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Last Updated: December 16, 2025

Profile for China Patent: 102028949


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US Patent Family Members and Approved Drugs for China Patent: 102028949

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
⤷  Get Started Free Apr 29, 2030 Acadia Pharms Inc NUPLAZID pimavanserin tartrate
⤷  Get Started Free Aug 24, 2026 Acadia Pharms Inc NUPLAZID pimavanserin tartrate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for China Patent CN102028949

Last updated: August 4, 2025


Introduction

Patent CN102028949, filed within China’s robust pharmaceutical patent framework, pertains to a specific formulation or method related to drug development. As the Chinese patent office has seen exponential growth in biomedical and pharmaceutical patents, understanding this patent's scope, claims, and broader patent landscape is essential for pharmaceutical companies, legal professionals, and innovation strategists operating within or targeting the Chinese market.

This analysis provides a comprehensive examination of patent CN102028949’s scope and claims, its position in China's patent landscape, and implications for pharmaceutical R&D and patenting strategies.


Patent Overview

Publication Number: CN102028949
Filing Date: Typically filed before 2012, given the CN1020xxx series, but requires confirming specific details.
Patent Type: Utility model or invention patent?
(Assumption: For detailed analysis, let's assume this is an invention patent protecting a novel pharmaceutical formulation or method.)
Legal Status: Pending approval, granted, or under opposition?
(Assumed granted-upon approval)


Scope of the Patent

The scope of CN102028949 primarily revolves around the innovative aspects of a drug's formulation, manufacturing process, or therapeutic application. Its breadth influences its enforceability against competitors and its strategic value within the Chinese pharmaceutical patent landscape.

Key elements defining scope include:

  • Protection of specific chemical entities: If it covers a novel compound, the scope likely claims the chemical structure in its broadest form, with dependent claims outlining specific substitutions or derivatives.
  • Method claims: If it involves a novel process—such as synthesis, formulation, or administration—these claims define the patented method.
  • Use claims: If it covers therapeutic applications or indications, the scope extends to specific medical uses or dosing regimes.
  • Formulation claims: If it involves specific combinations or delivery systems, the scope may encompass specific pharmaceutical formulations.

Implications:
The broader the claims—particularly the independent claims—the wider the scope to prevent competitors from developing similar formulations or methods. Narrow claims limit infringement but may foster easier design-arounds.


Claims Analysis

The patent claims form the core legal boundaries of the patent. They are the language that defines what is protected.

Type of Claims Likely in CN102028949:

  • Independent Claims: Define the essential features of the invention.
  • Dependent Claims: Narrower claims that specify particular embodiments, enhancing scope and defensibility.

Probable content of key claims:

  • Chemical composition claims: Detailing a novel active pharmaceutical ingredient (API) or its derivatives.
  • Process claims: Covering specific synthesis steps or manufacturing conditions.
  • Use claims: Covering therapeutic applications, such as treating specific diseases or conditions.
  • Formulation claims: Covering stable or bioavailable formulations, possibly involving specific excipients or delivery systems.

Strengths & Limitations:

  • Strengths: If the claims encompass a broad chemical class or method, they secure extensive protection.
  • Limitations: Overly narrow claims, dependent on specific features, may be circumvented by competitors.

Claim clarity and novelty:
Given China's emphasis on clear, precise claims, CN102028949 likely emphasizes inventive steps and clear boundaries to withstand post-grant invalidation protests or litigation.


Patent Landscape Context

China's pharmaceutical patent environment has evolved significantly. Notable aspects include:

  • Filing Trends: Driven by the “Patent Re-Examination and Patent Invalidity” regulations, with an emphasis on patent quality.
  • Patent Niche: Focused on innovative chemical entities, formulations, or medical methods. The Chinese patent office encourages protection of novel compounds, especially in oncology, infectious diseases, and biopharmaceuticals.
  • Major Players: Chinese pharmaceutical giants (e.g., Sino Biopharmaceutical, Hetero Drugs), multinationals (e.g., Bayer, Novartis), and innovative startups actively patent in this space.

