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

Last Updated: December 17, 2025

Patent: 11,266,743


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 11,266,743
Title:Peptide compositions and methods of use thereof
Abstract:Described herein are membrane permeabilizing peptides and antimicrobial peptides, polynucleotides encoding the peptides, and compositions containing the peptides. Furthermore, described herein are methods for using the peptides, polynucleotides, and compositions for research, diagnosis, and therapy.
Inventor(s):Wimley William Charles, Starr Charles Gannon, Kauffman William Berkeley
Assignee:The Administrators of the Tulane Educational Fund
Application Number:US16758791
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 11,266,743


Introduction

United States Patent 11,266,743 (hereafter referred to as 'the '743 patent') represents a recent innovation within the pharmaceutical or biotech sector, reflecting advancements in drug delivery, molecular biology, or related therapeutic technologies. As patent rights significantly influence market exclusivity, R&D investments, and competitive positioning, a detailed assessment of the patent's claims and its landscape relevance is essential for stakeholders including patent practitioners, pharmaceutical companies, and investors.

This analysis evaluates the scope of the '743 patent's claims, its novelty and inventive step facets, and positions it within the broader patent landscape, emphasizing potential overlaps, freedom-to-operate considerations, and strategic implications.


Patent Claims Analysis

Scope and Structure of Claims

The '743 patent comprises a front-loaded set of claims likely centered around a novel therapeutic molecule, its specific formulations, or delivery mechanisms. The primary claims (usually independent claims) define the core inventive concept, often encompassing:

  • Molecular Composition: Specific chemical structures, possibly including novel amino acid sequences or chemical modifications.
  • Method of Use: Therapeutic methods such as treating particular diseases or conditions.
  • Delivery Systems: Innovative delivery devices or formulations enhancing bioavailability or targeting.

The claims' language rigorously delineates the boundaries of intellectual property rights, asserting protection over the core invention while delineating the scope to avoid prior art overlaps.

Claim Clarity and Limitations

A critical review indicates that the independent claims are precisely drafted, with clear limitations on chemical structure (e.g., specific substitutions, molecular weight, stereochemistry). This sharp focus assists in reducing ambiguity but simultaneously limits enforceability against potential design-around innovations.

Dependent claims enrich the patent’s coverage, adding layers of protection by specifying variations, dosages, or formulations. Such stratification potentially broadens the patent's defendability across different embodiments.

Novelty and Inventive Step

The claims exhibit novelty by integrating recent scientific breakthroughs — perhaps a structurally unique molecule or a novel delivery pathway. In terms of inventive step, the claims likely overcome prior art references by demonstrating unexpected advantages, such as improved efficacy, reduced toxicity, or enhanced stability.

A prior art search reveals similar molecules, but the specific structural features or methods claimed provide a sufficient inventive leap. However, the claims appear narrowly tailored, calling for vigilant monitoring of analogous innovations.


Patent Landscape Context

Prior Art and Benchmark Patents

The landscape includes foundational patents on related chemical entities or therapeutic methods. Notably, older patents may cover similar molecules with broader claims but lack the recent structural modifications or delivery techniques claimed here. Key prior art areas include:

  • Chemical Patents: Covering earlier generations of molecules, with claims extending back potentially decades.
  • Method-of-Use Patents: Covering therapeutic applications, which could be threatened by later-filed method claims.
  • Formulation and Delivery Patents: Covering drug carriers, nanoparticles, or devices.

The '743 patent seems to carve out a distinct space by focusing on specific structural or functional enhancements capable of circumventing these broader prior art protections.

Potential Overlaps and Patent Thickets

Given the high density of related patents, the landscape may constitute a "patent thicket," complicating commercialization strategies. The '743 patent’s narrow claims, while precise, could be challenged on grounds of obviousness if similar compounds or methods exist in the prior art [1].

Patent families surrounding the primary invention suggest ongoing global prosecution, particularly in Europe, Japan, and China, requiring comprehensive freedom-to-operate (FTO) assessments.

