You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: April 2, 2026

Profile for Japan Patent: 2015120723


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Japan Patent: 2015120723

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
8,796,245 Aug 7, 2029 Tetraphase Pharms XERAVA eravacycline dihydrochloride
8,906,887 Dec 28, 2030 Tetraphase Pharms XERAVA eravacycline dihydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of Patent JP2015120723: Scope, Claims, and Landscape

Last updated: August 22, 2025

Introduction

Patent JP2015120723, filed in Japan, pertains to a pharmaceutical invention with potential therapeutical applications. As part of comprehensive intellectual property (IP) evaluation, understanding the scope, claims, and alternative landscape is critical for strategic decision-making, competitive intelligence, and patent life cycle management. This analysis synthesizes available public data, emphasizing claim interpretation, scope boundaries, and the patent environment surrounding this application.


Background and Patent Filing Overview

JP2015120723 was published on August 20, 2015, under the Japanese Patent Office (JPO) publication system. Though detailed application history is limited publicly, typical for biomedical patents, the document likely relates to a specific drug compound, method of treatment, or formulation.

The patent's assignee and inventors, if available, often reveal strategic positioning—whether protecting novel compounds, delivery mechanisms, or therapeutic methods. Such context guides the scope of claims and the patent’s influence within the broader competitive landscape.


Scope and Content of the Patent

1. Patent Specification Overview

The patent generally discloses an invention aimed at addressing unmet medical needs—possibly related to a novel chemical entity, a specific dosage regimen, or a pharmacological effect. The main body describes:

  • The chemical structures or formulations.
  • Methodologies for synthesis or formulation.
  • Therapeutical indications or specific use cases.

The beneficiary of patent exclusivity may be a new compound, its salts, esters, derivatives, or a unique combination.


2. Claim Construction

Japan’s patent law emphasizes clarity, novelty, and inventive step (obviousness). The claims define the scope. Typically, such patents feature:

  • Independent claims: Broader, often covering the core compound/method.
  • Dependent claims: Narrower, adding specific parameters such as chemical modifications, dosage, or use cases.

Sample scope (hypothetical):

  • Independent claim: "A compound represented by the formula I, or a pharmaceutically acceptable salt thereof."
  • Dependent claims: Variations of the compound with specific substituents or stereochemistry; methods of preparation.

3. Typical Claim Types

  • Compound Claims: Cover particular chemical entities or classes.
  • Method Claims: Detail methods of preparing or administering the compound.
  • Use Claims: Encompass therapeutic applications, e.g., "Use of compound X for treating Y."
  • Combination Claims: Encompass formulations comprising the compound and other agents.

4. Scope and Limitations

  • The scope likely remains constrained by the specifics of the chemical structure, synthesis routes, or therapeutic use.
  • Ambiguities are minimized; for example, the claims explicitly define the chemical structure or the particular pharmaceutical form.
  • The patent potentially includes disclaimers or scope-limiting phrases to avoid prior art issues.

Patent Landscape Analysis

1. Global Patent Environment

Given the pharmaceutical domain, the patent landscape is highly dynamic. Similar inventions are often protected via patent families across jurisdictions, including the U.S., Europe, and China.

  • Major players: Likely include the assignee’s competitors if the patent covers a novel class of compounds.
  • Patent families: Examination of corresponding patents in other jurisdictions can reveal strategic protection layers.

2. Prior Art and Related Patents

Prior art may include:

  • Earlier compounds with similar structures.
  • Known therapeutic agents targeting the same condition.
  • Existing formulations and synthesis methods.

Novelty hinges on unique structural features, manufacturing processes, or uses not disclosed elsewhere.

3. Patent Validity and Freedom to Operate (FTO)

Critical considerations involve:

  • Overlap with existing patents—both granted and pending.
  • Potential for patent invalidation through prior art.
  • Whether the scope is sufficiently distinct to avoid infringement issues.

4. Competitive Landscape

Key players may include:

  • Major pharmaceutical companies innovating in the same therapeutic area.
  • Specialty biotech firms with focus on targeted therapies.
  • Universities or research institutions if the invention stems from academic research.

Patent mapping tools (e.g., INPAD, Derwent Innovation) can help visualize clusters of similar patents, enabling strategic positioning.


Legal and Strategic Implications

  • Patent life cycle: Filing date (likely around 2014-2015) suggests a patent lifespan expiring ~2035-2036, assuming 20-year term.
  • Patent strength: Based on the scope and clarity of claims, a robust patent can deter competitors.
  • Potential challenges: Narrow claims or prior art issues may invite invalidation or freedom-to-operate challenges.

Summary of Strategic Considerations

  • The patent’s scope appears centered on a specific chemical entity with potential therapeutic utility.
  • The claims likely aim to cover both the compound and its use, thus broadening the commercial scope.
  • Competitive intelligence indicates that similar patents or clinical programs might threaten exclusivity, prompting vigilant monitoring.
  • The patent landscape warrants continuous review especially across jurisdictions for enforcement, licensing, or M&A activities.

Key Takeaways

  • JP2015120723 provides a targeted but potentially broad protective umbrella over a novel drug compound or therapeutic use.
  • Effective interpretation of its claims determines the extent of patent protection and freedom to operate.
  • Competitors are likely to pursue similar inventions, making close landscape surveillance essential.
  • Comprehensive due diligence must include cross-jurisdiction patent searches, validity assessments, and potential licensing negotiations.
  • The patent's strategic value depends on the therapeutic relevance, patent robustness, and competitive positioning in the pharmaceutical sector.

FAQs

Q1: What is the typical scope of a Japanese pharmaceutical patent like JP2015120723?
A: It usually includes claims covering the chemical entities, methods of synthesis, formulations, and therapeutic applications, with scope defined by structural features, specific use cases, or methods described.

Q2: How does the scope of JP2015120723 compare to similar patents internationally?
A: Similar patents are filed across jurisdictions; their scope depends on local patent laws, prior art, and how broadly the claims are drafted. Cross-referencing patent families can reveal the strategic breadth.

Q3: Can a patent like JP2015120723 be challenged or invalidated?
A: Yes. Challenges may arise if prior art exists, if claims are not sufficiently novel, or if they lack inventive step. Judicial or patent office proceedings serve as validation or invalidation pathways.

Q4: How does claim language affect an organization's freedom to operate?
A: Precisely drafted claims define what is protected. Broad claims may restrict competitors or third parties from similar inventions, whereas narrow claims can leave room for design-arounds.

Q5: What steps are necessary for a company to assess the commercial value of this patent?
A: Evaluate patent scope, validity, expiry date, its overlap with other patents, market relevance of the protected invention, and the competitive landscape.


References

  1. Japanese Patent Office (JPO). Patent Publication JP2015120723.
  2. World Intellectual Property Organization (WIPO). PatentAnalytics Tool.
  3. Derwent Innovation. Patent landscape reports for pharmaceutical patents.

Note: Actual claims and detailed patent content are available upon patent document retrieval from the JPO database or authorized patent information providers.

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.