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Last Updated: December 16, 2025

Details for Patent: 10,265,334


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Which drugs does patent 10,265,334 protect, and when does it expire?

Patent 10,265,334 protects ZELSUVMI and is included in one NDA.

This patent has eight patent family members in five countries.

Summary for Patent: 10,265,334
Title:Anhydrous compositions
Abstract:Provided herein are anhydrous compositions that include at least one viscosity increasing agent, at least one organic solvent and at least one humectant. Such compositions may also include at least one active pharmaceutical ingredient (API) and/or at least one water repellant. Related compositions, methods and kits are also provided.
Inventor(s):Ryan Doxey, Nathan Stasko
Assignee: Ligand Pharmaceuticals Inc
Application Number:US14/887,648
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 10,265,334


Introduction

U.S. Patent No. 10,265,334 (hereafter referred to as the '334 patent) represents a significant intellectual property asset within the pharmaceutical landscape. Filed by [Assignee], the patent broadly covers innovative aspects of a specific drug or treatment modality, providing enforceable rights within the United States. This analysis dissects the scope and claims of the patent and explores its positioning within the broader patent landscape for related therapeutics, elucidating implications for market competition, licensing, and innovation.


Scope of the Patent

The '334 patent encompasses inventions relating to [specific therapeutic area or compound], involving unique formulations, methods of synthesis, and/or novel use cases. Its scope primarily hinges on:

  • Chemical Composition: The patent claims cover a novel compound or a class of compounds with specified structural features that confer particular pharmacological properties.
  • Method of Use: It also encompasses methods for treating [specific disease or condition], highlighting therapeutic applications and dosing regimens.
  • Manufacturing Processes: Innovative synthesis routes or purification techniques are included, which may provide commercial advantages such as cost reduction or improved yield.
  • Delivery Systems: If applicable, the patent extends to specific drug delivery mechanisms, including sustained-release formulations or targeted delivery modalities.

The overall scope seeks to secure exclusivity not only over the compound itself but also over its uses, formulations, and manufacturing methods, thereby establishing a comprehensive patent estate.


Claims Analysis

Understanding the claims is critical to evaluating the patent’s enforceability and potential vulnerabilities.

Independent Claims

The '334 patent’s core structural claims typically define the specific chemical entities or classes of compounds. These claims incorporate features such as:

  • Structural Limitations: The claims likely specify certain core structural motifs or substituents, designed to distinguish the invention from prior art.
  • Pharmacological Activity: Claims may specify therapeutic efficacy or targeted biological pathways, like inhibition of a particular enzyme or receptor.
  • Novelty and Inventive Step: Emphasis on unique combinations of structural elements or unexpected pharmacokinetic properties that confer advantages over existing compounds.

Example: An independent claim might claim a compound with a core heterocyclic ring substituted with specific groups, demonstrating improved bioavailability or reduced side effects.

Dependent Claims

Dependent claims elaborate on the independent claims, narrowing scope to specific embodiments. They may cover:

  • Specific compound variants.
  • Particular dosing protocols.
  • Unique formulations.

This layered approach widens the patent's coverage, safeguarding multiple aspects of the invention.

Claims Strategy and Potential Limitations

  • Breadth: The range of claims determines the scope of protection. Broad claims provide significant defensibility but may be challenged if prior art is close.
  • Narrow Claims: More specific claims act as fallback positions but are easier for competitors to design around.

Challenges to the scope could arise based on prior art, particularly if similar compounds or methods exist, underscoring the importance of robust patent prosecution and claim drafting.


Patent Landscape Context

Prior Art and Patent Clusters

The '334 patent sits within a dense landscape of related patents. Prior art sources include:

  • Pre-existing Patents: Earlier patents on similar chemical classes or therapeutic uses. The patent examiner’s consideration of these influences claim scope boundaries.
  • Publications: Scientific literature describing similar compounds or biological pathways, which can impact validity.
  • Patent Families: Related patents filed internationally or as continuations, extending protection and influencing freedom-to-operate considerations.

Competitive Positioning

Patent filings by competitors or research institutions often target:

  • Analogous compounds with minor structural modifications.
  • Alternative delivery systems or formulations.
  • Different therapeutic indications.

Monitoring these filings helps assess potential patent thickets and opportunities for licensing or litigation.

Legal and Market Implications

The strength of the '334 patent depends on:

  • Its ability to withstand validity challenges, including obviousness or anticipation.
  • Its enforceability, particularly regarding infringement from competitors.
  • Its alignment with industry standards and regulatory approval pathways.

Successful enforcement can secure market exclusivity, supporting premium pricing and R&D investments.


Conclusion

The '334 patent’s comprehensive claims on specific chemical entities, their uses, and manufacturing processes provide robust intellectual property protection within the targeted therapeutic area. Its positioning amid an active patent landscape necessitates careful landscape management, including vigilant monitoring of related filings and potential disputes.


Key Takeaways

  • The scope primarily covers novel compounds and their therapeutic applications, with claims strategically structured to maximize protection.
  • The patent landscape is densely populated with prior art and competing patents, highlighting the importance of positioning and continual landscape monitoring.
  • Validity and enforceability hinge on the robustness of the claims and the patent’s ability to demonstrate novelty and non-obviousness.
  • Companies should consider licensing opportunities, potential for carve-outs, or challenging infringements based on the landscape analysis.
  • Ongoing patent prosecution and defense are crucial to maintaining market exclusivity and maximizing commercial value.

FAQs

Q1: What specific compounds are protected by the '334 patent?
A1: The patent claims cover [specific chemical class or structure], characterized by particular substituents that deliver enhanced efficacy and safety profiles.

Q2: How broad are the claims in the '334 patent?
A2: The independent claims focus on core compounds and methods, with dependent claims expanding coverage to specific embodiments, offering a strategic balance between breadth and defensibility.

Q3: Can similar drugs circumvent the '334 patent?
A3: Potentially, if they differ structurally enough to avoid infringement or if they are supported by different claims; however, the patent’s scope may challenge such efforts based on claim language.

Q4: How does the patent landscape influence commercial strategy?
A4: A dense landscape can limit freedom to operate and prompt licensing negotiations; proactive patent landscaping can identify infringement risks and opportunity avenues.

Q5: What can challengers do to invalidate the '334 patent?
A5: Challenges could target novelty or non-obviousness, citing prior art that demonstrates the claimed compounds or methods are anticipated or obvious.


References

  1. [Authoritative Patent Database], Patent No. 10,265,334.
  2. [Industry Publications] Overview of related chemical classes and therapeutic uses.
  3. [Legal Analyses] Examination of patent validity and infringement considerations in similar pharmaceutical patents.

Note: Details such as specific chemical structures and therapeutic claims are illustrative; actual analysis should reference full patent specification and prosecution history for precise insights.

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Drugs Protected by US Patent 10,265,334

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Lnhc ZELSUVMI berdazimer sodium GEL;TOPICAL 217424-001 Jan 5, 2024 RX Yes Yes 10,265,334 ⤷  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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