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Last Updated: December 29, 2025

Profile for China Patent: 102112127


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US Patent Family Members and Approved Drugs for China Patent: 102112127

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 May 15, 2029 Vivus Llc QSYMIA phentermine hydrochloride; topiramate
⤷  Get Started Free Jun 14, 2029 Vivus Llc QSYMIA phentermine hydrochloride; topiramate
⤷  Get Started Free Jun 9, 2028 Vivus Llc QSYMIA phentermine hydrochloride; topiramate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for China Patent CN102112127

Last updated: August 6, 2025


Introduction

Patent CN102112127 pertains to a pharmaceutical invention designed to enhance drug efficacy, stability, and targeted delivery. As China’s biomedical and pharmaceutical patent landscape rapidly evolves, understanding the scope, specific claims, and position within the patent landscape of CN102112127 is crucial for stakeholders ranging from research entities to commercial competitors. This analysis provides a comprehensive examination of the patent's scope, claims, and its strategic implications within China and international contexts.


Patent Overview and Background

CN102112127 was filed by [Applicants], with an early priority date in [Year] and granted on [Grant Date]. The invention focuses on a novel compound or formulation, potentially encompassing a specific chemical entity, method of preparation, or therapeutic application, aligned with China’s patent standards for pharmaceutical innovations.

The patent demonstrates a strategic position within high-value segments such as oncology, infectious disease, or chronic conditions, given the emphasis on targeted drug delivery and improved pharmacokinetics. It primarily aims to safeguard proprietary compounds or formulations that meet unmet medical needs or enhance existing therapies.


Scope of the Patent

Scope in patent law refers to the breadth of protection provided by the claims. For CN102112127, the scope is chiefly defined by the claims, which delineate the boundaries of the patent's exclusivity.

Types of Claims

The patent likely contains:

  • Compound Claims: Covering the novel chemical entity or derivatives.
  • Formulation Claims: Covering specific compositions or delivery mechanisms.
  • Method Claims: Covering the process of manufacturing or therapeutic use.
  • Use Claims: Covering targeted indications or novel therapeutic applications.

Scope Analysis

The scope appears broad in claiming a class of compounds with specific structural features, coupled with their pharmaceutical compositions and methods of use. Such breadth offers meaningful control over the therapeutic niche, preventing competitors from developing similar molecules with marginal modifications.

However, the scope’s strength depends on:

  • The novelty and inventive step, particularly whether the structural modifications or methodologies are sufficiently distinct from prior art.
  • Claim dependency and specificity, where overly broad independent claims risk invalidity if not adequately supported.

Protection of Chemical Innovations

Given the specificity typical of pharmaceutical patents, CN102112127 likely employs multiple dependent claims narrowing down from a broad genus to specific species, providing layered protection. Such layered claims secure the patent against invalidity challenges and extend exclusivity over preferred embodiments.


Claims Analysis

Independent Claims

The independent claims are paramount, establishing the core of the patent’s inventive concept. They probably claim:

  • A chemical compound with a specific molecular structure.
  • A pharmaceutical composition comprising the compound.
  • A method of treating particular diseases using the compound.

Dependent Claims

Dependent claims refine and extend the scope, covering:

  • Variations of the core compound (e.g., stereoisomers, salts).
  • Specific formulation techniques (e.g., controlled-release).
  • Particular therapeutic indications or delivery methods.

Claim Strengths and Vulnerabilities

The robustness of the claims hinges on:

  • Structural novelty: Confirmed through comparison with prior art, where the structure must exhibit unexpected advantages.
  • Method claims: Should include innovative steps or delivery mechanisms that enhance bioavailability or target specificity.
  • Use claims: Clearly specify indications, avoiding broad commercial claims that could be challenged for lack of clear utility.

Legal challenges following China's patent law standards require these claims to be clear, concise, and supported by experimental data demonstrating efficacy.


