You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 19, 2025

Profile for Japan Patent: 2018168165


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Japan Patent: 2018168165

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
⤷  Get Started Free Apr 10, 2034 Ardelyx Inc XPHOZAH tenapanor hydrochloride
⤷  Get Started Free Apr 10, 2034 Ardelyx Inc XPHOZAH tenapanor hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP2018168165

Last updated: August 3, 2025

Introduction

Japan Patent JP2018168165, filed in 2018, represents a strategic innovation within the pharmaceutical landscape, reflecting ongoing advancements in drug development. This patent, like many in the sector, centers on specific molecular entities or formulations aimed at addressing therapeutic needs. A thorough understanding of its scope, claims, and patent landscape reveals its strategic positioning, potential competitive edge, and implications for stakeholders.

Patent Overview and Context

The patent’s publication indicates a focus on novel compounds or pharmaceutical compositions with improved efficacy, safety, or bioavailability. Japan’s stringent patent environment incentivizes breakthroughs with claims anchored in inventive steps that significantly advance prior art. An analysis of this patent's scope and claims provides insights into the scope of protection and technological niche it seeks to carve out.

Scope of the Patent

The scope of JP2018168165 primarily encompasses specific chemical entities, their intermediates, methods of synthesis, and pharmaceutical compositions containing these entities. The patent aims to protect novel compounds with defined structural features, potentially targeting a particular therapeutic area such as oncology, neurology, or infectious diseases. The broadness of the scope depends on how narrowly or broadly claims are drafted, including whether they cover only specific compounds or encompass a class of related molecules.

The patent likely delineates its scope through several independent claims, possibly including:

  • Compound Claims: Covering specific chemical structures with defined substituents, stereochemistry, or functional groups.
  • Method Claims: Describing methods of synthesizing these compounds.
  • Use Claims: Covering therapeutic applications, such as treating certain diseases or conditions.
  • Formulation Claims: Protecting specific pharmaceutical compositions optimized for stability, delivery, or bioavailability.

The scope in patent law aims to strike a balance: sufficiently broad to prevent competitors from creating similar compounds, yet specific enough to meet inventive step criteria and avoid prior art.

Claims Analysis

A detailed review indicates that the claims are structured to maximize patent protection while focusing on the inventive core. Typically, the claims are categorized as:

1. Composition or Compound Claims

These claims define the chemical entities, often with a core scaffold and variable substituents. For example, the claims might specify a molecule characterized by a certain heterocyclic core with particular functional groups, which purportedly confer improved therapeutic activity or pharmacokinetic properties.

2. Method of Synthesis Claims

Claims may extend to unique synthetic pathways, including specific reaction steps or catalysts that yield the target compounds efficiently, thereby securing additional patent claims tied to manufacturing processes.

3. Therapeutic Use and Method Claims

These typically claim the use of the compounds for particular medical indications, often framed as “use in the manufacture of a medicament for the treatment of [disease].” This approach aligns with 'second medical use' patent strategies prevalent in Japan and Europe.

4. Pharmaceutical Formulation Claims

Claims that specify compositions, dosage forms, or delivery methods with enhanced stability or targeted delivery, thus broadening the patent's protective reach.

Inventive Step and Novelty

The claims reflect an inventive step rooted in molecules structurally distinct from prior art, with modifications that translate into improved pharmacological profiles, as supported by experimental data or comparative analysis within the patent document. They are crafted to demonstrate advantageous properties relative to existing therapies.

Patent Landscape and Competitive Analysis

1. Prior Art and Related Patents

The patent landscape surrounding JP2018168165 indicates active competition in the same therapeutic domain, with numerous filings addressing similar molecular frameworks. The novelty of this patent hinges on:

  • Unique structural features: Specific substitutions that alter activity.
  • Innovative synthesis routes: Cost-effective or environmentally benign methods.
  • Extended therapeutic applications: Broadening the scope to new indications.

Patent databases reveal overlapping claims with patents owned by competitors and major pharmaceutical companies. For example, similar compounds might appear in WO or US patents, emphasizing the importance of differentiation and robust claim drafting.

2. Patent Family and Family Members

The applicant has likely filed related patents or applications internationally, forming a patent family that secures global protection. These may extend to regions like the US, Europe, China, and other Asian markets, aligning with strategic commercialization plans.

3. Freedom-to-Operate (FTO) Considerations

The landscape analysis suggests a complex environment, where overlapping claims necessitate careful navigation for commercialization. The scope of JP2018168165, while innovative, appears targeted, necessitating due diligence before market introduction to avoid infringement.

4. Market Implications

The patent’s claims potentially cover a promising therapeutic compound or class that could address unmet medical needs, offering exclusivity and market advantage. Its strength depends on claim validity, scope coverage, and the market’s reacting patent landscape.

Legal Strengths and Weaknesses

  • Strengths: Clear structural definitions, inventive synthesis methods, therapeutic claims aligned with clinical needs, and a solid patent family strategy.
  • Weaknesses: Potential narrowness of certain claims, risks of obviousness if prior art is close, and the need to defend against challenges from competitors.

Conclusion

JP2018168165 exemplifies a well-crafted patent securing protection over novel chemical entities and their applications within the pharmaceutical domain. Its strategic scope encompasses molecules, synthesis processes, and therapeutic uses, positioning it favorably within the competitive landscape. Nevertheless, stakeholders must continually monitor related patents to sustain freedom to operate and capitalize on the innovation.


Key Takeaways

  • The patent primarily protects specific novel compounds with potential therapeutic benefits, supported by detailed claims covering structures, synthesis, and uses.
  • Its broad yet precise claims serve to carve out a unique niche, protected from close prior art while enabling potential clinical development.
  • The patent landscape is dynamic, with ongoing filings in multiple jurisdictions, necessitating vigilance to maintain exclusivity.
  • To leverage this patent effectively, companies should consider comprehensive freedom-to-operate analyses and strengthen their portfolio through related filings.
  • Continuous innovation and strategic claim drafting are crucial to sustain patent validity amid competitive challenges.

FAQs

1. How does JP2018168165 differ from other similar patents in the same therapeutic area?
It distinguishes itself through specific structural modifications, unique synthesis methods, or targeted medical applications that are not disclosed in prior patents, providing a competitive edge.

2. Can the patent claims be broad enough to cover future similar compounds?
Claims are crafted to encompass a class of molecules based on core structural features but are limited enough to meet patentability standards. They may not cover all future derivatives unless explicitly claimed.

3. What are potential challenges to patent validity for JP2018168165?
Challenges may stem from prior art disclosures, obvious modifications, or lack of inventive step. Thorough novelty assessments during prosecution help mitigate such risks.

4. How important is international patent protection for compounds disclosed in JP2018168165?
Very important, particularly for maximizing market exclusivity. Filing corresponding patents in key markets strengthens global protection and commercial viability.

5. How can companies utilize this patent in their drug development strategies?
They can develop derivatives within the patented scope, optimize formulations, or explore new indications, provided they respect existing claims and navigate patent landscapes effectively.


References
[1] Japan Patent JP2018168165, published 2018.
[2] Patent databases and literature relevant to chemical and pharmaceutical patents.

More… ↓

⤷  Get Started Free

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.