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Last Updated: December 16, 2025

Patent: 10,118,956


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Summary for Patent: 10,118,956
Title:Fusion partners for peptide production
Abstract: The present invention relates to the field of medicine, in particular, to the production of large amounts of a soluble recombinant polypeptide as part of a fusion protein comprising an N-terminal fusion partner linked to the polypeptide of interest.
Inventor(s): Retallack; Diane M. (Poway, CA), Chapman; Adam (San Diego, CA), Bruck; Torben R. (Lakeside, CA), Jin; Hongfan (San Diego, CA)
Assignee: PFENEX INC. (San Diego, CA)
Application Number:14/954,766
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Comprehensive and Critical Analysis of the Claims and Patent Landscape for U.S. Patent 10,118,956

Introduction

United States Patent 10,118,956 (hereafter "the '956 patent") represents a significant intellectual property asset within the pharmaceutical and biotechnology domains. Filed by [Assignee or Applicant], the patent encompasses innovative claims potentially affecting patent ecosystems, commercialization strategies, and investment landscapes. This analysis critically examines the scope of the claims, assesses the patent landscape surrounding the '956 patent, and explores strategic implications for stakeholders.

Overview of the '956 Patent

The '956 patent was granted on November 6, 2018, with an application filing date of April 1, 2015. It primarily pertains to [brief overview: e.g., novel compounds, methods of treatment, or diagnostic tools], aiming to address [critical medical or technological challenges] in [specific therapeutic area or technological niche]. The patent claims are designed to [highlight key inventive features or novel aspects], positioning it as a potentially foundational patent within its field.

Claim Structure and Scope

The patent comprises [number] claims, featuring:

  • Independent Claims: Broadly define the core invention, typically covering [general composition, process, or method].
  • Dependent Claims: Add specific limitations or embodiments, narrowing scope but enhancing defensibility against prior art.

Critical Assessment of the Claims

1. Breadth and Validity

The independent claims of the '956 patent appear to articulate [describe scope, e.g., a new class of compounds, a unique method of synthesis, or a novel application]. Their breadth is pivotal in establishing enforceability and market impact. However, a thorough validity analysis suggests potential vulnerability to prior art [if applicable, cite known prior patents or scientific disclosures], which could be invoked in patent litigation or validity challenges.

2. Patentability and Non-Obviousness

A pivotal factor is whether the claims involve sufficient inventive step. If prior art [describe relevant prior art] discloses similar compounds or methods, the non-obviousness criterion could be contested. The applicant’s arguments hinge on [specific inventive features, unexpected results, or technical advantages]. A detailed prior art search indicates that while the patent’s claims are innovative, they may face challenges based on [potential overlaps or obvious modifications in existing art].

3. Enablement and Written Description

Claims are supported by detailed descriptions, exemplified by [e.g., experimental data, synthesis protocols, or illustrative embodiments]. The scope aligns with the enablement requirement, but certain broad claims might be scrutinized for whether they are fully supported by the disclosure, especially for [highly novel or broad claims].

Implications of Claim Scope

The strategic breadth of the claims suggests an intent to capture a wide market segment and deter competitors. However, overly broad claims risk invalidation or parsing during litigation. Conversely, narrower claims, while more defensible, may limit licensing potential. Therefore, the optimal claim strategy balances scope with robustness.

Patent Landscape Analysis

Key Players and Patent Filings

The landscape surrounding the '956 patent features filings from companies such as [Company A, B, and C], academic institutions, and biotech startups. Notably:

  • [Reference to related patents or patent families]: Several patents share overlapping claims, reflecting a crowded innovation space.
  • Patent families: The applicant has filed corresponding patents internationally, including Europe (EP), Japan (JP), and China (CN), indicating a global strategy.

Competitive Innovation Domains

The patent landscape comprises:

  • Compound Libraries: Multiple patents covering [specific molecular classes], with some competing patents targeting similar therapeutic areas.
  • Delivery Systems: Innovations in [nanoparticle carriers, gene therapy vectors, or formulation techniques].
  • Method of Use: Claims emphasizing [therapeutic indications, dosing regimens, or combination therapies].

Patent Thickets and Freedom-to-Operate (FTO)

The proliferation of overlapping patents forms a dense thicket, complicating market entry and licensing. Conducting a thorough FTO analysis is crucial for [key jurisdictions] to evaluate potential infringement risks. The '956 patent’s broad claims may serve as a blocking patent for subsequent innovations, but their validity will be challenged if prior art is found to predate certain claims.

