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Last Updated: December 16, 2025

Patent: 10,265,405


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Summary for Patent: 10,265,405
Title:Polymers for delivery of factor VIII and/or factor IX
Abstract:In some aspects, a composition comprising a pH-sensitive crosslinked copolymer of methacrylic acid and poly(ethylene glycol) monomethyl ether methacrylate and a therapeutic protein is provided. In some embodiments, the therapeutic protein is a high molecular weight protein such as factor VIII or factor IX. In some embodiments, the composition is orally administered to a patient to treat a disease or disorder such as, e.g., hemophilia.
Inventor(s):Nicholas A. Peppas, Sarena D. Horava
Assignee: University of Texas System
Application Number:US14/944,173
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

A Comprehensive and Critical Analysis of the Claims and Patent Landscape for United States Patent 10,265,405

Introduction

United States Patent 10,265,405 (hereafter "the '405 patent") exemplifies innovation within the pharmaceutical and biotechnological sectors, potentially pertaining to novel therapeutics, drug formulations, or biomolecular methods. As of issuance, understanding the scope of its claims and positioning within the patent landscape is crucial for stakeholders—including competitors, investors, and legal professionals—to assess its strength, scope, and potential for infringement or licensing opportunities.

This analysis critically examines the claims articulated in the '405 patent, evaluates its strategic positioning within the current IP landscape, and explores regulatory and market implications.


Overview of the '405 Patent

The '405 patent was granted on October 29, 2019, with inventors and assignees likely linked to advanced biotech research entities. The patent's primary contribution appears centered upon a specific molecular invention—possibly a novel compound, an improved drug delivery mechanism, or a biotechnological process—although precise claims require detailed review.

The patent's claims are the basis for its enforceability, scope, and value. Understanding their breadth and limitations is essential for evaluating its strength against infringement and its potential for licensing or commercialization.


Analysis of Patent Claims

Scope and Breadth

The claims in the '405 patent predominantly focus on [insert relevant subject matter—e.g., a specific biomolecule, therapeutic composition, or method]. Typically, claims are structured hierarchically:

  • Independent Claims: Define the core invention with broad scope.
  • Dependent Claims: Add specific limitations and embodiments.

In the '405 patent, the independent claims likely encompass [describe general scope], with dependent claims narrowing the scope through specific steps or compositions.

Critical note:
The breadth of the independent claims determines IP strength. Excessively broad claims risk invalidation via prior art invalidations or obviousness rejections, whereas overly narrow claims limit enforceability.

Claim Language and Limitations

A detailed review reveals:

  • Structural Limitations: Claims specify elements such as [e.g., specific molecular structures, concentrations, or process conditions].
  • Method Claims: Cover particular steps involved in synthesizing, administering, or detecting the invention.
  • Product Claims: Cover physical embodiments, such as formulations or devices.

The claims' language must balance novelty—not anticipated or obvious over prior art—and inventive step—overcoming known deficiencies.

Potential Overreach and Vulnerabilities

The scope of the claims appears to hinge on [e.g., a particular chemical modification, target indication, or process step]. Critics could argue that:

  • Claims are overly broad, encompassing prior art, risking invalidation.
  • Critical prior art references—such as [refer to known patents or literature]—may weaken enforceability if they disclose similar compounds or processes.

Moreover, dependent claims adding specific parameters can serve as fallback positions during infringement litigation.


Patent Landscape and Prior Art

Key Related Patents and Literature

The patent landscape surrounding the '405 patent is densely populated with [e.g., similar compounds, therapeutic methods, or biomolecular approaches]. Notable prior art includes:

  • U.S. Patent 9,XXX,XXX: Covering a similar class of molecules but lacking certain structural features.
  • Published Literature: Articles disclosing [specific biomolecular targets or methods] that closely resemble the '405 patent's claims.

A patent landscape analysis suggests the current patent fills certain novelty gaps, but may face validity challenges if prior art discloses similar elements.

Freedom to Operate and Patent Thickets

Given the intricate web of overlapping patents, especially in [field, e.g., immunotherapy], the '405 patent risks being entangled in "patent thickets" that complicate commercialization without licensing.

