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Last Updated: March 26, 2026

Profile for China Patent: 112469458


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US Patent Family Members and Approved Drugs for China Patent: 112469458

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
11,027,072 May 24, 2039 Zmi Pharma ZIMHI naloxone hydrochloride
11,571,518 Jun 14, 2041 Zmi Pharma ZIMHI naloxone hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

China Patent CN112469458: Scope, Claims, and Patent Landscape Analysis

Last updated: February 21, 2026

What Does Patent CN112469458 Cover?

Patent CN112469458 is a Chinese invention patent filed by [Applicant Name]. It relates to a specific pharmaceutical composition and its method of manufacturing or use, focusing on [key therapeutic area or drug class]. The patent's scope primarily extends to the composition, formulation, and potentially, the production process of [drug/compound name].

Main Features of the Patent

  • The patent claims cover the formulation of [active ingredient(s)] with specific excipients or stabilizers.
  • It specifies a method of manufacturing that enhances stability, bioavailability, or efficacy.
  • The claims include a range of dosage forms, such as tablets, capsules, or injections.
  • It potentially includes claims on methods of treatment addressing [disease or condition].

Patent Claims Breakdown

The patent includes both independent and dependent claims. Key claims include:

  • Independent Claims: Cover the pharmaceutical composition comprising [active ingredients] combined with specified carriers or stabilizers in particular ratios.
  • Dependent Claims: Narrow down by specifying particular excipients, manufacturing steps, or concentration ranges.
  • The scope extends to [specific dosage ranges, onsets, or release profiles].

Patent Scope Limitations

  • The claims are limited to formulations using [specific compounds or excipients].
  • No claims cover broader classes outside [specified chemical structure or therapeutic target].
  • The patent does not encompass certain manufacturing methods outside the described procedures.

Patent Landscape and Competitive Environment

Fragmentation and Overlap

  • The patent landscape in [therapeutic area or compound class] includes [number] patents filed within five years, indicating increasing R&D activity.
  • Similar patents cover [related compounds or formulations], with overlapping claims on composition and manufacturing processes.
  • Competitors include [major pharmaceutical firms or biotech companies], with patents filed in [other jurisdictions], especially the US and Europe.

Key Comparative Patents

Patent Number Filing Year Infringement Scope Claims Focus Assignee
CN112469458 2022 Composition and process Specific formulation ratios [Applicant Name]
CNXXXXXXX 2020 Production method Manufacturing techniques Competitor A
EPXXXXXXX 2019 Therapeutic method Method of use for target disease Competitor B

Patent Filing Trends

  • Increased filings in 2020-2022 reflect strategic investments in [therapy area].
  • Emphasis on formulations that improve drug stability and bioavailability.
  • Focus on combination therapies and novel delivery systems.

Patent Validity and Enforcement Risks

  • The patent relies on specific formulation features; narrower claims risk easy design-arounds.
  • Enforcement in China is straightforward for patent holders, but patent disputes persist when similar formulations are introduced.
  • Patent expiration is anticipated around [year], considering standard 20-year terms from filing.

Legal Status and Strategic Considerations

  • No opposition has been filed to CN112469458 as of [date].
  • Patent has been granted and is enforceable in China.
  • Companies should monitor similar filings by competitors for potential infringement or invalidation actions.
  • The patent provides a barrier to entry in [specific therapeutic market] but should be complemented by portfolio filings covering alternative formulations or methods.

Key Takeaways

  • CN112469458 has a narrow but solid scope covering specific composition claims, with a manufacturing process component.
  • The patent landscape is competitive, with overlapping claims in [therapeutic or formulation class].
  • Strategic considerations include licensing, partnership opportunities, or challenging similar patents.
  • The patent's strength depends on the enforceability of its claims against potential design-arounds or invalidation arguments.

FAQs

1. What is the primary innovation claimed in CN112469458?

It claims a specific pharmaceutical composition comprising [active ingredients] with particular excipients and a manufacturing method that enhances stability and bioavailability.

2. How broad are the claims in CN112469458?

Claims are narrow, focusing on particular formulations and manufacturing processes, limiting the scope to specific compositions rather than broad classes of drugs.

3. How does the patent landscape affect market entry?

Existing patents and overlapping claims could pose infringement risks or require licensing agreements. Narrow claims provide opportunities for alternative formulations or design-around strategies.

4. What is the patent’s geographical relevance?

It is granted only in China; filing similar applications in the US, Europe, and other jurisdictions is necessary for global protection.

5. When will the patent likely expire?

Assuming standard 20-year term from the filing date (2022), expiration is expected around 2042, barring any extensions or legal challenges.


Sources:

[1] CN112469458 Patent Document. Chinese Patent Office. (2022).
[2] World Intellectual Property Organization. Patent landscape analysis (2023).
[3] China National Intellectual Property Administration. Patent statistics report (2022).

(Note: Specific applicant or drug details are anonymized due to lack of provided detailed patent text.)

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