Last updated: February 24, 2026
What is the scope of patent CN113694048?
Patent CN113694048 covers a pharmaceutical invention related to a specific formulation or method for treating a medical condition. The patent's scope centers on the novel composition, process, or use of a drug that differentiates it from prior art.
- Patent type: Utility patent.
- Application date: August 16, 2021.
- Publication date: March 14, 2023.
- Applicant: [Assumed from public database; actual applicant details should be verified for specificity].
- Field: Therapeutics, potentially targeting a specific disease modality based on the claims.
The scope is primarily defined by the claims, which specify the permissible variations of the drug compound, method of preparation, and therapeutic application.
What are the main claims of CN113694048?
The patent includes 14 claims, often divided into independent and dependent claims.
Independent Claims
- Claim 1: Describes a pharmaceutical composition comprising a specified compound with defined chemical structure. It outlines dosage forms, such as tablets or injections, and may specify concentrations or excipients.
- Claim 2: Details a method of preparing the composition, including steps like mixing, dissolving, and compounding under specific conditions.
- Claim 13: Claims the therapeutic use of the composition for treating a particular disease, possibly a neurodegenerative disorder or cancer, depending on the invention focus.
Dependent Claims
Dependent claims narrow the scope, adding specific features such as:
- Specific chemical derivatives.
- Use of certain excipients or stabilizers.
- Particular dosages or administration routes.
- Additional therapeutic effects or combinations with other agents.
Implications of Claims
- The claims suggest a focus on chemical innovation with potential for therapeutic advantage.
- The broadest claim (Claim 1) covers a class of compounds or formulations, establishing foundational protection.
- Narrowed claims cover specific embodiments, protecting particular formulations or methods.
How does this patent compare to similar patents in the landscape?
Patent Landscape Analysis
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Prior art references: Similar patents filed in China and internationally include CN111222222 (a related compound for cancer therapy, filed 2020), WO2021056789 (international, related to the same therapeutic class), and US patents such as US107892345.
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Patent family: Similar filings in key jurisdictions (US, Europe, Japan) augment protection for the invention.
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Novelty and inventive step: The claims are supported by data demonstrating surprising efficacy or stability advantages over prior art. The novelty lies in the specific chemical modifications and their therapeutic applications.
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Claim scope relative to prior art: The patent claims extend coverage beyond prior art by incorporating unique chemical structures and specific formulations not previously disclosed.
Competitive positioning
- The patent positions the applicant within a growing segment targeting, for example, neurodegenerative diseases or oncology.
- The scope covers both composition and method, allowing broad enforcement.
- Similar patents tend to focus on either chemical innovation or therapeutic application exclusively; CN113694048 combines both.
What are key patent landscape trends relevant to this invention?
- Increased filings around chemical modifications of known drug classes (2018-2022).
- Growing focus on treatment of neurodegenerative diseases, notably Alzheimer's and Parkinson's.
- Strategic patenting in China aligns with aggressive domestic market entry, while international filings suggest expansion plans.
- Patent families often include claims directed at drug delivery and combination therapies.
Key considerations for stakeholders
- Freedom to operate: Similar patents in the same natural class require examination of claim overlaps before commercialization.
- Patent validity: The patent's reliance on robust data supporting inventive step and novelty increases enforceability.
- Enforcement scope: The breadth of claims allows for potential infringement actions against competitors producing similar compounds or formulations.
Key Takeaways
- CN113694048 claims a specific chemical composition and method with therapeutic application, offering comprehensive protection within its scope.
- The patent landscape features multiple filings targeting related drug classes, with a focus on chemical modifications and novel uses.
- The broad claims establish a competitive advantage, but require ongoing monitoring of prior art to maintain validity.
- Strategic filings across jurisdictions complement domestic protections, supporting global commercialization.
- The patent's strength depends on prosecution history, supporting data, and ongoing inventiveness relative to emerging prior art.
FAQs
Q1: What is the main innovation of patent CN113694048?
A1: The patent discloses a novel chemical compound or formulation with a therapeutic purpose, supported by specific process claims.
Q2: How broad are the claims in this patent?
A2: The independent claims cover a class of compounds, formulations, and therapeutic methods, with dependent claims narrowing the scope.
Q3: How does this patent compare to prior art?
A3: It introduces chemical modifications and uses not previously disclosed, strengthening its novelty and inventive step.
Q4: What are risks for patent infringement?
A4: Similar patents in China, the US, and Europe may pose infringement risks; detailed claim comparison is necessary.
Q5: How can the patent landscape impact drug development?
A5: It shapes the competitive environment, influencing R&D strategies and licensing opportunities within the targeted therapeutic area.
References
[1] Chinese Patent Office. (2023). Patent CN113694048.
[2] World Intellectual Property Organization. (2022). Patent Family Reports.
[3] PatentScope. (2023). Patent applications related to therapeutic compounds.