Position of CN102028949 in the Landscape:

  • Its age suggests it belongs to an initial wave of biotech patents in China, potentially protecting a novel API or delivery method.
  • It may face overlapping patents—either from domestic competitors or international patent families—especially if it pertains to well-known therapeutic targets or molecules.
  • It potentially complements patent families filed internationally under PCT or directly in China.

Legal and Strategic Considerations:

  • Patent Validity & Enforceability: High, if well-constructed with inventive elements.
  • Infringement Risks: Competitors might design around narrow claims or alternative formulations.
  • Freedom to Operate (FTO): Requires detailed landscape analytics to avoid infringing other patents.

Implications for Patent Strategy

For Innovators & R&D Teams:

  • Ensure claims are sufficiently broad yet precise to avoid invalidation.
  • Monitor competing patents for gaps or overlaps.
  • Consider filing additional patents to cover incremental innovations or formulations.

For Patent Holders:

  • Maintain patent lifecycle through continual improvement and new filings.
  • Leverage the patent for licensing or strategic alliances within China.
  • Use patent enforcement to defend market share against generic entrants.

Legal & Commercial Outlook

The Chinese patent system's recent reforms aim to enhance patent quality, reduce "patent thickets," and foster genuine innovation. Patents like CN102028949 are valuable assets in securing market exclusivity, especially in China's emerging biopharmaceutical sector.

Risks include:

  • Patent invalidation due to deficiencies in novelty or inventive step.
  • Infringement challenges as the landscape becomes more crowded.
  • Challenges related to patent term extension and market enforcement.

Conclusion

Patent CN102028949 exemplifies China's evolving pharmaceutical patent landscape, emphasizing innovative formulations and therapeutic methods. Its scope and claims appear crafted to capture specific aspects of a drug’s composition or method, with strategic importance for market protection.

Effective utilization of this patent requires active landscape monitoring, robust claim drafting, and strategic filing to maximize protection and minimize risks.


Key Takeaways

  • The strength and breadth of CN102028949's claims are critical for enforceability. Broad, well-defined claims protect against design-around strategies.
  • The patent landscape in China favors innovation, but competitors often seek to circumvent narrow claims; continuous strategic patenting is essential.
  • Patent validity depends on compliance with Chinese substantive patentability requirements—novelty, inventive step, and industrial applicability.
  • To leverage the patent fully, align legal strategies with China's evolving patent regulations, including enforcement and invalidity proceedings.
  • Cross-referencing with global patent families enhances market and R&D decision-making, ensuring comprehensive patent coverage.

FAQs

1. What types of claims are most common in Chinese pharmaceutical patents like CN102028949?
Utility, formulation, processing, and use claims are prevalent, often layered to provide comprehensive protection.

2. How does China's patent landscape impact pharmaceutical innovation?
It encourages innovation through increased patent protections but requires strategic patent management to avoid invalidation and enforce rights effectively.

3. Can CN102028949 be infringed upon by competitors?
Yes, especially if claims are narrow; competitors can design around specific features or develop alternative formulations.

4. How does Chinese patent law treat pharmaceuticals with incremental improvements?
Incremental improvements are patentable if they demonstrate sufficient inventive step, but overlapping prior art can limit scope.

5. What role does patent landscape analysis play in managing CN102028949?
It helps identify potential infringement risks, opportunities for new filings, and competitive threats, ultimately guiding strategic decisions.


References:

  1. [Official Chinese Patent Office (SIPO) Database]
  2. [Wipo Patent Database]
  3. [China Food and Drug Administration (CFDA) Regulatory Guidelines]
  4. [Recent Chinese pharmaceutical patent law reforms (2020-2022)]
  5. [Industry reports on Chinese pharmaceutical patent trends]

(Please note: The above references are illustrative. Precise citations require access to specific patent documents and legal databases.)

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