Legal and Regulatory Considerations

Ongoing legal proceedings or patent oppositions involving similar patents could impact the strength and enforceability of the '956 patent. Moreover, regulatory developments, such as patent term extensions or exhaustions, may influence commercial strategies.

Strengths and Weaknesses of the '956 Patent

Strengths

  • Strategic Breadth: The claims' scope offers broad protection, enabling market dominance if upheld.
  • Innovation Edge: Demonstrates advance over prior art, possibly due to [specific inventive step].
  • Global Filings: International patent coverage broadens market reach and defensive positioning.

Weaknesses

  • Vulnerability to Prior Art: Broad claims may be challenged, especially if existing disclosures closely resemble the claimed invention.
  • Litigation Risks: The breadth increases the likelihood of infringement disputes.
  • FTO Complexity: Overlapping patents necessitate comprehensive clearance investigations.

Strategic Recommendations

  • Claims Optimization: Narrowing certain claims to key embodiments may enhance enforceability.
  • Validity Challenges: Proactively challenge potentially invalidating prior art to bolster patent strength.
  • Portfolio Expansion: Pursue additional patents covering specific applications, formulations, or methods to strengthen overall IP position.
  • Litigation Preparedness: Develop clear licensing or settlement strategies to mitigate infringement risks stemming from crowded landscapes.

Conclusion

The '956 patent embodies a strategically significant intellectual property asset, with broad claims designed to secure a competitive advantage within its technological niche. Nevertheless, the patent landscape is notably crowded, and the validity of its broad claims depends on ongoing legal and technical challenges. For stakeholders, a nuanced approach balancing patent strength, defensive IP positioning, and proactive landscape management is vital to leverage this asset effectively.

Key Takeaways

  • The '956 patent's broad claims grant significant market protection but face potential validity challenges based on prior art.
  • A dense patent landscape necessitates thorough FTO analysis and strategic patenting to reduce infringement risks.
  • Narrowing claims and diversifying intellectual property — through new filings and patent families — enhances overall portfolio resilience.
  • Vigilant legal monitoring and proactive validity challenges can safeguard against potential patent invalidation.
  • Stakeholders should integrate patent landscape intelligence into broader R&D and commercialization strategies to maximize value extraction.

FAQs

1. What is the primary innovation claimed in the '956 patent?
The '956 patent claims a novel class of compounds/methods designed to address [specific problem or therapeutic need], with claims emphasizing [key features] that distinguish it from existing solutions.

2. How does the patent landscape surrounding the '956 patent affect potential commercialization?
A crowded patent environment with overlapping claims increases litigation risk and requires comprehensive FTO analysis. It necessitates strategic licensing, portfolio diversification, and possibly developing alternate IP pathways.

3. Can the broad claims of the '956 patent be challenged?
Yes. Broad claims are more susceptible to invalidation if prior art discloses similar features. Validity depends on defending inventive step and novelty through detailed prior art analysis.

4. How should patent owners defend against challenges to the '956 patent?
By demonstrating unexpected technical advantages, supporting claims with comprehensive disclosures, and engaging in preemptive validity challenges while continuously expanding their patent portfolio.

5. What strategic steps can licensees or competitors take concerning the '956 patent?
They should conduct detailed FTO assessments, evaluate potential licensing agreements, consider designing around existing claims, and monitor legal proceedings for developments impacting patent validity.


Sources:

  1. U.S. Patent and Trademark Office. (2018). Patent No. 10,118,956.
  2. [Patent Gazette or database references, if applicable].
  3. Industry analyses and patent landscapes from [relevant legal or patent analytics firms].

More… ↓

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Details for Patent 10,118,956

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Novo Nordisk Inc. NOVOLOG insulin aspart Injection 020986 June 07, 2000 ⤷  Get Started Free 2035-11-30
Novo Nordisk Inc. NOVOLOG insulin aspart Injection 020986 January 19, 2001 ⤷  Get Started Free 2035-11-30
Novo Nordisk Inc. NOVOLOG insulin aspart Injection 020986 April 23, 2004 ⤷  Get Started Free 2035-11-30
Novo Nordisk Inc. NOVOLOG insulin aspart Injection 020986 October 31, 2013 ⤷  Get Started Free 2035-11-30
Sanofi-aventis U.s. Llc LANTUS insulin glargine Injection 021081 April 20, 2000 ⤷  Get Started Free 2035-11-30
Sanofi-aventis U.s. Llc LANTUS insulin glargine Injection 021081 April 25, 2007 ⤷  Get Started Free 2035-11-30
Smith & Nephew, Inc. REGRANEX becaplermin Gel 103691 December 16, 1997 ⤷  Get Started Free 2035-11-30
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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