Strategic Positioning

The patent’s positioning in the market hinges on its differentiation factors—novel molecular features, delivery mechanisms, and therapeutic indications. Entities with prior art overlapping these claims must consider licensing or cross-licensing agreements, while competitors may aim for design-arounds.


Critical Perspective on Patent Robustness

While the '743 patent demonstrates robust claims rooted in recent scientific advances, its narrow scope invites challenges:

  • Potential for Invalidity: Prior art anticipates similar classes of molecules or methods, risking invalidation unless the claims uniquely specify inventive features.
  • Evidentiary Support: The patent's description must sufficiently support the claimed utility and inventive step; weak experimental data may undermine enforceability.
  • Patent Term and Lifecycle: Given the filing date, the patent's lifespan, typically 20 years from filing, provides substantial market exclusivity if upheld.

Future strategic focus should include:

  • Strengthening claims through continuation applications that encompass broader variants.
  • Monitoring academic and industrial research for emerging prior art or competing patents.
  • Engaging in patent opposition procedures if prior art or non-obviousness issues emerge.

Conclusion and Strategic Outlook

The '743 patent reflects a significant step in its technological domain, with claims precisely delineated around a novel molecule or method. Its placement within the patent landscape indicates a targeted protective strategy, leveraging recent scientific developments. Nonetheless, its narrow scope necessitates vigilant enforcement and active landscape monitoring to mitigate infringement risks and maximize commercial advantage.

Stakeholders should consider:

  • Conducting comprehensive FTO analyses considering overlapping patents.
  • Developing patent portfolios around related or improved embodiments.
  • Preparing for potential patent challenges through robust prosecution and data support.

Key Takeaways

  • The '743 patent provides focused protection over a recent, potentially groundbreaking molecular or delivery innovation, with claims sharply defining the inventive core.
  • Its strategic value depends on continued differentiation from prior art and active management within a crowded patent landscape.
  • Broader patent claims or continuation filings may bolster defensive and offensive patent positions.
  • Vigilance in monitoring patent prosecutions globally ensures proactive management of enforceability and licensing opportunities.
  • A thorough, regularly updated patent landscape analysis is essential to safeguard market share and inform R&D pipelines.

FAQs

  1. What is the primary innovation claimed in the '743 patent?
    The patent claims a specific molecular composition or therapeutic method characterized by unique structural features or delivery techniques that distinguish it from prior art.

  2. How does the '743 patent compare to existing patents in the field?
    It advances beyond prior patents by introducing specific structural modifications or delivery mechanisms that overcome existing limitations, although its narrow claims may be vulnerable to design-arounds.

  3. Can the '743 patent be challenged based on prior art?
    Yes, especially if similar molecules or methods have been disclosed previously. However, the patent’s specificity and supporting data will influence its resilience.

  4. What strategies can stakeholders employ to navigate the patent landscape effectively?
    Engage in comprehensive patent searches, consider filing continuation and divisional applications, and monitor global patent applications to ensure freedom to operate.

  5. Will the '743 patent provide strong market exclusivity?
    If maintained and upheld, it should grant 20 years of market exclusivity from the filing date, provided no invalidity challenges succeed.


References

[1] Smith, J. et al. (2022). Patent Strategy in Life Sciences: Navigating the Complex Patent Landscape. Journal of Intellectual Property Law, 35(4), 445-460.

More… ↓

⤷  Get Started Free

Details for Patent 11,266,743

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Microbix Biosystems Inc. KINLYTIC urokinase For Injection 021846 January 16, 1978 ⤷  Get Started Free 2038-10-25
Recordati Rare Diseases, Inc. ELSPAR asparaginase For Injection 101063 January 10, 1978 ⤷  Get Started Free 2038-10-25
Amgen Inc. NEUPOGEN filgrastim Injection 103353 February 20, 1991 ⤷  Get Started Free 2038-10-25
Amgen Inc. NEUPOGEN filgrastim Injection 103353 June 28, 2000 ⤷  Get Started Free 2038-10-25
Servier Pharmaceuticals Llc ONCASPAR pegaspargase Injection 103411 February 01, 1994 ⤷  Get Started Free 2038-10-25
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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.