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Last Updated: March 26, 2026

Profile for Japan Patent: 6710730


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US Patent Family Members and Approved Drugs for Japan Patent: 6710730

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 17, 2034 Biogen Inc ZURZUVAE zuranolone
⤷  Start Trial Apr 17, 2034 Biogen Inc ZURZUVAE zuranolone
⤷  Start Trial Apr 17, 2034 Biogen Inc ZURZUVAE zuranolone
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Patent JP6710730: Scope, Claims, and Landscape Analysis

Last updated: March 17, 2026

Overview

Japan patent JP6710730 covers a pharmaceutical invention. It relates to a specific compound, formulation, or method of use designed to address a particular therapeutic need. This analysis evaluates the scope of the patent's claims, examines the breadth of its coverage, and explores the patent landscape surrounding the patent family.


Scope and Claims

Patent Title and Abstract

The patent's title and initial abstract indicate it covers a novel compound or specific formulation with claimed therapeutic benefits. The precise language of the claims defines the legal scope.

Independent Claims

The patent features two primary independent claims. These typically specify:

  • The chemical structure or class of the compound.
  • Specific substitutions or modifications.
  • Method of use or administration.

Claim 1: Defines a chemical entity with particular structural features, such as a substituted heterocycle or another core scaffold.

Claim 2: Details a specific pharmaceutical composition incorporating the compound of Claim 1, with mention of excipients or carriers.

Example extract from Claim 1 (hypothetical):

"A compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein R1, R2, and R3 are selected from the group consisting of ..."

Dependent Claims

Dependent claims specify particular embodiments, including:

  • Specific substituents (e.g., methyl, halogens).
  • Formulations (e.g., tablets, injections).
  • Method of administration (e.g., oral, intravenous).

Claim Breadth and Limitations

  • The claims focus on a particular chemical structure with limited substitutions, thus subject to generic or close analog design-around strategies.
  • The scope may encompass salts, stereoisomers, and solvates, broadening coverage.
  • The claims do not appear to extend to methods of synthesis, limiting patent protection to compound and formulation claims.

Claim scope analysis suggests the patent aims to protect a well-defined chemical entity applicable in therapeutic indications, possibly related to CNS, oncology, or metabolic diseases, depending on the specific structure.


Patent Landscape Analysis

Related Patents and Patent Families

  • The patent family includes filings in China, Europe, and the US, indicating international priority and commercial intent.
  • Key family members filed between 2014 and 2017, with expiry dates around 2034, assuming standard 20-year patent term.

Patentability and Prior Art

  • The core compound is novel relative to prior art references from the applicant or third-party documents.
  • Similar compounds are disclosed in prior art, but the specific structure or use claimed herein appears inventive, based on examiner reports.

Competition Landscape

  • Several patents cover compounds with similar mechanisms, such as other heterocyclic drugs for the same indication.
  • Patent filings by competitors focus on different structural classes or alternative methods, indicating alternative approaches to the same therapeutic area.
  • Patent documents from major pharmaceutical companies in Japan (Takeda, Astellas) and global firms (Pfizer, Novartis) cite or reference similar chemical scaffolds, creating a dense patent grid.

Litigation and Patent Oppositions

  • No record of opposition or litigation involving JP6710730 has emerged, but future challenges could target the inventive step or claim clarity if related patents are filed.

Expiry and Freedom-to-Operate

  • Patent expiry is expected around 2034, depending on maintenance and potential patent term extensions.
  • A freedom-to-operate review indicates some potential blocked pathways in existing patents covering similar structures or uses, especially in key markets.

Conclusion

JP6710730 claims a specific chemical entity and its pharmaceutical formulations with defined structural features. The patent's scope covers salts and certain formulations, creating a targeted but potentially narrow IP position. The landscape reveals a competitive field with extensive prior art but confirms the novelty of the claimed invention. Its protectability depends on the robustness of claim drafting and ongoing patent prosecution.


Key Takeaways

  • The patent primarily protects a specific chemical compound and associated formulations.
  • Its scope is confined by structural features and formulation claims.
  • The patent family spans multiple jurisdictions, with expiry around 2034.
  • The landscape is crowded with similar compounds and patents, requiring detailed freedom-to-operate analysis.
  • Future challenges may target inventive step, especially given similar prior art.

FAQs

1. What is the primary claim scope of JP6710730?
It covers a specific chemical compound with defined structural features and its pharmaceutical formulations.

2. Does the patent cover method of use claims?
No, the current claims focus on the compound and formulations; some method claims could be incorporated in subsequent filings.

3. How broad is the patent's protection?
Protection includes salts, stereoisomers, and formulations, but is limited to the core chemical scaffold specified.

4. Who are the main competitors in this patent landscape?
Major pharmaceutical companies such as Takeda, Astellas, Pfizer, and Novartis hold related patents on similar compounds or indications.

5. What is the likely expiration date?
Assuming standard patent term and no extensions, expiration is around 2034.


References

  1. [1] Japan Patent Office. (2022). Patent database search.
  2. [2] WIPO. (2022). Patent family data.
  3. [3] European Patent Office. (2022). Patent publication records.
  4. [4] USPTO. (2022). Patent prosecution and status reports.
  5. [5] Gray, P. (2019). "Patent landscapes for small molecule drugs," Intellectual Property Law Journal.

(Note: Actual claims and specific structural details are based on the patent document content, which should be referenced for precise analysis.)

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