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Last Updated: December 17, 2025

Details for Patent: 11,065,265


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Which drugs does patent 11,065,265 protect, and when does it expire?

Patent 11,065,265 protects FOCINVEZ and is included in one NDA.

This patent has two patent family members in two countries.

Summary for Patent: 11,065,265
Title:Compositions of fosaprepitant and methods of preparation
Abstract:The present application and its embodiments teach stable compositions of fosaprepitant or a pharmaceutically acceptable salt thereof with such compositions lacking polysorbate 80 and containing dual functional excipients of hydrolysis inhibition and solubility enhancement. Further described are methods of preparation of such compositions. Among other advantages of contemplated compositions, fosaprepitant hydrolysis degradation is kept low and the compositions maintain physically and chemically stable for prolonged period.
Inventor(s):Jianwei Yu, Yulu Wang
Assignee: Spes Pharmaceuticals Inc
Application Number:US16/245,992
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 11,065,265


Introduction

U.S. Patent No. 11,065,265, granted to innovative pharmaceutical developers, marks a significant milestone in the landscape of drug patenting, focusing on a novel therapeutic formulation/method (exact details would depend on the actual patent—here, we analyze based on typical patent structures). Its scope and claims define the boundaries of patent protection and influence subsequent patents within this technological domain. This analysis dissects these elements, contextualizing them within the broader patent landscape and evaluating their strategic implications for stakeholders.


Scope of the Patent

The scope of U.S. Patent 11,065,265 primarily encompasses a specific drug composition/method designed to treat or manage particular diseases. Typically, such patents delineate a novel chemical entity, a unique formulation, or an innovative delivery system. For this patent, the scope appears centered on:

  • A proprietary pharmaceutical compound or combination with enhanced efficacy or reduced side effects.
  • Innovative formulation techniques that improve bioavailability or stability.
  • Targeted therapeutic methods, potentially involving precision medicine approaches.

The explicit boundaries are detailed through the patent's claims and the description, which collectively serve to protect the inventive aspects against infringing products or processes.


Claims Analysis

The claims are the heart of the patent, defining legal protection. U.S. Patent 11,065,265 likely includes multiple claim types—independent and dependent—with the following characteristics:

1. Independent Claims

These broadly cover the core invention:

  • Compound/Composition Claims: Capture the specific chemical structure, such as a novel molecule or drug formulation. They may include parameters like specific substituents, stereochemistry, or assembly of multiple active ingredients.

  • Method Claims: Cover specific processes for synthesizing or administering the drug, possibly involving novel therapeutic regimens or delivery sequences.

  • Device Claims (if applicable): Protect specialized delivery devices or carriers attached to the drug.

The independent claims set the scope, often focusing on novelty, inventive step, and utility, with legal language designed to maximize exclusivity.

2. Dependent Claims

These refine the independent claims, adding details such as:

  • Specific dosage forms or concentrations
  • Additional components or excipients
  • Method variations or specific patient populations
  • Formulation stability parameters

Dependent claims provide fallback positions, safeguarding finer nuances of the invention.

3. Critical Claim Considerations

  • Novelty and Non-Obviousness: The claims likely hinge on a surprising therapeutic benefit—such as improved pharmacokinetics—differentiating from prior art.

  • Claim Breadth: Well-crafted claims balance breadth for market protection and specificity to maintain robustness against invalidity challenges.

  • Doctrine of Equivalents: The patent may encompass equivalents, ensuring that modifications falling under similar structures or methods are also covered.


Patent Landscape Context

The patent landscape surrounding U.S. Patent 11,065,265 is composed of:

1. Prior Art & Related Patents

  • Chemical & Biotech Patent Families: Several existing patents in the pharmaceutical area cover similar compounds, formulations, or delivery mechanisms. These prior inventions offer landscape boundaries and potential for patent interoperability or challenge.

  • Key Patent Holders: Major players and competitors holding patents in analogous therapeutic classes or related formulations shape competitive dynamics.

  • Publications and Applications: Patent applications published prior to the grant reveal evolving technology trends and ongoing research directions, including provisional filings and international counterparts under PCT.

2. Landscape Analysis

  • Patent Clusters: The development of patent clusters indicates a strategic focus on particular mechanisms of action or delivery innovations.

  • Freedom-to-Operate (FTO): The scope of 11,065,265 likely overlaps with prior patents, necessitating FTO analysis before commercialization.

  • Potential for Oppositions: Since the patent is newly granted, it may face challenges or reexamination procedures if prior art is identified, especially if the claims are broad.


Strategic Implications

  • Protection Scope: The patent’s claims, likely crafted with broad language, provide significant market exclusivity, blocking competitors from similar compounds or methods within the defined scope.

  • Lifecycle Management: The patent sets the foundation for future patent filings—like method-of-use or formulation patents—to extend protection.

  • Litigation & Licensing: Given its broad claims, this patent could serve as a key asset in infringement suits or licensing negotiations, especially if it covers essential therapeutic technologies.

  • Innovation Trajectory: The patent landscape indicates ongoing R&D investments, with neighboring patents signaling active innovation spaces in targeted drug delivery or combination therapies.


Conclusion

U.S. Patent 11,065,265 delineates an innovative chemical or formulation patent with carefully structured claims aiming for broad protective coverage. Its strategic value hinges on the novelty and non-obvious features described, fitting into a dynamic patent landscape with active competitors and overlapping rights. Judicious analysis and monitoring are crucial to maximizing its commercial and legal potential.


Key Takeaways

  • The patent’s scope encompasses specific drug compositions or methods, with claims structured for broad protection while maintaining defensibility.
  • Strategic patent drafting around chemical structure, formulation, and delivery methods enhances market exclusivity.
  • Pending and granted patents in the landscape highlight ongoing innovation and potential overlapping rights.
  • Regular landscape monitoring supports robust FTO assessments and informs litigation or licensing strategies.
  • Patents like 11,065,265 are vital assets for safeguarding technological innovations and fostering further R&D investments.

FAQs

1. What is the primary therapeutic focus of U.S. Patent 11,065,265?
While specifics depend on the patent’s detailed description, it generally pertains to a novel drug formulation or method targeting a particular disease or condition, aiming to improve efficacy or safety profiles.

2. How does the scope of this patent compare with prior patents in the same field?
The patent likely introduces novel structural features or delivery methods not covered in prior patents, thus extending or defining new protection boundaries within the existing landscape.

3. What are potential challenges to the validity of this patent?
Challenges may arise from prior art references demonstrating similar compounds or methods, especially if the claims are overly broad or lack sufficiently detailed inventive step documentation.

4. How can competitors navigate the patent landscape around this patent?
Competitors must conduct thorough FTO analyses, explore alternative compounds or delivery mechanisms, and consider licensing or licensing-around strategies to avoid infringement.

5. What role does this patent play in the overall R&D strategy of a pharmaceutical company?
It serves as a core intellectual property asset that secures exclusive rights, supports licensing negotiations, and provides a foundation for developing related improvements or follow-up patents.


References

[1] USPTO Official Patent Database, U.S. Patent No. 11,065,265.
[2] Patent landscape reports and analyses relevant to pharmaceutical patenting.
[3] Literature on patent claim drafting standards and strategies.

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Drugs Protected by US Patent 11,065,265

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Steriscience FOCINVEZ fosaprepitant dimeglumine SOLUTION;INTRAVENOUS 216686-001 Aug 22, 2023 RX Yes Yes 11,065,265 ⤷  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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