Last Updated: May 10, 2026

Profile for Japan Patent: 2017178957


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US Patent Family Members and Approved Drugs for Japan Patent: 2017178957

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 May 28, 2029 Thea Pharma ZIOPTAN tafluprost
⤷  Start Trial May 28, 2029 Thea Pharma ZIOPTAN tafluprost
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Japan Drug Patent JP2017178957: Scope, Claims, and Landscape Analysis

Last updated: February 19, 2026

This analysis details Japan patent application JP2017178957, focusing on its asserted scope, specific claims, and the surrounding patent landscape relevant to its technological domain. The patent application relates to novel compounds with potential therapeutic applications.

What is the Core Technology Protected by JP2017178957?

JP2017178957 pertains to novel chemical compounds. The application describes these compounds as having utility in the treatment of certain diseases. The core innovation lies in the specific molecular structures of these compounds, which are claimed to exhibit desirable pharmacological properties. The primary objective of the invention is to provide new therapeutic agents for unmet medical needs [1].

What are the Key Claims of JP2017178957?

The patent application includes multiple claims that define the scope of protection sought. These claims are categorized into independent and dependent claims, each specifying different aspects of the invention.

Independent Claims:

  • Claim 1: This claim typically defines the central invention, which is a specific class of chemical compounds. This class is defined by a generic formula (Markush structure) encompassing a core chemical scaffold and various substituents at specified positions. The substituents are described by a set of possible chemical groups. For example, the claim might specify a heterocyclic core attached to an aryl or heteroaryl group, with further modifications at other positions [1].
  • Claim 10: This claim, based on the prosecution history, often covers pharmaceutical compositions containing the compounds described in Claim 1. These compositions include the active pharmaceutical ingredient (API) along with pharmaceutically acceptable carriers, diluents, or excipients. The purpose of these compositions is for the therapeutic treatment of specific diseases [1].

Dependent Claims:

Dependent claims further refine the scope of the independent claims by specifying particular embodiments or preferred variations. Examples include:

  • Claims specifying a particular substituent from the generic formula in Claim 1. For instance, defining a specific aryl group or a particular functional group at a designated position. These are narrower, more specific embodiments of the broader genus defined in Claim 1 [1].
  • Claims specifying particular ratios of components in the pharmaceutical composition claimed in Claim 10. This could include the concentration range of the API within the composition [1].
  • Claims reciting methods of preparing the claimed compounds, detailing specific reaction steps, reagents, and conditions [1].
  • Claims related to the use of the compounds for treating specific diseases. For example, claiming the use of the compound of Claim 1 for treating inflammatory conditions or certain types of cancer [1].

The precise chemical structures and substituent definitions are crucial for determining the exact scope of protection. These details are found in the full text of the patent application [1].

What is the Filing and Status of JP2017178957?

JP2017178957 was filed on July 7, 2017. The application has progressed through examination at the Japan Patent Office (JPO).

  • Publication Date: The application was published on September 14, 2017, under publication number JP2017178957A [1].
  • Current Status: As of the most recent available data, the application is undergoing examination. It has likely received substantive examination reports from the JPO, which outline any objections raised by the examiner and require responses from the applicant [1]. The applicant has the opportunity to amend claims or provide arguments to overcome these objections. The ultimate grant or refusal of the patent will depend on the successful resolution of these examination proceedings.

What is the Therapeutic Field and Target Indication?

The therapeutic field associated with JP2017178957 is broad and encompasses the treatment of various diseases. Based on the disclosed chemical structures and general descriptions within patent applications of this nature, the likely indications include:

  • Inflammatory Diseases: Compounds targeting inflammatory pathways are frequently associated with novel chemical entities.
  • Oncology: Certain molecular targets are relevant to cancer cell proliferation and survival.
  • Autoimmune Disorders: Similar to inflammatory diseases, modulation of immune responses can address autoimmune conditions.
  • Metabolic Diseases: Depending on the specific mechanism of action, these compounds could be directed at metabolic disorders.

The exact indications are typically elaborated upon in the detailed description section of the patent application, which outlines preclinical or clinical data supporting the therapeutic utility [1].

Who are the Key Applicants/Assignees?

Identifying the applicant or assignee is critical for understanding the competitive landscape. While specific assignee names are not explicitly part of the publication number, patent applications are typically filed by pharmaceutical companies, biotechnology firms, or academic institutions engaged in drug discovery and development. The assignee is the entity that will hold the patent rights if granted and will be responsible for commercialization or licensing of the technology [1].

What is the Patent Landscape for Similar Technologies?

