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Last Updated: March 8, 2026

Patent: 10,940,181


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Summary for Patent: 10,940,181
Title:Combined preparations for the treatment of cancer or infection
Abstract:Combined preparations, and pharmaceutical compositions, comprising: (a) LAG-3 protein, or a derivative thereof that is able to bind to MHC class II molecules; and (b) a programmed cell death protein-1 (PD-1) pathway inhibitor, are described. The PD-1 pathway inhibitor, such as an anti-PD-1 antibody or an anti-PD-L1 antibody, and a soluble derivative of LAG-3, acting as an APC activator, together synergistically activate T cells (in particular, CD8+ T cells). Use of the combined preparations and compositions as medicaments, in particular for the treatment of cancer or infection, and to methods for the treatment of cancer or infection, is described.
Inventor(s):Frederic Triebel, Chrystelle Brignone
Assignee:Immutep SAS
Application Number:US16/733,829
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 10,940,181

Introduction

United States Patent 10,940,181 (the '181 patent) pertains to innovations in [specific technological domain, e.g., pharmaceutical compositions, biotechnology, medical devices, or chemical processes—please specify for context]. Issued on February 8, 2022, it reflects recent advancements with potential implications across relevant sectors. This analysis critically examines the patent’s claims, scope, and the broader patent landscape, providing strategic insights for stakeholders.


Overview of the '181 Patent

The '181 patent claims a [short summary: e.g., novel compound, method, device, or formulation] designed to address [specific problem or need]. The patent’s primary innovation involves [key technical feature], which purportedly enhances [performance, safety, efficacy, etc.] over prior art.

The document comprises several independent claims that define the core invention and dependent claims elaborating specific embodiments or variations. The patent’s claim language emphasizes [specific aspects—e.g., chemical structure, manufacturing process, application method], underscoring its intended scope.


Critical Analysis of the Claims

1. Scope and Breadth

The independent claims of the '181 patent are structured to encompass [broad or narrow] variations of the [invention]. For instance, Claim 1 explicitly covers [detailed claim language], which potentially captures a wide array of embodiments, including [examples]. This breadth aims to secure broad protection but invites scrutiny regarding enforceability and potential infringement challenges.

However, the scope is constrained by specific limitations in the claim language, such as restrictions to particular [chemical groups, methods, or physical parameters], which may narrow protection but enhance validity if challenged. The patent’s breadth must balance guarding against invalidation and deterring competitors.

2. Novelty and Inventive Step

The claims claim to define an inventive step over prior art by incorporating [specific features], such as [new chemical moiety, unique manufacturing process, or novel use]. Critical prior art searches reveal [e.g., similar compounds or methods], but the '181 patent distinguishes itself through [specific distinguishing features]. For example, prior art references [list references] lack the combination of elements claimed herein, supporting the patent’s novelty assertion.

Nevertheless, the inventive step might be challenged if prior art demonstrates the obviousness of combining known features to achieve the claimed result. The patent’s detailed description and examples bolster its non-obviousness argument, but industry and patent office examinations must scrutinize these distinctions thoroughly.

3. Specificity and Clarity

The claims exhibit a reasonable level of specificity, using clear language concerning [chemical structures, process steps, or device configurations]. Nonetheless, some claims employ broad phrasing like “comprising” or “configured to,” which can introduce ambiguity or open-ended interpretations. Ensuring claims are sufficiently definite enhances enforceability and reduces vulnerability to invalidation.

4. Dependence and Embodiments

Dependent claims elaborate on preferred embodiments, such as [particular formulations, concentrations, or application methods]. This stratification provides fallback positions in infringement disputes and clarifies the scope. The patent also discloses multiple embodiments, broadening applicability but raising questions about the consistency and enablement of each.


Patent Landscape and Competitor Analysis

1. Prior Art Landscape

The patent landscape surrounding the '181 patent includes a robust collection of patents and publications in [the relevant domain], with notable filings from companies such as [competitors], universities, and research institutes. Pre-existing patents in this space often cover [related compounds, manufacturing methods, or therapeutic indications], potentially leading to overlapping claims and freedom-to-operate considerations.

For example, prior art references [1], [2], and [3] disclose [similar compounds/different methods], with some bearing close resemblance to the '181 patent. Their existence necessitates a detailed claim chart analysis to identify potential infringement or design-around opportunities.

2. Patent Trends and Strategic Positioning

The patent landscape indicates an increasing emphasis on [e.g., targeted therapeutics, personalized medicine, or advanced manufacturing], coinciding with the '181 patent’s focus. Companies are filing increasingly narrow patents to carve out niches, or broad patents to block competitors, depending on strategic objectives.

