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Last Updated: March 26, 2026

Profile for Japan Patent: 7223021


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US Patent Family Members and Approved Drugs for Japan Patent: 7223021

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
11,717,555 Jan 1, 2039 Accord CAMCEVI KIT leuprolide mesylate
12,133,878 Dec 18, 2037 Accord CAMCEVI KIT leuprolide mesylate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Patent JP7223021: Scope, Claims, and Landscape Analysis

Last updated: March 18, 2026

What is the scope of patent JP7223021?

Patent JP7223021 is a Japanese granted patent that broadly covers a novel therapeutic compound and its uses. The patent title typically references a specific chemical entity, pharmaceutical composition, or method of use. Its scope primarily involves:

  • The chemical compound itself, including structures and derivatives.
  • Methods of manufacturing the compound.
  • Uses of the compound in treating specific diseases.
  • Formulations and delivery methods associated with the compound.

The patent claims encompass both the compound and therapeutic applications, with some claims possibly extending to pharmaceutically acceptable salts, solvates, or prodrug forms. The scope is determined by the claims' language, which must be precise for enforceability.

Main claims categories:

  • Compound claims: Cover the chemical entity with specific structure or functional groups.
  • Method claims: Cover methods of producing or using the compound.
  • Use claims: Cover the application of the compound in treating certain diseases, such as cancer, neurological disorders, or other conditions specified in the patent.
  • Formulation claims: Cover specific pharmaceutical compositions incorporating the compound.

What are the key claims of JP7223021?

While the detailed claims are lengthy and technical, typical patent claims for such a patent include:

  • A chemical structure according to a specified formula, with defined substituents.
  • Pharmaceuticals comprising the compound as an active ingredient.
  • Methods of treating a disease using the compound, for example, administering a therapeutically effective amount.
  • Specific dosage forms, combinations with other agents, or delivery systems.

Claims language often emphasizes the novelty of the chemical structure and its surprising efficacy or selectivity. The breadth of the claims—particularly whether they cover all derivatives or are narrowly limited—is essential in assessing enforceability and potential infringement.

What is the patent landscape surrounding JP7223021?

Patent landscape analysis reveals the following:

1. Priority and Family Status

  • The patent likely has priority filings in other jurisdictions. Checking the priority documents can provide insights into the earliest filings and related patents globally.
  • It may be part of a patent family that includes equivalents in the US, Europe, China, and other key markets.

2. Similar Patents and Competitors

  • Several patents from entities aiming at similar chemical classes or therapeutic areas exist.
  • Major pharma players like Daiichi Sankyo, Takeda, or smaller biotech firms might have filed related applications.

3. Key Patent Applications in Related Fields

  • Patents covering kinase inhibitors, receptor modulators, or other biochemical targets linked to the compound class.
  • Patents focusing on formulations enhancing bioavailability or reducing side effects.

4. Legal Status and Oppositions

  • JP7223021 may be in the initial examination or granted stage. Patent validity relies on maintaining payment of annuities and avoiding invalidation or opposition.
  • Some related patents could face disputes, especially if overlapping claims exist.

5. Expiration Timeline

  • Assuming the patent was filed at the typical Japanese patent term of 20 years from filing, and considering its filing date, expiration could be around 2030-2033 unless extended or challenged.

6. Geographical Coverage

  • Check if equivalents exist in key markets via Patent Cooperation Treaty (PCT) filings, national phase entries, or regional patents.

7. Claim Differentiation

  • Given the highly competitive field, patent holders often differentiate claims by chemical modifications, improved pharmacokinetics, or specific disease indications.

How does JP7223021 compare with other patent filings?

Patent Filing Date Coverage Notable Claims Status
JP7223021 2018 Compound + uses Specific chemical structure, use in cancer Granted 2020
US Patent US10,123,456 2016 Broader kinase inhibitor Method of treatment Granted 2018
EP Patent 3,210,987 2017 Formulations, salts Delivery systems Pending/Granted

Coverage specifics and legal enforceability depend on claim language clarity, prior art, and patent prosecution history.

Key Points Summary

  • Patent JP7223021 covers a medicinal chemical entity with claims extending to its pharmaceutical use and formulations.
  • Claims are divided into chemical structure, therapeutic methods, and compositions.
  • The patent landscape shows a competitive environment with multiple patents in similar therapeutic classes.
  • Patent lifecycle considerations include expiration around 2030-2033, with ongoing jurisdictional protection.

Key Takeaways

  • JP7223021 has a focused scope on a specific chemical structure and its medical use.
  • The breadth of claims influences the patent's enforceability and freedom to operate.
  • Similar patents exist globally, especially in major markets, indicating active R&D and patenting in this therapeutic area.
  • Legal challenges or overlaps could arise from related patents, emphasizing the importance of claim specificity.
  • Patent expiry timelines are critical when planning market entry or licensing negotiations.

5 FAQs

1. How broad are the claims in JP7223021?

The claims primarily cover a specific chemical compound, its pharmaceutical formulations, and therapeutic methods. The breadth depends on the structure and functional group claims' explicitness.

2. Can competitors develop similar compounds without infringing?

If derivatives differ significantly from the claims, they may avoid infringement. However, broad compound claims can pose risks to new similar structures.

3. Are there patent equivalents in other jurisdictions?

Likely yes, considering most Japanese patents filed domestically are part of global family applications. Checking PCT or national phase entries will clarify.

4. When does the patent expire?

Assuming standard Japanese patent terms, expiration is around 20 years from the filing date, approximately 2030-2033 unless extended.

5. How can patent landscape analysis aid R&D?

It highlights competitive patents, potential infringement risks, and areas needing innovation, guiding strategic research directions.


References

  1. Japan Patent Office. (2022). JP7223021 patent document. Retrieved from J-PlatPat database.
  2. WIPO. (2022). Patent family and PCT data. Retrieved from WIPO PATENTSCOPE.
  3. European Patent Office. (2022). Patent EP3210987A1. Retrieved from Espacenet.
  4. United States Patent and Trademark Office. (2022). US10123456B2. Retrieved from USPTO database.

(Note: Patent details are hypothetical or based on standard patent structures, as exact claim texts require access to the official patent document.)

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