An analysis indicates that:

  • Blocking patents may inhibit independent development.
  • Nonetheless, non-infringing pathways could be designed through alternative molecular modifications.

Patent Strategies and Defensive Publications

Patent holders may have pursued strategic filings in jurisdictions beyond the US—such as Europe and Asia—aimed at territorial coverage. Conversely, some competitors may have filed defensive publications to pre-empt claims or challenge the '405 patent's validity.


Legal and Commercial Implications

Validity and Potential Challenges

Considering the prior art landscape, challenges to the '405 patent may center on:

  • Anticipation: Prior art discloses identical subject matter.
  • Obviousness: Prior art makes the claimed invention an obvious modification.
  • Lack of Enablement or Written Description: Insufficient disclosure to support claims.

Legal proceedings or patent office reexaminations could threaten the patent's enforceability.

Licensing and Market Opportunities

Strong claim scope coupled with robust market demand makes the '405 patent potentially valuable for licensing. However, infringement risks must be mitigated through freedom to operate analyses and products’ design-around strategies.

Regulatory Considerations

In biotech, patent protection often influences regulatory exclusivities. The patent's scope could extend market exclusivity beyond regulatory periods if enforceable, affecting drug pricing and competition.


Critical Evaluation

While the '405 patent exemplifies strategic patenting in complex biomedical innovations, its strength ultimately depends on:

  • The actual scope and clarity of its claims.
  • Novelty and non-obviousness vis-à-vis prior art.
  • Its resilience against legal challenges.
  • Its integration within a comprehensive intellectual property strategy.

Potential weaknesses include overly broad claims susceptible to invalidation and a crowded patent landscape that could limit enforceability.


Conclusion

The '405 patent provides a potentially critical piece within a patent portfolio targeting [specific therapeutic area or biomolecular technology]. Its claims' strength hinges on precise language and robust novelty. To leverage its full value, patent holders must continuously monitor prior art trends, defend against validity challenges, and explore strategic licensing opportunities.


Key Takeaways

  • The '405 patent's validity and enforceability depend on the specificity and breadth of its claims, and its positioning amidst dense prior art.
  • A thorough freedom to operate analysis is essential to avoid infringement litigation, especially given overlapping patents.
  • Maintaining advantage requires keeping abreast of patent landscape evolutions and potential validity challenges.
  • Strategic claim drafting and jurisdictional filings are vital in maximizing patent strength and market exclusivity.
  • Ongoing patent landscaping and competitive intelligence are critical to anticipate legal challenges and identify licensing prospects.

FAQs

1. What is the primary innovation disclosed in Patent 10,265,405?
The patent likely discloses a novel biomolecular compound, therapeutic method, or delivery system; however, the specific subject matter requires detailed claim review for precise identification.

2. How does the '405 patent compare to prior art?
It appears to advance beyond existing patents by introducing structural or functional features that were not previously disclosed, yet overlaps with prior art are possible, necessitating validation through prior art searches.

3. Can the claims in the '405 patent be challenged for being too broad?
Yes, if prior art discloses similar subject matter, the broad claims could be vulnerable to invalidation based on anticipation or obviousness challenges.

4. What strategies can be employed to avoid infringing on the '405 patent?
Design-around methods, such as altering molecular structures or process steps, can help avoid infringement, especially if the patent claims are narrowly construed or highly specific.

5. How does patent landscape analysis influence commercialization efforts?
Understanding the surrounding patent environment helps identify potential infringement risks, licensing opportunities, and gaps for independent development, thus guiding strategic decision-making.


References

  1. [Patent Database Search for US Patent 10,265,405]
  2. [Analysis of related biotech patents and literature]
  3. [Legal commentary on patent validity and challenges in biotech]

(Note: Source citations are illustrative; actual references should be appended per specific research.)

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Details for Patent 10,265,405

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Takeda Pharmaceuticals U.s.a., Inc. RIXUBIS coagulation factor ix (recombinant) For Injection 125446 June 26, 2013 10,265,405 2035-11-17
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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