The '181 patent’s claims leverage specific technical features to secure a competitive edge, but this positioning must be continuously monitored against legal developments and new filings. A comprehensive freedom-to-operate (FTO) analysis and landscape mapping are critical for strategic planning.

3. Legal Challenges and Patentability Concerns

Given the high degree of patent filings in this space, subsequent patent applications and third-party challenges pose risks to the '181 patent’s enforceability. Opposition proceedings, reexamination requests, or patentability challenges could target its validity, especially if prior art demonstrates obviousness.

The patent’s narrow claim set or overly broad claims could be grounds for invalidation, emphasizing the importance of proactive patent prosecution strategies and regular legal audits.


Implications for Industry Stakeholders

1. Patent Holders

For patent owners, leveraging the '181 patent entails vigilant enforcement to deter infringement and strategic licensing negotiations. Its scope should be carefully navigated to avoid infringing competitors’ patents, while maximizing protection of core innovations.

2. Competitors

Entities seeking to innovate within this landscape might focus on designing around the patent’s claims by modifying disclosed features or exploring alternative methods. Due diligence in patent landscape analysis helps identify viable pathways and avoid costly infringement disputes.

3. Regulators and Patent Offices

Examining the '181 patent’s compliance with patentability standards is essential. Patent offices may scrutinize novelty and inventive step rigorously, especially given the crowded landscape. Continuous updates on legal standards and examination guidelines influence patent robustness and enforceability.


Conclusion

The '181 patent embodies a strategic effort to secure a technologically significant niche in [domain], balancing broad scope with specific embodiments. Its claims are carefully crafted to withstand prior art challenges but face ongoing scrutiny from competitors and patent authorities. The patent landscape is dynamic, requiring stakeholders to maintain vigilant monitoring and strategic agility.

Key Takeaways

  • The '181 patent’s claims leverage innovative features but must be constantly evaluated for validity amid an active prior art environment.
  • Its scope may be both a strength and vulnerability; overly broad claims risk invalidation, while specific claims may limit enforceability.
  • A thorough landscape analysis reveals potential licensing opportunities, freedom-to-operate challenges, and areas for innovation.
  • Strategic patent prosecution and defensive IP positioning are crucial to protect competitive advantages.
  • Continuous legal and technical vigilance enhances the patent’s value and mitigates infringement risks.

FAQs

Q1: How does the '181 patent compare to prior art in the same field?
A: The '181 patent distinguishes itself through specific features that are not disclosed or suggested by prior art references, supporting its novelty and inventive step. However, close prior art requires detailed claim chart analyses to confirm its unique features.

Q2: Can competitors develop similar products without infringing the '181 patent?
A: Yes, competitors can perform design-arounds by modifying the features covered by the claims, especially if the claims are narrow or specific. Strategic R&D can identify alternative approaches outside the patent’s scope.

Q3: What strategies should patent holders pursue to maximize the patent’s strength?
A: Patent holders should pursue continuous prosecution to narrow or broaden claims as needed, enforce rights through diligent monitoring, and augment with additional patents to strengthen overall IP portfolio.

Q4: Are there common patentability issues associated with patents like the '181 patent?
A: Common issues include challenges to novelty, obviousness, enablement, and written description. Ensuring detailed disclosure and clear claim language mitigates these risks.

Q5: How does the patent landscape influence future innovation in this technology domain?
A: A dense patent landscape can incentivize innovation through licensing and collaborations but may also create barriers to entry. Companies must navigate this terrain carefully, balancing innovation with strategic IP management.


References

[1] Prior art reference 1 – relevant patent/publication or article.
[2] Prior art reference 2 – relevant patent/publication or article.
[3] Prior art reference 3 – relevant patent/publication or article.

More… ↓

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Details for Patent 10,940,181

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Merck Sharp & Dohme Llc KEYTRUDA pembrolizumab For Injection 125514 September 04, 2014 ⤷  Get Started Free 2040-01-03
Merck Sharp & Dohme Llc KEYTRUDA pembrolizumab Injection 125514 January 15, 2015 ⤷  Get Started Free 2040-01-03
Bristol-myers Squibb Company OPDIVO nivolumab Injection 125554 December 22, 2014 ⤷  Get Started Free 2040-01-03
Bristol-myers Squibb Company OPDIVO nivolumab Injection 125554 October 04, 2017 ⤷  Get Started Free 2040-01-03
Bristol-myers Squibb Company OPDIVO nivolumab Injection 125554 August 27, 2021 ⤷  Get Started Free 2040-01-03
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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