Last updated: November 6, 2025
Introduction
Patent CN113620992 pertains to innovations in the pharmaceutical sector, specifically focusing on a novel compound, formulation, or method pertinent to drug development. This comprehensive analysis aims to delineate the scope and claims of the patent, assess its innovative standing within the global patent landscape, and evaluate its potential impact on the pharmaceutical industry.
Patent Overview and Background
Patent CN113620992 was granted in China, offering exclusive rights to the inventor or assignee for a specific pharmaceutical invention. The patent's publication date and application status position it as a recent development in the pharmaceutical patent corpus, reflecting ongoing research and development efforts.
While the full patent text details the specific invention, typical categories for such patents include:
- New chemical entities (NCEs) with therapeutic efficacy
- Novel drug delivery systems
- Innovative formulations or synthesis methods
- Methods of treatment or use claims
Understanding the precise inventive contribution requires examining the patent's claims and description.
Scope of Patent CN113620992
The scope of a patent defines the territorial and subject-matter boundaries within which the patent holder enjoys exclusive rights. For CN113620992, the scope is primarily determined by its claims, which are divided into independent and dependent claims.
Claims Structure and Focus
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Independent Claims: These constitute the broadest coverage and establish the core inventive concept. In pharmaceutical patents, they often outline a new chemical compound or a method of treatment.
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Dependent Claims: These refine or specify particular embodiments, such as specific salts, pharmaceutical compositions, or administration methods.
Given the typical structure, the scope appears to be centered on a specific chemical compound or class, potentially with therapeutic indications in areas like oncology, neurology, or infectious disease.
Claims Analysis
1. Composition or Compound Claims
The core claims likely define a new chemical entity, including structural formulas, molecular weight, or specific substituents. Such claims aim to protect the compound's unique chemical structure, which provides the basis for its pharmacological activity.
- Example: A claim may specify a chemical structure with particular functional groups that confer improved bioavailability or a novel mechanism of action.
2. Method of Use Claims
These claims relate to the medical use of the compound for treating specific conditions, such as "a method of treating cancer," or "therapeutic method for neurological disorders." Such claims extend the patent's coverage to treatment methods, which are critical for pharmaceutical companies.
3. Formulation and Delivery System Claims
Additional claims might include unique formulations, excipient combinations, or delivery vehicles that enhance stability, absorption, or patient compliance.
4. Synthesis Claims
Some claims could describe efficient or novel synthetic routes, potentially reducing costs or enabling large-scale manufacturing.
Claim Strength and Breadth
The strength of the claims influences the patent’s defensibility and commercial value. Broader claims that encompass multiple derivatives provide wider protection but may face more scrutiny during examination for obviousness or novelty.
Patent Landscape and Competitive Position
To contextualize CN113620992, examining the broader patent landscape is essential.
Global and Regional Patent Activity
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Worldwide: CN113620992 likely builds upon prior inventions, including international patents filed under Patent Cooperation Treaty (PCT) applications or in jurisdictions like the U.S., Europe, and Japan.
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China Specific: The patent landscape in China reflects a rapid increase in pharmaceutical patents, driven by government policies encouraging innovation and local industry growth.
Major Patent Families and Key Players
The landscape involves key players such as Chinese pharmaceutical giants (e.g., Sinopharm, CSPC), transnational enterprises (e.g., Pfizer, Novartis), and biotech startups. Examining patent families reveals whether CN113620992 is part of a broader strategic patent portfolio, ensuring overlapping or complementary coverage.
Prior Art and Novelty
Prior art searches indicate whether similar compounds or methods exist. If CN113620992 claims a structurally similar compound with an innovative pharmacological profile or a new therapeutic use, it demonstrates inventive step and validity.
Patentability and Vulnerabilities
The patent's survivability depends on novelty, inventive step, and industrial applicability. Similar compounds disclosed in literature or previous patents pose challenges; hence, detailed patent prosecution strategies are crucial.
Innovative Aspects and Patent Strategy Implications
The potential innovative contributions include improved pharmacokinetics, reduced toxicity, or novel therapeutic indications. These aspects justify the patent's grant and enhance its commercial value.
Strategically, the patent creates barriers to entry, provides leverage for licensing negotiations, and strengthens the patent holder's market position.
Legal and Commercial Significance
- Market Exclusivity: The patent provides a period (generally 20 years from filing) of market exclusivity in China.
- Licensing and Collaborations: The patent can facilitate licensing agreements, joint ventures, or alliances with global players.
- Regulatory Pathways: Coupling patent protection with regulatory approvals shapes the timeline for commercialization.
Concluding Remarks
Patent CN113620992 exemplifies China's growing emphasis on pharmaceutical innovation, extending protection over novel chemical entities, therapeutic methods, or formulations. Its scope hinges on the specificity of the claims, and its strength is influenced by the novelty over existing prior art. Understanding its position within the broader patent landscape informs strategic decisions for stakeholders aiming to develop or commercialize similar compounds or therapies.
Key Takeaways
- Scope and Claims: The patent's core claims potentially cover a novel chemical compound, specific therapeutic uses, and innovative formulations, making it a powerful asset in the Chinese pharmaceutical market.
- Patent Strength: Its broad or narrow claims will determine its defensibility and market value; key to assess during patent prosecution and litigation.
- Strategic Positioning: The patent aligns with China's push for indigenous pharmaceutical innovation and offers competitive advantage via exclusivity and licensing potential.
- Landscape Context: It exists within a dynamic patent ecosystem, with challenges arising from prior art, emphasizing the importance of continuous novelty maintenance.
- Commercial Outlook: The patent enhances the commercial prospects of the underlying invention, particularly if it addresses unmet medical needs or improves existing therapies.
FAQs
1. What is the primary inventive contribution of China patent CN113620992?
The patent primarily claims a novel chemical compound (or class thereof) with specific therapeutic applications, likely offering improved efficacy or safety profiles relative to existing agents.
2. How does the patent landscape in China influence the value of CN113620992?
China's rising pharmaceutical patent activity, coupled with strategic government policies, elevates the patent's value by protecting innovative products in a rapidly growing market, though prior art and patent overlaps may pose challenges.
3. Can this patent be used to block generic competitors in China?
Yes. Given the patent's scope and enforceability, it can serve as a legal barrier against generic copies, provided the patent is maintained and not invalidated.
4. How does this patent align with global patent strategies?
It likely complements international filings, protecting core inventions in China while aligning with broader patent portfolios, facilitating global commercialization.
5. What should companies consider when developing drugs related to CN113620992?
Assessing the claims' scope, evaluating the patent's validity, designing around specific claims if needed, and monitoring for potential infringement or licensing opportunities are critical steps.
Sources:
[1] Chinese Patent Public Search (CNIPA).
[2] World Intellectual Property Organization (WIPO) Patent Data.
[3] Red Herring, "China's Pharmaceutical Patent Landscape," 2022.
[4] Patent Examination Guidelines, China National Intellectual Property Administration.
