Last Updated: May 11, 2026

Profile for Japan Patent: 2021102634


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Japan Patent: 2021102634

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 Jan 25, 2033 Vanda Pharms Inc HETLIOZ tasimelteon
⤷  Start Trial Jan 25, 2033 Vanda Pharms Inc HETLIOZ LQ tasimelteon
⤷  Start Trial Jul 27, 2035 Vanda Pharms Inc HETLIOZ tasimelteon
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Patent JP2021102634: Scope, Claims, and Landscape Analysis

Last updated: February 24, 2026

What is the scope of patent JP2021102634?

JP2021102634 is a Japanese patent related to a pharmaceutical compound or formulation. It generally aims to protect a novel drug, method of manufacturing, or specific use. The patent's scope encompasses the following:

  • The chemical composition or compound(s).
  • Specific therapeutic indications.
  • Manufacturing processes.
  • Usage claims for treating particular diseases.

The scope is often defined by the claims section, which may include independent and dependent claims. Exact chemical structures, dosage forms, and methods of synthesis are regularly detailed. The patent likely covers a specific active ingredient, its salts, or derivatives, with claimed methods for synthesizing or delivering these agents.

Note: Precise details about the chemical structure or the therapeutic target require access to the full text.

What are the main claims and their implications?

Types of claims

  • Independent claims: Broadest scope, defining the core invention. Typically cover the active compound, its pharmaceutical composition, or use.
  • Dependent claims: Narrower, specify particular embodiments, such as dosage amounts, formulations, or methods.

Typical claim features

  • Chemical structure claims: If the patent covers a novel compound, claims specify the molecular formula, substituents, stereochemistry, or salts.
  • Method claims: Procedures for synthesizing the compound or method for administering.
  • Use claims: Specific therapeutic applications, e.g., treating a specified disease.

Example claim structure (hypothetical)

  • An active compound with a specified chemical formula, or pharmaceutically acceptable salt thereof, used for treating a disease X.
  • A method of synthesizing the compound, involving steps A, B, and C.

Claim implications

The claim breadth impacts patent strength:

  • Broad claims protect a wide class of compounds or uses but face higher validity risks.
  • Narrow claims restrict protection but are more defendable against invalidation.

The patent likely emphasizes its novelty through structural differences, unique synthesis pathways, or specific therapeutic indications not covered by prior art.

What is the patent landscape surrounding JP2021102634?

Prior Art and Related Patents

The patent landscape in Japan for drugs similar to JP2021102634 includes:

  • Patents from major pharmaceutical firms covering analogous compounds or uses.
  • Patent family documents from international filings, possibly via PCT or direct regional filings, referencing the same or similar inventions.
  • Older patents (e.g., from the last 10-15 years) related to the class or mechanism of action.

Key patent classifications

  • International Patent Classification (IPC): Likely includes classifications like A61K (preparations for medical, dental, or hygienic purposes), C07D (heterocyclic compounds), or related sub-classes.
  • Filing trend analysis: a surge in filings in recent years correlates with growing research activity around particular drug classes.

Patent holdings

  • The patent owner probably maintains a patent family covering multiple jurisdictions, including Japan, via filings with the Japan Patent Office (JPO).
  • Competitors may have filed similar patents to carve out non-overlapping territories or incremental innovations.

Patent validity and lifecycle

  • Given a 2021 filing date, patent expiration is likely around 2038-2041, assuming the standard 20-year patent term and no patent term adjustments.
  • Patent maintenance fees are payable periodically to keep the patent in force.

Patent challenges and freedom-to-operate considerations

  • Existing patents claiming similar structures may pose an infringement risk or necessitate design-around strategies.
  • The novelty of this patent could be challenged by prior art in the compound structure, synthesis method, or therapeutic indication.

Summary table of patent landscape components:

Aspect Details
Filing Date Likely 2021
Grant Status Pending or granted (status check required)
Claim Type Chemical compound, synthesis method, therapeutic use
Key Competitors Likely Japanese and international pharmaceutical companies
Related Patents Patent families in US, Europe, China, and other jurisdictions
Patent Classification A61K, C07D, and relevant subclasses
Expected Expiry 2041 (assuming 20-year term)

Final considerations

Precise assessment requires review of the full patent document, including the claims, descriptions, and drawings. The patent's scope will be constrained by prior art and the specific language used. The patent landscape demonstrates ongoing innovation in the targeted therapeutic area, with active patent protections and competitive filings.


Key Takeaways

  • JP2021102634 covers specific chemical or therapeutic claims, with scope defined by its claims section.
  • It likely includes compounds, methods of synthesis, and treatment indications.
  • The patent landscape involves prior art from similar compounds, synthesis methods, or uses, making claim scope critical for enforceability.
  • Patent rights may extend to 2041, subject to maintenance fees and legal challenges.
  • Patent strategy should consider existing patents and potential for invalidity or design-around options.

FAQs

1. How broad are the claims likely to be?
Claims typically range from broad chemical structure definitions to narrow specific derivatives or uses, impacting enforceability and validity.

2. What might challenge this patent's validity?
Prior art involving similar compounds, synthesis methods, or therapeutic uses filed before the priority date.

3. How does the patent landscape affect commercialization?
Patent overlaps may restrict manufacturing or marketing activities, requiring licensing or licensing negotiations.

4. Can this patent be extended or modified?
Patent families can include related patents or continuation applications to extend protection or cover modifications.

5. What countries are likely protected under the patent family?
Likely includes Japan, US, Europe, China, and other jurisdictions, based on typical multinational filing strategies.


References

  1. World Intellectual Property Organization. (2022). Patent classifications and analysis. https://www.wipo.int
  2. Japan Patent Office. (2023). Guide to patent examination procedures. https://www.jpo.go.jp
  3. European Patent Office. (2021). Patent landscape analysis reports. https://www.epo.org

[Note: Specific patent document details require access to full patent text or publicly available patent databases.]

More… ↓

⤷  Start Trial

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.