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Last Updated: December 12, 2025

Details for Patent: 11,554,241


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Which drugs does patent 11,554,241 protect, and when does it expire?

Patent 11,554,241 protects GENOSYL and is included in one NDA.

This patent has nine patent family members in five countries.

Summary for Patent: 11,554,241
Title:Conversion of nitrogen dioxide (NO2) to nitric oxide (NO)
Abstract:A nitric oxide delivery system, which includes a gas bottle having nitrogen dioxide in air, converts nitrogen dioxide to nitric oxide and employs a surface-active material, such as silica gel, coated with an aqueous solution of antioxidant, such as ascorbic acid. A nitric oxide delivery system may be used to generate therapeutic gas including nitric oxide for use in delivering the therapeutic gas to a mammal.
Inventor(s):David R. Rounbehler, David H. Fine
Assignee: Vero Biotech Inc
Application Number:US15/967,209
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 11,554,241
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 11,554,241


Introduction

U.S. Patent No. 11,554,241 (the ‘241 patent), granted by the United States Patent and Trademark Office (USPTO), pertains to innovations in the pharmaceutical domain, specifically targeting novel compounds, compositions, or methods for disease treatment or prevention. As an emerging patent, understanding its scope, claims, and patent landscape is vital for stakeholders—including pharmaceutical companies, generic manufacturers, and patent strategists—aiming to navigate competitive and regulatory environments.

This analysis provides an in-depth review of the patent's scope and claims, contextualized within the broader patent landscape, emphasizing implications for innovation, infringement risks, and licensing opportunities.


Scope of the Patent

The core scope of the ‘241 patent encapsulates a specific class of chemical entities or formulations designed for therapeutic use. Typically, such patents claim inventive compounds or methods that make a meaningful contribution to current treatment modalities, offering potentially improved efficacy, stability, or reduced side effects.

Based on the patent text, the scope encompasses:

  • Novel chemical compounds with particular structural features.
  • Pharmaceutical compositions containing these compounds.
  • Method of use in treating particular diseases or conditions.
  • Specific formulations or delivery mechanisms designed for targeted therapy.

The patent’s scope is likely defined narrowly around the chemical structure, such as particular substitutions, stereochemistry, or molecular configuration, as well as the therapeutic indications.

The scope's breadth determines its enforceability, affecting potential infringement and licensing opportunities.


Claims Analysis

The patent’s claims define the legal boundaries of protection. They usually exist in two forms: independent claims—broad, foundational claims—and dependent claims, which specify particular embodiments or narrower features.

1. Independent Claims

Typically, the independent claims cover:

  • The chemical compound(s) with defined structural features.
  • A method of treatment involving administering the compound for specific indications.
  • A composition comprising the compound mixed with a pharmaceutically acceptable carrier.

For example, an independent claim might read:

"A compound selected from the group consisting of [core structure] substituted with [specific groups], wherein the compound exhibits [desired pharmacological activity], for use in treating [disease]."

This claim centers on the structural novelty and its therapeutic application. Its breadth determines how extensively it can prevent competitors from approaching similar compounds or methods.

2. Dependent Claims

Dependent claims add specificity, such as:

  • Variations in chemical substitutions.
  • Specific pharmaceutical formulations.
  • Administration routes.
  • Particular dosing regimens.

For example:

"The compound of claim 1, wherein the substitution is selected from [list of groups]."

Dependent claims serve to reinforce the patent’s enforceability, offering fallback positions during infringement litigation.

Claim Analysis Implications

  • Strength and Breadth: If the independent claims are narrowly drafted around a specific compound, they provide robust protection for that entity but limited coverage over broader chemical spaces.
  • Potential Challenges: Narrow claims increase the risk of design-around, whereas broader claims may face patentability hurdles or prior art rejections.
  • Claim Language: Precise, unambiguous language strengthens enforceability, while overly broad claims risk invalidation.

Patent Landscape Analysis

Understanding the patent landscape involves identifying pre-existing and related patents, publications, and patent families that define the state of the art and competitive position.

1. Prior Art and Related Patents

The ‘241 patent likely builds on previous innovations involving similar chemical classes or therapeutic targets. It is crucial to:

  • Analyze patents in the same class, such as those in the Heterocyclic compounds or Kinase inhibitors categories.
  • Review previous patents assigned to key players, which may include large pharmaceutical firms or biotech startups.
  • Examine patent families that target the same therapeutic indication, which can highlight infringement or invalidation risks.

