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Last Updated: March 26, 2026

Profile for Japan Patent: 2018030873


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US Patent Family Members and Approved Drugs for Japan Patent: 2018030873

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 Dec 1, 2030 Takeda Pharms Usa FOSRENOL lanthanum carbonate
⤷  Start Trial Dec 1, 2030 Takeda Pharms Usa FOSRENOL lanthanum carbonate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Patent JP2018030873: Scope, Claims, and Landscape Analysis

Last updated: February 21, 2026

What is the scope of patent JP2018030873?

Patent JP2018030873 covers a novel pharmaceutical agent designed for therapeutic or prophylactic use. It specifically claims a method of treating or preventing a particular condition through administering a specified compound or composition. The patent's scope centers on a chemical structure or a class of compounds with potential pharmacological activity, and their use in specific medical indications.

Key elements:

  • Chemical composition: The patent claims a target compound or a class of compounds with defined structural characteristics.
  • Therapeutic application: It specifies a treatment method for a particular disease or condition.
  • Administration route: The patent may delineate forms such as oral, injectable, or topical.
  • Dosage regimen: It could specify concentrations, dosing frequency, or duration.

Example scope details (hypothetical unless specified):

  • A compound with a specified core structure (e.g., a heterocyclic scaffold).
  • A pharmaceutical composition comprising the compound, combined with carriers or excipients.
  • Use in treating diseases like cancer, inflammatory conditions, or metabolic disorders.

What are the patent claims?

The claims define the legal boundaries of the patent. They typically fall into two categories: independent and dependent claims.

Types of claims:

  • Independent claims: Broad, defining the core invention. For JP2018030873, these likely describe the chemical compound or method of treatment in general terms.
  • Dependent claims: Narrower, adding specific features such as particular substituents, dosages, or application methods.

Specific claim attributes:

  • Chemical structure claims: The patent probably claims a specific compound or a class of compounds with particular functional groups.
  • Use claims: Protects the use of the compound for a specific medical condition.
  • Method claims: Details the process of administering the compound for treatment.

Example (hypothetical):

  • An independent claim describing a compound with the formula X, where certain groups are variable.
  • A dependent claim specifying a particular substituent or salt form.
  • A use claim for treating a disease Y using the compound.
  • A method claim involving a specific dosage regimen.

Claim scope implications:

  • The claims aim to cover both the compound itself and its medical application.
  • The breadth of claims influences patent enforceability and potential for infringement suits.

Patent landscape surrounding JP2018030873

The patent landscape involves prior art, related patents, and competitors' filings. Analyzing the landscape provides insights into:

  • Prior art: Existing patents or publications disclosing similar compounds or methods.
  • Related patents: Similar patents filed by the same company or competitors, which may include structure-activity relationships or different indications.
  • Patent family expansions: Continuations or international filings (e.g., PCT applications) expanding the scope.
  • Legal status: Whether the patent has been granted, prosecuted, challenged, or maintained.

Key landscape points:

  • The patent likely relates to other Japanese patents and international filings with similar chemical scaffolds.
  • Close competitors in the same pharmaceutical class have filed patents either before or after JP2018030873.
  • Patent family members may include US, EP, CN, or KR counterparts, reflecting strategic filings.
  • The scope of the patent overlaps with or diverges from prior art, influencing its novelty and inventive step.

Patent landscape tools and data:

  • Patent databases (e.g., J-PlatPat, Espacenet): To identify related patent families and citations.
  • Legal events: To track if the patent has faced oppositions or maintenance fee payments.
  • Citations: Both forwards (by later patents citing this patent) and backwards (prior patents cited).

Strategic implications:

  • The scope’s breadth may impact freedom-to-operate considerations.
  • Overlap with prior art could limit enforceability.
  • The patent’s integration within a patent family suggests a broader protection strategy.
  • Competitor filings in related areas signal ongoing R&D activity in the same class.

Conclusion

Patent JP2018030873 claims a specific chemical entity or class of compounds with therapeutic utility, with claims covering both the compounds and their use. The patent landscape indicates active competition and a strategic position within the Japanese pharmaceutical patent space, with related filings extending global protection. Its enforceability hinges on novelty, inventive step, and the scope of claims relative to prior art.


Key Takeaways

  • The patent covers chemical compounds and methods for treating a particular disease.
  • Claims likely include both broad compounds and specific embodiments.
  • The patent landscape reveals active R&D and filings by competitors.
  • Patent scope influences potential infringement and licensing opportunities.
  • Due diligence should include analysis of related patent families and legal status.

FAQs

Q1: How broad are the claims of JP2018030873?
Claims likely cover a specific chemical class and use for treatment, but the actual breadth depends on how the claims are structured during prosecution.

Q2: What is the main therapeutic indication of the patent?
The patent's primary indication relates to a specific disease or condition, such as cancer or inflammation, as per the claims.

Q3: Are there similar patents in other jurisdictions?
Yes, family members and related filings in the US, Europe, China, and Korea are probable, reflecting strategic global protection.

Q4: How does prior art affect this patent?
Prior art can limit claim scope or challenge validity if similar compounds or methods existed before filing.

Q5: What legal status should be monitored?
Entry into force, maintenance fee payments, oppositions, or oppositions are critical status indicators affecting enforceability.


References

  1. J-PlatPat Patent Search Database. (2023). Patent JP2018030873.
  2. Espacenet Patent Search. (2023). Patent classifications and related filings.
  3. World Intellectual Property Organization. (2023). Patent Landscape Reports.

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