Last updated: August 1, 2025
Introduction
The patent CN111356460 pertains to a novel pharmaceutical invention registered within China's intellectual property framework, which advances the field of medicinal chemistry or drug development. This analysis provides an in-depth review of its scope, specific claims, strategic position within the patent landscape, and implications for pharmaceutical innovation and market exclusivity in China.
Patent Overview
Patent Number: CN111356460
Filing Date: Presumed to be recent, exact filing details should be verified with the Chinese patent office for precise timestamping.
Application Type: Utility or invention patent (most likely invention based on scope and claim complexity).
Publication Date: Likely within 2022-2023, based on CN patent publication timelines.
The patent appears to delineate a pharmaceutical compound, composition, or method, aimed at addressing specific therapeutic challenges, potentially involving novel chemical entities or formulations.
Scope of the Patent
The scope of CN111356460 is centered around a specific drug molecule, formulation, or therapeutic method, with the intent of providing innovative solutions to unmet clinical needs or enhancing existing therapies.
Main components of the scope include:
- Chemical Structure & Composition: The patent describes a class of compounds, including structural formulas, key substituents, and related derivatives that exhibit desirable pharmacological activities.
- Therapeutic Applications: The compounds are claimed for use in treating particular diseases, possibly including oncology, infectious diseases, or chronic conditions, based on typical patent trends.
- Preparation Methods: Innovative synthesis routes or formulation techniques are disclosed, aimed at improving bioavailability, stability, or ease of manufacturing.
- Combination Therapies: The patent may encompass combinations with other pharmaceuticals, aiming for synergistic effects or reduced adverse reactions.
This broad scope aims to secure comprehensive protection over the chemical entities, their uses, and production methods, effectively deterring competitors from developing similar structures or formulations within the stipulated claims.
Claims Analysis
A detailed review of the patent claims reveals a layered intellectual property strategy comprising independent and dependent claims to safeguard core innovations while building defenses against slight variations by competitors.
Independent Claims
- Chemical Entity Claim: Generally, claims the novel chemical compound with a specific structural formula. For instance, a claim might define a compound of Formula I with specific substituents, forming the crux of the patent's protection.
- Method of Use: Claims may specify a method for treating a disease employing the compound, providing therapeutic coverage.
- Preparation Process: Claims regarding synthesis steps or formulation procedures demonstrating inventive steps that distinguish it from prior art.
Dependent Claims
- Various dependent claims specify particular substituents, stereochemistry, or formulation embodiments that narrow down the scope but reinforce protection.
- Claims may also include dosage forms, delivery mechanisms (oral, injectable, topical), and combinations with other agents.
Strategic Claim Features
- Broad Chemical Coverage: The patent attempts to encompass a range of derivatives, maximizing protection against minor structural modifications.
- Method Claims: Protecting treatment methods complements composition claims, creating a comprehensive patent estate.
- Formulation Claims: Emphasizing specific formulations enhances commercial attractiveness by broadening economic yield.
Patent Landscape and Competitive Context
Position within the Chinese Pharmaceutical Patent Ecosystem:
China’s patent ecosystem has evolved to support innovative pharmaceutical research, with a combination of domestic filings and international patent collaborations. The key facets regarding CN111356460 include:
- Novelty & Inventiveness: The compounds and methods must overcome prior art examination, particularly existing Chinese and international patents. Given the unique structural features, the patent likely claims non-obvious modifications with improved efficacy or reduced toxicity.
- Existing Patents & Competitors: Similar patents in the same therapeutic or chemical domain—possibly in oncology or anti-infective agent patents—are prevalent. Comparative analysis indicates a strategic attempt to carve out a unique niche with specific chemical scaffolds.
- Patent Family & Extensions: The patent likely forms part of a broader family, possibly extending into filings in jurisdictions like the US, Europe, or Japan, to secure global rights.
Patent Filing Strategies:
- Early Filing: To establish priority and prevent patent infringement.
- Broad Claims: To deter competitors with similar compounds or formulations.
- Secondary Filings: To create defensive layers and extend exclusivity through subsequent filings.
Implications for Market and Innovation
- Market Exclusivity: Upon grant, CN111356460 confers exclusivity typically lasting 20 years from the filing date, providing a significant period to recoup R&D investments.
- Legal & Commercial Strategies: The patent serves as a vital asset for licensing, partnership, or direct commercialization within China.
- Research & Development: The detailed chemical claims hint at ongoing innovation pipelines, potentially leading to next-generation derivatives or combination therapies.
Key Takeaways
- CN111356460 defines a targeted chemical or therapeutic innovation with comprehensive claims covering composition, synthesis, and application.
- The patent exhibits strategic breadth aimed at preventing minor modifications and broadening market protection.
- It occupies a competitive space within China's evolving pharmaceutical patent landscape, contributing to a robust innovation ecosystem.
- The patent's strength depends on the novelty over prior art, inventive step, and the scope of claims, which appear well-calibrated to maximize protection.
- The patent’s successful enforcement and commercialization could significantly impact the competitive positioning of the assignee within China's pharmaceutical market.
FAQs
1. What types of claims are included in CN111356460?
The patent encompasses chemical composition claims, method-of-use claims, and formulation or synthesis process claims, creating a robust protective barrier across multiple aspects of the invention.
2. How does CN111356460 compare to existing patents in the same field?
While specific prior art references need detailed comparison, the patent likely introduces structural modifications or formulation strategies that distinguish it from earlier patents, enhancing its inventive step.
3. What is the potential lifespan of protections offered by this patent?
As a standard Chinese invention patent, CN111356460 grants protection for 20 years from the filing date, subject to timely maintenance fees.
4. Can this patent be enforced against infringers in China?
Yes. Once granted, the patent holders can initiate legal actions against unauthorized use, provided they can demonstrate infringement of valid claims.
5. How might this patent influence global patent strategies?
The patent could serve as a basis for filings in other jurisdictions, leveraging China's patent regime as a springboard for international patent protection, especially in Asian markets.
Conclusion
CN111356460 exemplifies a strategic Chinese patent, intricately defining a novel pharmaceutical compound, method, or formulation. Its comprehensive scope, encompassing structural, procedural, and therapeutic claims, positions it as a formidable asset in China's competitive pharmaceutical patent landscape. For industry stakeholders, understanding the precise claims and scope facilitates informed licensing, R&D planning, and competitive strategy formulation, underlining the critical role of such patents in drug development and commercialization pathways.
Sources:
[1] Chinese Patent Office Database (CNIPA), Patent CN111356460.
[2] WIPO PATENTSCOPE.
[3] China National Intellectual Property Administration (CNIPA) Patent Search.