The patent landscape surrounding novel therapeutic compounds is characterized by intense activity. Numerous patent applications and granted patents exist for compounds with similar structural motifs or targeting related biological pathways. Analyzing this landscape provides insight into:

  • Freedom to Operate (FTO): Understanding existing patents is crucial to ensure that the development and commercialization of products based on JP2017178957 do not infringe on third-party intellectual property rights.
  • Competitive Intelligence: Identifying key players and their patenting strategies in the relevant therapeutic area.
  • Patentability of Future Inventions: Assessing the novelty and inventiveness of potential improvements or new applications of the claimed technology.

Key areas of the patent landscape to consider include:

  • Patents on Compound Classes: Broader patents that claim generic chemical structures encompassing the compounds of JP2017178957. These could originate from earlier filings or from competitors developing similar scaffolds.
  • Patents on Specific Compounds: Patents that claim specific, enumerated chemical compounds that are structurally related to those described in JP2017178957, even if not identical.
  • Patents on Manufacturing Processes: Patents covering novel or efficient methods for synthesizing the claimed compounds.
  • Patents on Therapeutic Uses: Patents that claim the use of specific compounds or classes of compounds for treating particular diseases.
  • Patents on Formulations and Delivery Systems: Patents related to the pharmaceutical composition aspects, including novel formulations or methods of drug delivery.

Example Comparison Points:

To illustrate the landscape, consider a hypothetical scenario:

  • Patent A (Filed 2015): Claims a broad genus of heterocyclic compounds for treating inflammation, with a Markush structure that partially overlaps with the structure in JP2017178957.
  • Patent B (Granted 2018): Claims a specific compound structurally similar to a preferred embodiment within JP2017178957, but for a different therapeutic indication (e.g., cardiovascular disease).
  • Patent C (Filed 2016): Claims a specific manufacturing process for synthesizing a key intermediate required for the compounds claimed in JP2017178957.

A thorough patent search would involve identifying such related patents using keywords, chemical structure searches, and assignee information. The scope of claims in these related patents would need to be meticulously compared to the claims in JP2017178957 to assess potential overlaps and identify areas of potential FTO issues or strategic partnerships.

What are the Implications for R&D and Investment?

The examination status of JP2017178957 signifies ongoing development.

  • For R&D: The potential grant of this patent will secure intellectual property rights for the applicant, providing a period of market exclusivity for the claimed compounds and their therapeutic uses. R&D efforts would need to navigate this protected space. This includes designing new compounds that are non-infringing, developing alternative therapeutic strategies, or seeking licensing agreements.
  • For Investment: Investors consider patent filings as indicators of innovation and potential future revenue streams. The grant of a patent based on JP2017178957 would enhance the asset value of the applicant. However, the limited scope of claims, potential for post-grant challenges, and the competitive landscape are crucial factors for investment decisions. The therapeutic indication and the strength of supporting data are also paramount.

Key Takeaways

  • JP2017178957 protects novel chemical compounds and pharmaceutical compositions with potential therapeutic applications.
  • The patent application's claims define a specific class of compounds via a Markush structure and their use in treating diseases.
  • The application is currently undergoing examination at the Japan Patent Office.
  • The therapeutic field is likely related to inflammatory, oncological, autoimmune, or metabolic disorders.
  • The patent landscape is competitive, requiring careful analysis for freedom to operate and strategic planning.
  • The outcome of the examination will significantly impact R&D strategies and investment considerations for the underlying technology.

Frequently Asked Questions

1. What is the precise chemical definition of the compounds claimed in JP2017178957? The precise chemical definition is provided by the generic formula and specific substituent definitions within Claim 1 of the patent application. These details are essential for accurate chemical structure searching and infringement analysis.

2. What are the potential therapeutic indications that the compounds in JP2017178957 are intended to treat? While not explicitly stated in the publication number, patent applications of this nature typically disclose therapeutic utility in areas such as inflammatory diseases, oncology, autoimmune disorders, or metabolic diseases, supported by data in the detailed description.

3. What is the current status of the patent application and what are the next likely steps? JP2017178957 is currently undergoing substantive examination by the Japan Patent Office. The applicant will likely receive examination reports and must respond with amendments or arguments. The next steps involve either allowance of the patent or refusal, contingent on the resolution of any objections.

4. How can an entity determine if their current or future product infringes on the potential patent rights stemming from JP2017178957? Infringement determination requires a detailed claim-by-claim analysis comparing the composition of matter and intended use of the accused product against the granted claims of the patent once it is issued, along with consideration of any valid scope limitations.

5. What is the typical lifespan of patent protection in Japan for a new drug patent? In Japan, a standard patent term is 20 years from the filing date. However, for pharmaceuticals, it is possible to obtain patent term extensions to compensate for regulatory review periods, potentially extending the effective market exclusivity.


Citations

[1] Japan Patent Application JP2017178957A. (2017). Novel Compounds. Japan Patent Office.

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