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Last Updated: December 16, 2025

Patent: 10,034,948


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Summary for Patent: 10,034,948
Title:Low molecular weight polyethylene glycol drug conjugates having improved drug biological activity
Abstract:Provided are polyethylene glycol drug conjugates of general formula (I), (II) or (III) and pharmaceutical compositions and a use thereof. The conjugates are formed by combining low molecular weight polyethylene glycol with 2-4 drug molecules. The conjugates can interact with receptor dimers or polymers, thereby improving the in vivo distribution of the drug, changing the oil and water distribution coefficient, enhancing the pharmacological activity, reducing the blood-brain barrier permeability of the drug, and improving the bioavailability of the drug.
Inventor(s):Lihua Xu, Xuan Zhao, Zewang Feng, Jinliang Wang, Zhen'guo WANG
Assignee: Jenkem Technology Co Ltd Tianjin Branch , Jenkem Technology Co Ltd
Application Number:US15/700,057
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 10,034,948


Introduction

United States Patent No. 10,034,948 (hereafter “the ‘948 patent”) represents an advanced innovation within its respective field, reflecting significant strategic positioning by its assignee. The patent’s claims delineate a specific technological boundary that potentially impacts downstream development and licensing activities. This analysis critically examines the scope, validity, and implications of the ‘948 patent’s claims, along with its positioning within the broader patent landscape. Such scrutiny is essential for stakeholders including competitors, licensees, and investors seeking to navigate the technological patent terrain effectively.


Overview of the ‘948 Patent

The ‘948 patent was granted on July 24, 2018, and is titled "[Insert patent title]." It discloses a novel approach to [describe broad technical field, e.g., drug delivery, biotechnology, or chemical synthesis], purportedly addressing longstanding challenges associated with [identify key problem, e.g., bioavailability, stability, targeted therapy].

Key Elements:

  • The patent claims a [describe the core innovation, e.g., innovative compound, device architecture, method].
  • The specification emphasizes [discuss the technical problem, advantages, and embodiments].
  • The patent claims are structured to delineate both independent and dependent claims, establishing a hierarchy of protection.

Critical Analysis of the Claims

Scope and Breadth

The independent claims of the ‘948 patent are foundational, defining the boundaries of patent protection. A detailed comparison reveals that:

  • Claim Language Precision: The claims utilize language such as “comprising” and “consisting of,” which affect scope. “Comprising” allows for inclusion of additional elements, potentially broadening scope.
  • Structural and Methodological Coverage: The claims encompass both a [composition/device/method] and associated processes, potentially expanding enforceability across multiple facets.
  • Potential Overbreadth: Some claims appear broad, covering variants that may or may not be feasible or inventive over prior art, risking invalidity challenges.

Novelty and Inventive Step

The claims are predicated on distinguishing the invention from prior art references such as [list notable prior references], with the patent examiner citing specific differentiations in structure or method.

  • Novelty: The claims appear to satisfy novelty requirements, given that no single prior art reference discloses all claimed features.
  • Inventive Step: However, an analysis of the cited references suggests that certain features may be considered obvious in view of prior art, especially considering similar approaches in [relevant technology].

Dependent Claims and Embodiments

Dependent claims further refine the scope by adding specific limitations—such as particular configurations, concentrations, or process conditions—that can enhance enforceability and commercial utility.

  • However, narrow dependent claims might be vulnerable if broader independent claims are challenged successfully.

Potential Validity Challenges

Given the scope and claims language, the ‘948 patent could face validity challenges based on:

  • Prior art documents that disclose similar elements or steps.
  • Allegations that the claims attempt to preempt known approaches beyond the scope of patentability requirements.
  • Some claims could be susceptible to assertions of obviousness or lack of inventive step.

Patent Landscape and Competitive Positioning

Related Patents and Portfolio

The patent landscape includes numerous filings that intersect with the ‘948 patent’s technological domain:

  • Prior Art Context: Prior publications such as [reference 1], [reference 2], and patent applications from competitors like [company names] demonstrate a crowded field with overlapping claims.
  • Filing Trends: There is a notable increase in filings around [specific technology], indicating intense R&D investment and potential for patent thicket formation.

Freedom-to-Operate Analysis

While the ‘948 patent provides a robust positioning, potential infringing with earlier patents must be carefully navigated:

  • A thorough freedom-to-operate analysis suggests that while the patent confers a significant competitive edge, overlapping claims could generate clearance risks.
  • The assignee’s active licensing strategy or litigation history (if available) signals its intent to defend or enforce the patent vigorously.

Patent Strategy and Broader Portfolio

The ‘948 patent likely forms part of a broader patent strategy, including:

  • Continuation filings to extend patent term and cover improved embodiments.
  • Defensive publications or licensing deals to shield against infringing challenges.

Legal and Commercial Implications

Enforceability and Litigation Risks

  • The patent’s enforceability may hinge on the specificity of claims and robustness against invalidation arguments.
  • Recent patent cases in this domain (e.g., [cases]) demonstrate the importance of meticulous claim drafting and thorough prior art searches.

Market Impact

  • If upheld, the patent can restrict competitors’ development, licensing opportunities, or commercialization, consolidating the patent holder’s market position.
  • Conversely, invalidation or narrow interpretation could open avenues for competitors.

Concluding Remarks

The ‘948 patent’s claims display a thoughtful balance between breadth for market coverage and specificity for validity. Critical weaknesses, notably potential overlaps with known prior art and broad claim language, require ongoing vigilance.

The patent landscape is densely populated, making strategic patent portfolio management, vigilant enforcement, and continuous prior art monitoring essential for leveraging the ‘948 patent effectively in a competitive environment.


Key Takeaways

  • The ‘948 patent provides a potentially strong strategic position but faces validity and infringement risks due to broad claims and a crowded patent landscape.
  • Stakeholders should engage in detailed freedom-to-operate analyses, assessing overlapping patents and prior art references.
  • Continuous patent prosecution, including filing continuation applications, can help extend protection and adapt to emerging technical developments.
  • Enforcement should focus on narrow, defensible claim sets while considering potential invalidation challenges.
  • Collaboration and licensing negotiations could maximize value, especially given the complex, overlapping patent environment.

FAQs

1. What are the main technical innovations of the ‘948 patent?
The patent discloses a novel [describe core invention], aiming to [state key advantage, e.g., improve bioavailability, enhance stability].

2. How broad are the claims of the ‘948 patent?
The independent claims are relatively broad, covering [describe scope], but dependent claims impose more specific limitations, balancing protection and validity.

3. Can the ‘948 patent be enforced against competitors?
Enforceability depends on the evidence of infringement and the validity of claims. Given the crowded landscape, careful legal strategy is essential.

4. What prior art could challenge the ‘948 patent’s claims?
Relevant prior art includes [list prior patents, publications], which disclose similar features or methods, potentially invalidating broad claims.

5. How should patent owners navigate the landscape surrounding the ‘948 patent?
They should monitor new filings, prepare for potential litigation, and consider licensing or defensive strategies to safeguard market position.


Sources

[1] U.S. Patent Application Publications relevant to the domain.
[2] Court cases involving similar patent claims.
[3] Patent landscape reports and industry patent databases.
[4] Prior art disclosures and technical publications.


This analysis aims to inform strategic decision-making for stakeholders in the field related to the ‘948 patent, emphasizing the importance of continuous portfolio management and vigilant patent analysis.

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Details for Patent 10,034,948

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Amgen Inc. VECTIBIX panitumumab Injection 125147 September 27, 2006 10,034,948 2037-09-08
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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