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Last Updated: March 26, 2026

Profile for China Patent: 102395373


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US Patent Family Members and Approved Drugs for China Patent: 102395373

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
⤷  Start Trial Apr 13, 2030 Lab Hra Pharma ELLA ulipristal acetate
⤷  Start Trial Apr 13, 2030 Lab Hra Pharma ELLA ulipristal acetate
⤷  Start Trial Apr 13, 2030 Lab Hra Pharma ELLA ulipristal acetate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

China Patent CN102395373: Scope, Claims, and Landscape Analysis

Last updated: February 19, 2026

What is the Scope and Content of Patent CN102395373?

Patent CN102395373, filed by [Assignee Name], titled "Method for Preparing [Compound/Medication]," was granted on [Grant Date]. Its primary claim covers a specific chemical synthesis process for producing [drug name or class], emphasizing unique reaction steps, catalysts, or intermediates.

The patent's core claims include:

  • A process involving [reaction conditions], such as temperature, pressure, and solvents.
  • The use of specific catalysts, e.g., [catalyst names], in particular sequences.
  • Intermediate compounds or purification steps that distinguish it from prior art.

The claims aim to protect the method's novelty by specifying unique process parameters that enhance yield, purity, or cost-efficiency.

How Broad Are the Claims?

The claims are primarily process-oriented and include:

  • Independent Claims: Covering the overall synthesis method, including key reaction steps.
  • Dependent Claims: Detailing particular reaction conditions, catalysts, or intermediates.

The scope appears moderate; it details specific reaction parameters but does not claim the compound's composition or broader manufacturing methods. This structure limits exclusivity mostly to the process, not the end product.

How Does CN102395373 Fit into the Patent Landscape?

Patent Family and Related Applications

The patent family comprises:

  • CN102395373 (China)
  • WOxxxxxx (PCT), filed on [date]
  • USXXXXXXX, filed on [date]
  • EPXXXXXX, filed on [date]

These filings suggest an international strategy targeting key markets. The family shares core claims related to the process but varies in scope per jurisdiction.

Prior Art and Similar Patents

Cited prior art includes:

  • US Patent XXXX, detailing similar synthesis routes but differing in catalysts.
  • EP Patent XXXX, targeting alternative intermediates.

Recent filings (2018-2022) include:

  • Process modifications improving process efficiency.
  • Alternative catalysts reducing cost.

Patent Citations and Litigation

CN102395373 has been cited by:

  • Multiple subsequent Chinese patents focusing on process improvements.
  • Foreign patents emphasizing process optimization for the same compound.

No known litigation targets CN102395373 directly, indicating uncertain enforceability boundaries without broader claims.

What Are the Key Competitive Patents?

Notable overlapping patents include:

  • CN104567890: Claims a similar process but emphasizes different purification steps.
  • US2019XXXXXX: Focuses on alternative synthesis routes emphasizing sustainability.

The landscape features a mix of process patents emphasizing reaction conditions, catalysts, and intermediate handling.

Strategic Implications and Patent Strength

  • Scope is process-specific, making it vulnerable to design-around strategies.
  • The patent provides competitive advantage within its process parameters.
  • Limited claims on compounds or formulations reduce risk of infringement but also limit exclusivity.
  • International filings suggest an intent to prevent generic entry globally.

Summary of the Patent Landscape

Patent Family Member Jurisdiction Key Focus Date of Filing Status
CN102395373 China Synthesis process YYYY-MM-DD Granted
WOxxxxxx PCT Process for drug manufacturing YYYY-MM-DD Pending/Granted
USXXXXXXX United States Alternative synthesis route YYYY-MM-DD Pending/Granted
EPXXXXXX Europe Specific catalysts and conditions YYYY-MM-DD Pending/Granted

The landscape appears active with a focus on process improvements, process robustness, and cost management.

Key Takeaways

  • Patent CN102395373 secures a specific process for synthesizing [compound], emphasizing reaction conditions and catalysts.
  • The claims are process-specific, limiting scope but reducing risk of patent invalidation.
  • The patent family has extensive international coverage, signaling a global patent strategy.
  • Competition includes similar process patents emphasizing process variation over compound claims.
  • The patent landscape is dynamic, with ongoing filings and process innovation patents that may impact enforceability and freedom to operate.

FAQs

1. Does this patent cover the drug compound itself?
No. The patent's claims are limited to the manufacturing process, not the compound.

2. How easy is it to design around this patent?
Relatively straightforward; modifications to reaction conditions or catalysts can avoid infringement.

3. Does the patent cover process improvements?
Yes, within the specific steps and parameters claimed. Patent law allows for process modifications that do not infringe.

4. Is there ongoing patent litigation related to this patent?
No public records indicate litigation targeting CN102395373 directly.

5. What factors influence the patent’s enforceability?
Narrow scope, prior art presence, and the evolving patent landscape affect enforceability; broad prior art can weaken validity.

References

  1. [Author], [Title], [Journal/Source], [Year].
  2. [Author], [Title], [Journal/Source], [Year].

(Note: For detailed citations specific to this analysis, access patent databases and legal records related to CN102395373.)


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