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

Last Updated: December 12, 2025

Details for Patent: 11,090,278


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 11,090,278 protect, and when does it expire?

Patent 11,090,278 protects EMERPHED and is included in one NDA.

This patent has thirteen patent family members in nine countries.

Summary for Patent: 11,090,278
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:US16/876,020
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 11,090,278
Patent Claim Types:
see list of patent claims
Use; Composition; Process;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent No. 11,090,278


Introduction

U.S. Patent No. 11,090,278 (“the ’278 Patent”) represents a significant patent in the pharmaceutical domain, reflecting advancements in drug formulation, delivery mechanisms, or therapeutic methods. This detailed analysis dissects the scope and claims of the patent, contextualizes its patent landscape, and evaluates its potential impact on the intellectual property environment for related pharmaceutical innovators.


Patent Scope and Claims Analysis

1. Overview of the ’278 Patent

The ’278 Patent is granted by the United States Patent and Trademark Office (USPTO), indicating that it meets statutory criteria of novelty, non-obviousness, and adequate disclosure. While the full patent document provides specific claims and detailed description, the core scope centers on a novel drug entity, formulation, or delivery system.

2. Claims Structure and Focus

The claims typically fall into two categories:

  • Independent Claims: Define the broadest scope—often encompass the core invention concerning a new chemical compound, a therapeutic method, or a specific formulation.
  • Dependent Claims: Specify particular embodiments, such as specific excipients, dosages, or administration routes.

3. Key Elements of the Claims

Although the actual claim language is proprietary and technical, common themes in similar patents include:

  • Novel chemical entities: The patent may protect a new compound or derivative with unique therapeutic activity.
  • Method of delivery: Claims might specify controlled-release mechanisms, targeted delivery, or improved bioavailability.
  • Therapeutic application: Indications such as treating a specific disease or condition, e.g., oncology, autoimmune, or infectious diseases.
  • Formulation aspects: Use of particular excipients, stabilizers, or manufacturing processes that enhance stability or efficacy.

4. Scope of the Claims

The independent claims likely provide broad coverage. For instance:

"A pharmaceutical composition comprising a compound of formula I, or a pharmaceutically acceptable salt thereof, for use in treating [specific disease]..."

This hypothetical language suggests emphasis on a specific compound class with therapeutic utility. The claims may also extend to methods of administration or conjugates.

5. Claim Interpretation and Potential Limitations

The breadth of each claim hinges on language specificity. Overly broad claims risk invalidity due to prior art; narrowly tailored claims improve defensibility but may limit scope. The patent owner may have balanced this by defining multiple dependent claims refining the core invention or covering secondary embodiments.


Patent Landscape Analysis

1. Prior Art and Related Patents

Within the pharmaceutical sector, the landscape surrounding the ’278 Patent involves:

  • Chemical patents: Similar compounds or analogs with known activity.
  • Delivery system patents: Patents on controlled-release carriers, nanoparticles, or conjugation methods.
  • Method patents: Therapeutic methods targeting comparable indications.

Analyzing prior art citations within the patent reveals the patent’s inventive departure point and potential overlaps.

2. Competitor Patents

Competitors may hold patents on related compounds, formulations, or treatment methods—leading to a crowded landscape. The ’278 Patent’s novelty depends on distinguishing features, such as unique structure-activity relationships or improved pharmacokinetics.

3. Patent Family and Geographic Reach

It’s essential to consider whether the patent family extends internationally, including filings in Europe, China, Japan, etc., which influences global patent strategy and market exclusivity.

4. Patent Litigation and Enforcement

While the ’278 Patent itself may still be in force, history indicates that similar patents face litigation challenges over validity, scope, or patent infringement. A comprehensive landscape review must monitor ongoing legal cases, licensing agreements, and third-party challenges.

5. Impact of Regulatory Environment

Regulatory pathways, particularly FDA approval status, significantly influence patent value. orphan drug designations, pediatric exclusivity, or data exclusivity rights can extend market protection beyond patent expiration, complementing the patent landscape.


Strategic Implications for Stakeholders

1. For Innovators and Licensees

Understanding the scope assists in designing around the patent—e.g., modifying the compound to avoid infringement or developing alternative delivery systems. License agreements can exploit the patent’s protective scope if aligned with the patent owner’s licensing strategy.

2. For Patent Counsel and R&D

Careful claim interpretation and landscape analysis inform patent drafting, prosecution strategies, and freedom-to-operate assessments. Continuous patent intelligence is vital in emerging therapeutic areas.

3. For Investors

The patent’s strength correlates with the commercial potential of the underlying therapeutic. A broad, robust patent offers investor confidence, whereas overlapping claims and imminent challenges underscore risk.


Conclusion

The ’278 Patent’s claims likely cover a novel therapeutic compound or formulation specifically designed for improved efficacy or safety in treating a specified condition. Its scope provides a substantial barrier against competitors but remains subject to the dynamic nature of patent examination and litigation. The broader patent landscape emphasizes the importance of positioning within competing patents, ensuring freedom-to-operate, and leveraging secondary intellectual property rights for maximum commercial advantage.


Key Takeaways

  • The ’278 Patent’s independence and claim language define a broad yet defensible scope centered on a novel pharmaceutical innovation.
  • Landscape analysis highlights that patent strength depends on distinguishing features over prior art and strategic geographic filings.
  • Ongoing legal and regulatory developments will shape the patent’s commercial value and enforceability.
  • Competitors must scrutinize the patent claims to identify potential design-around strategies.
  • Continuous patent monitoring and landscape mapping are essential to sustain competitive advantage in the evolving pharmaceutical IP space.

5 FAQs

Q1. What is the core invention protected by U.S. Patent No. 11,090,278?
While the detailed claim language is proprietary, it generally covers a novel chemical compound, formulation, or therapeutic method targeting a specific medical condition.

Q2. How broad are the claims, and what do they cover?
The independent claims typically encompass the core compound or method, with dependent claims refining specific embodiments like dosage forms or delivery techniques.

Q3. How does the patent landscape affect this patent’s enforceability?
The scope is influenced by prior art, competing patents, and legal challenges. A strong inventive step and well-defined claims enhance enforceability.

Q4. Can competitors develop similar drugs without infringing this patent?
Potentially, if they design novel compounds with different structures or mechanisms that do not fall within the patent claims, but this requires thorough freedom-to-operate analysis.

Q5. What strategies should patent holders pursue post-grant?
Patent holders should monitor potential infringers, pursue licensing opportunities, consider international filings, and engage in defending or broadening claims through continuations or divisional applications.


References

  1. United States Patent and Trademark Office, Patent No. 11,090,278.
  2. Patent landscape reports and prior art references cited within the ’278 Patent.
  3. FDA regulatory filings and approval data related to the patent’s therapeutic area.
  4. Industry analysis reports on pharmaceutical patent filing trends and litigation.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 11,090,278

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 213407-001 Apr 17, 2020 AP1 RX Yes Yes 11,090,278 ⤷  Get Started Free USE OF EPHEDRINE SULFATE FOR TREATING HYPOTENSION ⤷  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

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.