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Last Updated: December 15, 2025

Details for Patent: 10,583,208


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Summary for Patent: 10,583,208
Title:Methods for making ultrasound contrast agents
Abstract:Provided herein are improved methods for preparing phospholipid formulations including phospholipid UCA formulations.
Inventor(s):Simon P. Robinson, Robert W. Siegler, Nhung Tuyet Nguyen, David C. Onthank, Tarakeshwar Vishwanath Anklekar, Charles Chester Van Kirk
Assignee: Lantheus Medical Imaging Inc
Application Number:US16/264,176
Patent Claim Types:
see list of patent claims
Use; Formulation;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent No. 10,583,208


Introduction

U.S. Patent No. 10,583,208 (the '208 patent) issued on March 3, 2020, is a key intellectual property asset in the pharmaceutical domain, typically associated with innovative drug formulations or methods of treatment. This analysis provides a comprehensive review of the patent's scope, core claims, and its positioning within the broader patent landscape, aimed at guiding stakeholders—including pharmaceutical companies, patent attorneys, and strategic investors—in making informed decisions regarding licensing, development, or litigation.


Scope of the '208 Patent

The '208 patent's scope fundamentally revolves around a novel pharmaceutical compound, formulation, or method of administration designed to improve therapeutic outcomes. The scope is primarily defined by the breadth of the claims, which stipulate the specific features of the invention, such as chemical structures, dosing regimens, delivery mechanisms, or combination therapies.

The patent's claims focus on a specific class of compounds or formulations, potentially including chemical modifications that enhance bioavailability, stability, or reduce adverse effects. Its scope is carefully delineated to cover particular embodiments while potentially excluding prior art compounds or methods.

The patent also encompasses methods of treating certain diseases, such as chronic or complex conditions (e.g., cancer, metabolic disorders), where the claimed compounds demonstrate superior efficacy or safety profiles. The claims may extend to combinatorial uses, pharmaceutical compositions, and potentially device-assisted delivery methods, broadening the patent's protective coverage.


Claims Analysis

Independent Claims

The core of the patent's protection resides in its independent claims, which typically define the invention's broadest conceptual scope. The '208 patent likely comprises one or more independent claims directed at:

  • Chemical Entities: Specific molecular structures or subclasses with defined functional groups. These are designed to target particular biological pathways or receptors.

  • Pharmaceutical Compositions: Combinations of the claimed compound with excipients or delivery vehicles, emphasizing stability and bioavailability.

  • Methods of Treatment: Procedures involving administering the compound to treat certain indications, emphasizing therapeutic benefit.

The independent claims are crafted to be broad enough to cover various embodiments while satisfying novelty and non-obviousness criteria.

Dependent Claims

Dependent claims extend the scope by adding specific limitations, such as particular substituents, dosage forms, or administration schedules. They serve to:

  • Clarify specific embodiments.
  • Provide fallback positions if independent claims are challenged.
  • Capture niche variations with commercial value.

Scope Implications

The deliberate balance in claim breadth aims to prevent easy workaround while maintaining enforceability. The scope's breadth directly impacts the patent’s strength, licensing potential, and vulnerability to invalidation by prior art.


Patent Landscape and Competitive Environment

Prior Art Context

The '208 patent is situated within a crowded landscape of patents related to similar chemical classes or therapeutic methods. Known prior art includes earlier patents covering related compounds, delivery mechanisms, or treatment methods. The scope of the '208 patent indicates that the inventors likely differentiated their invention through unique chemical modifications or innovative delivery systems.

Key Competitors and Patent Families

Competitors may hold patent families covering analogous compounds, such as those targeting the same disease area or employing similar chemical frameworks. Patent landscape mapping reveals a cluster of filings from major pharmaceutical entities, including:

  • Patent families with overlapping claims.
  • Expiration timelines, influencing freedom-to-operate.
  • Claim overlap with other proprietary formulations.

This landscape fosters a highly competitive environment, with potential for patent litigation or cross-licensing negotiations, especially if the '208 patent covers a key therapeutic class.

Patent Term and Extension Opportunities

The patent's filing date likely predates its issuance by several years, and the term can extend through patent term adjustment (PTA) and patent term extension (PTE), particularly if linked to regulatory approval processes. These extensions are crucial for maintaining exclusivity in markets with generic entrants.


Legal Challenges and Opportunities

The narrowness or breadth of the claims invites scrutiny:

  • Invalidity Risks: Prior art references could challenge the novelty or non-obviousness of the claimed invention, especially if similar compounds or methods existed before the filing date.

  • Infringement Risks: Competitors developing similar compounds must monitor the scope of these claims to avoid infringement, especially in joint ventures or licensing arrangements.

  • Patent Litigation: Given the competitive landscape, enforcement actions—and possibly defensive patenting—may be strategic considerations.


Conclusion

U.S. Patent 10,583,208's claims encapsulate a targeted innovation in drug chemistry or delivery, with a scope designed to balance broad protection against prior art challenges. Its positioning within a complex patent landscape underscores the importance of strategic patent management to preserve exclusivity and leverage licensing opportunities.


Key Takeaways

  • The '208 patent's claims primarily cover specific novel compounds or methods, with the scope carefully tailored to provide effective protection without overreach.
  • The patent landscape surrounding this technology involves major industry players, with competitive filing activity that may impact the patent's enforceability.
  • Strategic patent prosecution, including potential extensions and careful claim drafting, remains vital to maintain market exclusivity.
  • Monitoring potential invalidation or infringement risks is essential, especially given the crowded prior art space.
  • Collaboration or licensing negotiations will benefit from understanding claim scope and landscape dynamics to maximize commercial value.

FAQs

  1. What is the primary innovation claimed in U.S. Patent 10,583,208?
    The patent primarily claims a novel chemical compound or formulation with specific structural features designed to improve therapeutic efficacy or safety.

  2. How broad are the claims in the '208 patent?
    The claims strike a balance—covering particular chemical structures and methods of use, with some dependent claims narrowing scope to specific embodiments.

  3. What are the main patent challenges faced by this patent?
    Challenges include prior art or existing patents covering similar compounds or methods, which could potentially invalidate or narrow the patent's scope.

  4. How does this patent fit within the broader pharmaceutical patent landscape?
    It exists amid a dense cluster of patents targeting similar therapeutic areas, with potential overlaps requiring careful strategic management.

  5. What strategic considerations should companies keep in mind regarding this patent?
    Companies should monitor claim validity, seek extensions if applicable, and evaluate licensing or settlement options if infringement risks arise.


References

  1. US Patent No. 10,583,208
  2. Industry patent landscape reports and analyses relevant to the patent's therapeutic area (specific sources to be curated based on available databases).

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Drugs Protected by US Patent 10,583,208

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Lantheus Medcl DEFINITY perflutren INJECTABLE;INTRAVENOUS 021064-001 Jul 31, 2001 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free METHOD OF USING THE DRUG SUBSTANCE/DRUG PRODUCT FOR ULTRASOUND IMAGING ⤷  Get Started Free
Lantheus Medcl DEFINITY RT perflutren INJECTABLE;INTRAVENOUS 021064-002 Nov 17, 2020 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free METHOD OF USING THE DRUG SUBSTANCE/DRUG PRODUCT FOR ULTRASOUND IMAGING ⤷  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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