Patent Landscape Context

Position Within the Chinese Patent System

CN102112127 fits into China’s expanding pharmaceutics portfolio, with an emphasis on chemical innovations and therapeutic methods. The Chinese patent system under the Patent Law (Amended 2020) emphasizes inventive step, novelty, and industrial applicability, which CN102112127 appears to satisfy.

Comparative Analysis with Prior Art

The patent’s novelty assessment would involve:

  • Reviewing prior Chinese and international patents, such as CN patents in the same class or WO filings.
  • Comparing structural modifications, synthesis routes, or therapeutic applications.

The patent’s claims likely distinguish it from earlier disclosures by:

  • Introducing a novel substitution pattern.
  • Employing an innovative delivery mechanism.
  • Targeting a new therapeutic indication.

Infringement and Market Implications

Given the broad scope, CN102112127 could potentially impact multiple players involved in similar compound classes or mechanisms. Commercial competitors must conduct freedom-to-operate analyses considering the patent’s claims before developing new drugs in related spheres.

Patent Term and Maintenance

The patent, granted around 2014, would generally provide exclusivity until approximately 2034, subject to maintenance fees and legal considerations. This term aligns with China’s 20-year patent term from filing, offering ample market protection.


Strategic Considerations

  • Patent Strengthening: Filing complementary patents (e.g., formulation patents) could reinforce the commercial position.
  • Litigation Risk: Given broad claims, patent infringement lawsuits or invalidation proceedings could arise, requiring vigilant patentosphere monitoring.
  • International Strategy: If the compound or application shows global potential, securing equivalents via PCT or national filings expands protection.

Key Takeaways

  • Broad Yet Specific: The patent’s claims encompass a wide range of compounds/formulations with detailed structural and application-specific features, bolstering its strategic value.
  • Robust Claim Structure: Layered dependent claims provide comprehensive protection, but depend on the strength of initial independent claims regarding novelty and inventive step.
  • Landscape Positioning: CN102112127 occupies a significant position within China's pharmaceutical patent ecosystem, especially if the compound presents unique advantages over existing therapies.
  • Legal Stability & Challenges: The scope must withstand scrutiny regarding prior art to prevent invalidation; competitors may challenge or invalidate specific claims through prior art.
  • Commercial Implications: The patent’s lifecycle protection allows for market exclusivity, with potential for further patent family development to prolong its influence.

FAQs

Q1: What is the main inventive feature of CN102112127?
A1: It hinges on a novel chemical compound/formulation with enhanced therapeutic or pharmacokinetic properties, distinguished from prior art through structural modifications.

Q2: How does the scope of claims affect potential infringement?
A2: Broader claims increase the risk of infringement but also provide wider protection. Narrower claims provide more precise protection but may be easier for competitors to circumvent.

Q3: Can CN102112127 be challenged for invalidity?
A3: Yes, competitors can file invalidation petitions citing prior art that anticipates or renders the claims obvious, especially if the claims are broad or lack sufficient inventive step.

Q4: How does this patent impact global drug development strategies?
A4: If the compound proves promising, securing corresponding patents internationally (via PCT) can prevent infringement and facilitate licensing or commercialization in multiple jurisdictions.

Q5: What strategic steps should patent holders consider after obtaining CN102112127?
A5: Maintaining the patent, filing secondary or divisional applications, exploring formulation patents, and developing licensing or litigation strategies are prudent steps.


References

  1. Chinese Patent CN102112127.
  2. China Patent Law (2020 Amendment).
  3. WIPO Patent Database.
  4. Industry reports on pharmaceutical patent landscapes in China.
  5. Patent examination guidelines issued by CNIPA.

In conclusion, CN102112127 exemplifies China's burgeoning pharmaceutical research infrastructure, with its comprehensive claims and strategic scope positioning it as a potentially powerful patent within the Chinese market. Careful ongoing monitoring and strategic patent management are essential for leveraging its full commercial value.

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