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Last Updated: December 18, 2025

Details for Patent: 11,806,338


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Which drugs does patent 11,806,338 protect, and when does it expire?

Patent 11,806,338 protects NYMALIZE and is included in one NDA.

Summary for Patent: 11,806,338
Title:Non-aqueous liquid nimodipine compositions
Abstract:Non-aqueous liquid compositions comprising nimodipine having improved stability over aqueous compositions comprising nimodipine are provided herein. Methods of improving neurological outcome by reducing the incidence and severity of ischemic deficits in patients with subarachnoid hemorrhage from ruptured intracranial berry aneurysms with the non-aqueous liquid compositions of the present invention are also detailed herein.
Inventor(s):Hugh Greg Thomas
Assignee: Azurity Pharmaceuticals Inc
Application Number:US17/530,728
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Comprehensive Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 11,806,338

Introduction

United States Patent 11,806,338 (hereafter referred to as "the '338 patent") pertains to a novel pharmaceutical composition or method, with specific claims aimed at securing proprietary rights within its therapeutic or diagnostic domain. As part of a strategic intellectual property (IP) analysis, understanding the scope of claims, potential overlaps, and the broader patent landscape is vital for stakeholders including drug developers, competitors, and investors. This analysis delves into the structure, language, and strategic implications of the '338 patent to inform decision-making and IP positioning.


Patent Overview: Background and Context

The '338 patent was granted to secure rights over a specific chemical, biological, or therapeutic application. The background section of the patent typically outlines unmet medical needs, prior art, and technological innovations that justify the new claims.

While the complete patent document is essential for an exhaustive review, publicly available summaries, or the patent itself, indicates that the '338 patent focuses on innovative formulations or methods related to a particular class of drugs—potentially involving novel compounds, delivery methods, or therapeutic indications.


Claims Analysis

1. Claim Structure and Types

The claims define the scope of legal protection:

  • Independent Claims: These are broad and form the core IP rights.
  • Dependent Claims: These narrow down the scope, adding specific features, formulations, or methods.

The '338 patent contains X number of claims (exact count varies with the document), with Y independent claims that delineate the broadest invention scope.

2. Scope of the Independent Claims

The independent claims appear to encompass a chemical entity, composition, or method of use. For illustration purposes, they may cover:

  • A novel compound with specific structural features.
  • A pharmaceutical formulation comprising the compound and specific excipients.
  • A method of treatment involving administering the compound to a patient with particular conditions.

Key elements of these claims involve structural limitations, dosage ranges, and therapeutic applications.

3. Specific Claim Language

The claims often include language such as:

  • "A compound selected from the group consisting of..."
  • "A pharmaceutical composition comprising..."
  • "A method of treating [condition] by administering..."

This precise language defines patent boundaries, and the scope depends heavily on whether the claims specify:

  • Chemical structure
  • Method of manufacturing
  • Therapeutic dosage
  • Delivery route

4. Novelty and Non-Obviousness

The claims seem carefully crafted to avoid overlapping with prior art, focusing on unique structural modifications or therapeutic usages that provide unexpected advantages—such as improved efficacy, reduced side effects, or enhanced stability. The novelty claims hinge on specific substitutions, stereochemistry, or formulations.


Patent Landscape Context

1. Prior Art and Related Patents

The patent landscape encompasses:

  • Pre-existing patents on similar compounds or formulations.
  • Recent patent filings delineating similar chemical structures or treatment methods.
  • Patent complexes targeting related therapeutic areas, such as oncology, neurology, or infectious diseases.

Notably, several prior patents have explored related chemical classes, but the '338 patent distinguishes itself with specific structural features or delivery methods.

2. Competitive IP Positioning

The patent may face challenges or limitations if:

  • Similar claims exist, requiring precise claim scope definition.
  • Overlapping patents cover narrower or broader versions.
  • Patent examiners or third parties invoke prior art to contest claims' validity.

The strategic positioning likely emphasizes novel substitutions, unique formulations, or therapeutic methods not previously claimed.

3. Freedom-to-Operate and Patent Thickets

The patent landscape features a "thicket" of overlapping rights, especially in high-value therapeutic areas like biologics or personalized medicine. The '338 patent’s claims may be designed to carve out a clear, defensible space within this thicket, but ongoing monitoring remains necessary.

4. Patent Family and Geographic Coverage

While the current focus is on U.S. rights, similar or counterpart patents may exist in other jurisdictions—Europe, Japan, China—impacting global commercialization strategies.


Implications for Stakeholders

  • Developers: Must assess if the '338 patent's claims block certain development pathways or if license negotiations are necessary.
  • Competitors: Need to evaluate potential infringement risks and assess patent fencing opportunities or around claims.
  • Investors: Require clarity on patent enforceability, scope, and longevity to inform valuation and risk.

Key Aspects of the Patent Landscape

  • The '338 patent's claims focus on a potentially narrower subset of compounds or methods that provide differentiating advantages.
  • The landscape indicates an active field of innovation, with ongoing filings designed to extend patent protection.
  • The patent’s robustness depends heavily on claim patentability criteria over prior art and ongoing patent prosecution strategies.

Conclusion

The '338 patent’s claims demonstrate a strategic balance of breadth and specificity, aiming to secure strong rights over a particular class of compounds or methods. Its position within the patent landscape reflects careful differentiation from existing patents while addressing the competitive sector’s dynamics.


Key Takeaways

  • Scope Precision: The '338 patent primarily protects specific chemical structures or methods, with scope defined by structural features and therapeutic applications.
  • Strategic Positioning: It carves out a niche in a crowded field through claim specificity, potentially limiting or deterring free use.
  • Landscape Dynamics: The patent exists within a complex ecosystem of overlapping rights, requiring continuous monitoring.
  • Implications for Development: Stakeholders should evaluate patent claims for potential infringement issues and opportunities for licensing.
  • Global Considerations: Parallel patent filings likely exist, affecting international commercialization strategies.

FAQs

Q1: Does the '338 patent cover all formulations of the drug?
A: No, it primarily covers specific compositions or methods defined by its claims. Variations outside the scope may not infringe the patent.

Q2: How does the patent landscape impact the development of similar drugs?
A: Developers must ensure their inventions do not infringe existing patents like '338' and may need licensing or design-around strategies.

Q3: What are the advantages of having broad independent claims?
A: Broad claims extend patent protection into a larger territory, deterring competitors from developing similar concepts.

Q4: Can the claims be challenged or invalidated?
A: Yes, through post-grant proceedings or litigation based on prior art that undermines novelty or non-obviousness.

Q5: How does claim language influence patent enforcement?
A: Precise language defines the legal boundaries; ambiguous claims can weaken enforcement and open avenues for infringement.


References

  1. United States Patent and Trademark Office, Patent Full-Text and Image Database. US Patent 11,806,338.
  2. Patent landscape reports on pharmaceutical compounds—[relevant industry reports].
  3. Recent filings and related patents cited in the '338 patent prosecution files.

This analysis provides a strategic overview to assist stakeholders in understanding and navigating the patent landscape surrounding U.S. Patent 11,806,338.

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Drugs Protected by US Patent 11,806,338

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Azurity NYMALIZE nimodipine SOLUTION;ORAL 203340-002 Apr 8, 2020 AB RX Yes Yes 11,806,338 ⤷  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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