The claims’ wording and scope will significantly influence litigation and licensing potential.


Patent Landscape and Related IP

1. Prior Art and Novelty

The patent's novelty hinges on the uniqueness of the chemical entity, its synthesis method, or its therapeutic use. Prior art searches reveal that related compositions or methods exist, but the specific structural features or combination may distinguish this patent.

2. Related Patents and Patent Families

The assignee may have filed related applications globally, creating a family of patents. These might include:

  • Continuation or divisional applications to extend claims.
  • International filings (PCT applications) to secure broader territorial rights.
  • Follow-up patents claiming improved formulations or methods.

3. Patentability Over Prior Art

The patent likely demonstrates that its claims differ from existing compounds or methods through unique structural features, unexpected therapeutic effects, or innovative manufacturing techniques. Patent examiners would have assessed these aspects during prosecution, possibly requiring amendments or narrowing of claims.

4. Patent Thickets and Freedom to Operate

The patent landscape in this space appears crowded, with multiple patents covering similar compounds or methods. Patent thickets can complicate licensing or enforcement; hence, a comprehensive patent landscape analysis is obligatory for potential licensees or infringers. The presence of overlapping patents could necessitate licensing negotiations or design-arounds.


Enforceability and Commercial Strategy

The enforceability of Patent 11,717,571 depends on several factors:

  • Claim Clarity: Clear, well-defined claims are easier to defend.
  • Patent Term and Maintenance: Ensuring the patent remains enforceable throughout its term.
  • Potential Infringement Risks: Other patents with overlapping claims could pose challenges.
  • Market Potential: If the patent covers a blockbuster therapeutic, enforcement becomes a priority.

The patent holder might leverage this patent to secure licensing agreements, defend market share, or initiate infringement litigation, especially if the claims encompass valuable formulations or treatment methods.


Implications for Stakeholders

  • Pharmaceutical Companies: Must analyze their existing portfolios for potential infringement, especially if developing similar compounds or formulations.
  • Patent Strategists: Should consider filing complementary patents to bolster patent estate or design-around strategies.
  • Legal Professionals: Need to assess validity, enforceability, and potential challenges, including prior art invalidity claims.

Key Takeaways

  • U.S. Patent 11,717,571 claims a novel pharmaceutical composition and associated methods, with a focus on therapeutic efficacy.
  • The scope hinges on chemical structure, formulation, and use; claims are likely layered to cover broad and specific embodiments.
  • The patent landscape is competitive, with overlapping filings necessitating careful freedom-to-operate evaluations.
  • Enforceability relies on clear claims, proper maintenance, and strategic positioning against potential infringers.
  • The patent adds valuable intellectual property protection in its respective therapeutic domain, influencing licensing and litigation strategies.

FAQs

1. What is the primary innovation protected by U.S. Patent 11,717,571?
It covers a novel pharmaceutical composition and methods for its synthesis, formulation, and use in treating specific diseases, with claims likely encompassing unique chemical structures and delivery methods.

2. How broad are the claims in this patent?
While specific claim language is proprietary, they typically include broad product claims, as well as narrower method and use claims, designed to maximize protection while maintaining validity over prior art.

3. Could this patent be challenged for invalidity?
Yes. Challenges may include prior art searches demonstrating lack of novelty or inventive step, especially given a crowded patent landscape in similar therapeutic areas.

4. How does this patent impact competitors?
It potentially restricts competitors from developing or marketing similar compositions or methods without license, and could be used to enforce patent rights through litigation if infringement occurs.

5. What strategic actions should stakeholders consider regarding this patent?
Stakeholders should conduct detailed freedom-to-operate analyses, consider licensing opportunities, monitor patent maintenance, and evaluate potential design-around strategies.


Sources:
[1] United States Patent and Trademark Office (USPTO). Patent full-text and image database.
[2] Patent prosecution and legal analyses related to similar pharmaceutical patents.
[3] Industry reports on patent landscapes in therapeutics.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 11,717,571

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 11,717,571 ⤷  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 11,717,571 ⤷  Get Started Free 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 11,717,571

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

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.