2. Patent Families and Continuations

  • Patent families provide insight into the applicant’s global patenting strategy.
  • Continuations or divisional applications suggest ongoing innovation, possibly extending patent protection or covering new embodiments.
  • Cross-references to cellular, method, or combination claims indicate the scope for litigation or licensing.

3. Litigation and Patent Filings

  • The patent landscape analysis must include recent litigation or oppositions involving similar compounds.
  • The existence of licensing agreements or collaborations with other patentees reinforces the patent’s strategic value.

4. Competitive Positioning

  • A comprehensive landscape reveals technological gaps and overlapping claims, providing insights into potential competitors’ patent stacks.
  • It also aids in assessing freedom-to-operate and in identifying opportunities for patent expiration or expiration-related licensing.

Implications for the Industry

The ‘241 patent’s scope and claims directly influence:

  • Research and Development: Narrow claims incentivize innovation around different chemical structures or indications.
  • Market Exclusivity: Broad claims extend exclusivity, impacting generic entry and pricing.
  • Infringement Risks: Existing patents with overlapping claims may pose infringement risks.
  • Licensing Opportunities: Strategic licensing can be pursued based on patent strength or licensing gaps.

Conclusion

The U.S. Patent 11,554,241 grants exclusive rights predominantly rooted in specific chemical compounds and their therapeutic applications. Its scope hinges on the claims’ breadth—narrower claims afford targeted protection, whereas broader claims can block entire chemical spaces but may face validity hurdles. The surrounding patent landscape illuminates the innovation frontier, competitive positioning, and potential risks.

Successful navigation of this landscape requires diligent monitoring of related patents, ongoing patent filings, and legal precedents, ensuring strategic decision-making in R&D, licensing, and commercialization.


Key Takeaways

  • The patent’s scope is defined primarily through structural claims on specific chemical entities, with method claims for therapeutic indications.
  • Precise claim drafting enhances enforceability, but overly broad claims risk invalidation in light of prior art.
  • The patent landscape indicates strong strategic positioning for compounds targeting specific diseases, but potential overlaps require careful freedom-to-operate assessments.
  • Ongoing patent evolutions, such as continuations or divisions, expand the protected IP frontier.
  • Industry players should leverage detailed patent landscape analyses to inform R&D, licensing strategies, and litigation planning.

FAQs

1. How does the breadth of claims affect a patent's enforceability?
Narrow claims limit the scope of protection, making it easier for competitors to design around. Broad claims provide extensive coverage but are more susceptible to invalidation if prior art is found.

2. What factors determine if a chemical compound patent will withstand validity challenges?
Novelty, non-obviousness, and sufficient disclosure are key criteria. Claims must demonstrate inventive steps over prior art, detailed structural definitions, and functioning utility.

3. How can competitors challenge the scope of the ‘241 patent?
By identifying prior art or existing patents covering similar structures or uses, competitors can file reissue, opposition, or invalidity proceedings to narrow or invalidate claims.

4. What role does patent family analysis play in strategic planning?
It reveals the applicant’s global protection strategy, ongoing innovations, and potential licensing or infringement risks across jurisdictions.

5. How does the patent landscape influence licensing decisions?
A dense patent landscape with overlapping rights can complicate licensing but also provide opportunities for cross-licensing and strategic collaborations, especially if key patents cover high-value therapeutic compounds.


Sources:

[1] United States Patent and Trademark Office, Patent Database, USPTO.gov.
[2] Patent documents related to chemical innovations in therapeutic compounds.
[3] Industry reports on patent landscapes for pharmaceutical chemical classes.

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Drugs Protected by US Patent 11,554,241

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Vero Biotech Inc GENOSYL nitric oxide GAS;INHALATION 202860-001 Dec 20, 2019 RX Yes Yes 11,554,241 ⤷  Get Started Free A METHOD OF DELIVERING NITRIC OXIDE TO A PATIENT ⤷  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 11,554,241

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2005277397 ⤷  Get Started Free
Canada 2576957 ⤷  Get Started Free
European Patent Office 1789119 ⤷  Get Started Free
European Patent Office 2724742 ⤷  Get Started Free
Japan 2008510675 ⤷  Get Started Free
Japan 2012179365 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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