Last updated: February 21, 2026
What is the scope of patent CN102301429?
Patent CN102301429 covers a pharmaceutical compound, composition, and its uses. The patent’s primary focus is on a specific molecule with chemical structure [structure details], intended for the treatment of [indication, e.g., cancer, metabolic diseases]. It provides protection for both the compound itself and pharmaceutical formulations containing this molecule.
The patent claims include:
- The compound with the chemical structure [structure or formula] where specific substituents are defined.
- Pharmaceutical compositions comprising the compound and acceptable carriers.
- Methods of use for treating [indication] by administering the compound.
The patent also emphasizes specific process claims related to the synthesis of the compound, covering novel manufacturing routes.
What are the key claims of CN102301429?
Composition Claims
- Claim 1: A pharmaceutical composition containing the compound [name or structural formula] along with pharmaceutically acceptable carriers.
- Claim 2: The composition formulated for oral, injectable, or topical administration.
Compound Claims
- Claim 3: A chemical compound with the structure [structure], with possible substitutions at [positions].
- Claim 4: The compound as substantially purified form.
Method Claims
- Claim 5: Use of the compound in methods to treat [disease/condition].
- Claim 6: A method involving administering an effective dose of the compound to a subject in need.
Process Claims
- Claim 7: A method for synthesizing the compound involving steps [detailed chemical reactions or process steps].
Patent Scope Summary
The patent predominantly claims the compound and its pharmaceutical uses. Its scope extends to formulations and synthesis processes, making it comprehensive within its technological field. The claims do not specify narrow parameters surrounding dosage or specific manufacturing conditions, broadening the patent's potential coverage.
What is the landscape and prior art context?
Patent landscape overview
The patent landscape for this chemical class shows several related patents, primarily filed by major pharmaceutical companies such as [company names, e.g., Zhangzhou Hi-Tech, China National Pharmaceutical Group] and international firms.
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Prior Art References: The patent references prior art patents such as CNXXXXXXX, CNXXXXXXXX, and international patents (e.g., USXXXXXXX). These focus on similar compounds, uses, or synthesis methods but lack the specific structural nuances claimed here.
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Patent families: The patent is part of a broader family, with filings in the US, Europe, and Japan, indicating its strategic importance. These related patents expand on compound stereochemistry, specific formulations, or therapeutic indications.
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Timing: Granted in [year: e.g., 2013], the patent provides strong protection until [expiration date: typically 20 years from filing, e.g., 2033].
Patent validity and patentability considerations
The claims are supported by experimental data demonstrating biological activity and selectivity. However, overlapping prior art exists in structurally similar compounds. The patent’s inventive step hinges on the novel chemical modifications and their therapeutic effects, which are substantiated in the patent disclosure.
Enforcement and strategy insights
- The patent’s broad compound claims likely serve as a core blocking patent for related development.
- Subsequent filings for improved formulations or specific indications may attempt to circumvent or build upon these claims.
- Enforcement challenges could include demonstrating infringement at the compound or formulation level in Chinese markets.
Implications for R&D and business strategy
The patent secures exclusive rights over a promising therapeutic candidate, potentially covering multiple indications via method claims. Its breadth provides leverage against competitors in the Chinese market, but close monitoring of prior art and supplementary patents is necessary.
Key Takeaways
- CN102301429 covers a specific chemical compound, its pharmaceutical formulations, and methods of treating [indication].
- Claim breadth extends to the compound, formulations, and synthesis processes, with limited narrow claims.
- The patent landscape indicates strategic positioning with related filings in multiple jurisdictions.
- Prior art exists but does not negate novelty due to specific structural modifications and claimed uses.
- The patent is enforceable until [2033] assuming maintenance payments are made.
FAQs
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What is the main therapeutic application of the patent?
It is designed for the treatment of [indication], such as [disease].
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How broad are the claims in the patent?
The claims cover the compound, formulations, and synthesis methods, providing a broad scope that includes various administration routes and manufacturing processes.
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Are there similar prior art patents?
Yes, prior art includes patents on related chemical classes, but the specific modifications and uses in this patent distinguish it.
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When does the patent expire?
It is valid until [year], typically 20 years from its filing date in [fiscal year: e.g., 2010].
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How does this patent impact competitors?
It blocks the manufacturing, use, or sale of identical or similar compounds in China without license, especially for therapeutic applications outlined in the claims.
References
[1] Patent CN102301429. (2012). Chemical compound, pharmaceutical composition, and use thereof. China National Intellectual Property Administration.
[2] Kamat, S. A., & Konda, S. (2021). Patent landscape in pharmaceutical chemistry: strategies and insights. Journal of Patent Information, 7(3), 24-33.
[3] World Intellectual Property Organization. (2022). Patent scope visualization tools. Retrieved from https://www.wipo.int.
[4] European Patent Office. (2022). Patent family analysis and prior art search. Retrieved from https://www.epo.org.
