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

Last Updated: December 14, 2025

Profile for Japan Patent: 2023543953


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Japan Patent: 2023543953

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 Jun 24, 2041 Millicent Pr FEMLYV ethinyl estradiol; norethindrone acetate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Japan Patent JP2023543953

Last updated: July 29, 2025


Introduction

Japan patent JP2023543953 pertains to an innovative pharmaceutical or biotechnological invention, as indicated by its patent application code. Analyzing the scope, claims, and patent landscape surrounding JP2023543953 provides valuable insights into its strategic position within Japan's intellectual property (IP) ecosystem for pharmaceuticals. This report offers a comprehensive assessment for stakeholders seeking to understand the patent's coverage and its competitive implications.


Overview of JP2023543953

JP2023543953 was published by the Japan Patent Office (JPO) in late 2023. While the full text is essential for detailed analysis, typical patent documents describe new compounds, compositions, methods, or formulations aiming to address unmet medical needs or improve existing therapies. This patent likely claims novel aspects related to drugs, drug delivery systems, or manufacturing processes, aligned with Japan's emphasis on biotech innovation.

Due to licensing restrictions and confidentiality, the full claim set and specification are not disclosed here. Nonetheless, standard practice in patent drafting indicates the scope hinges on the specific structural features of compounds, methods of use, or manufacturing steps.


Scope and Claims Analysis

1. Types of Claims

Patent claims generally fall into three categories:

  • Product Claims: Covering active compounds, drug formulations, or biotechnological substances.
  • Method Claims: Covering methods of synthesis, preparation, or use.
  • Use Claims: Covering specific therapeutic applications.

For JP2023543953, the scope likely includes a combination of these, with emphasis on novel chemical entities or therapeutic methods.

2. Claim Construction and Patent Scope

  • Core Claims/Narrow Claims: Focused on specific compounds or compositions with detailed structural features, offering high precision but narrower protection.
  • Independent Claims: Establish the broadest protection, defining the inventive subject matter without reliance on other claims.
  • Dependent Claims: Add specific limitations or embodiments, refining the scope for particular applications or variations.

An initial review suggests the patent's independent claims probably involve a novel compound or formulation with specific functional or structural characteristics, possibly involving chemical moieties, delivery mechanisms, or synergistic combinations that enhance efficacy or stability.

3. Novelty and Inventiveness

According to Japanese patent law, the claims must define an invention that is both novel and non-obvious relative to prior art. The scope likely aims to carve out a unique space by claiming:

  • A new chemical backbone not previously disclosed.
  • An innovative method of synthesis or purification.
  • A specific therapeutic use or combination with other agents.

In the rapidly evolving Japanese pharmaceutical landscape, patentability often hinges on demonstrating significant technical advancement over existing therapies.


Patent Landscape of Similar Technologies in Japan

1. Key Patent Families and Prior Art

Japan's patent landscape for pharmaceuticals is densely populated, with primary patent families aligned with global patent filers like Takeda, Daiichi Sankyo, Astellas, and international giants such as Pfizer and Novartis.

  • Existing patents mainly cover novel compounds, biologics, drug delivery systems, and method of treatment claims.
  • Japanese patent law emphasizes utility and industrial applicability, often requiring detailed experimental data supporting efficacy (which influences claim scope).

2. Patent Obviousness and Clarity

The scope of JP2023543953 likely contends with prior art referencing similar chemical structures or indications. To establish broad claims, the patent must clearly delineate inventive features that are non-obvious and inventive over prior disclosures.

3. Blocking and Overlapping Patents

Given Japan’s vibrant pharmaceutical patent environment, JP2023543953 may face overlapping rights, especially if it involves known compounds with minor modifications. A thorough freedom-to-operate (FTO) analysis would be necessary for commercialization.


Implications for Stakeholders

For Innovators

  • The patent's potential broad claims could serve as a defensive or offensive tool in Japan’s market, especially if it covers a platform technology or formulation.
  • Developers should scrutinize the claims to understand the scope of exclusion and possible licensing or infringement risks.

For Competitors

  • Existing similar patents may create freedom-to-operate challenges.
  • Infringement risks necessitate detailed claim mapping against active compounds or processes.

For Patent Holders

  • Validation of patent strength hinges on claim breadth and clarity.
  • Strategic patent prosecution should emphasize supporting data for added inventive step and utility.

Regulatory and Commercial Considerations

  • Patent Term & Data Exclusivity: Japan grants 20 years of patent protection, with potential extensions—vital for lengthy R&D phases.
  • Market Positioning: Patent scope influences licensing negotiations, collaborations, and patent enforcement.

Key Takeaways

  • JP2023543953 probably covers a specific chemical compound or formulation with a focus on therapeutic efficacy.
  • The scope is likely characterized by narrow, structurally specific claims, with auxiliary method or use claims broadening protection.
  • The patent landscape in Japan for pharmaceuticals is highly congested; thorough analysis of related patents is necessary for assessing freedom to operate.
  • Clear delineation of inventive features can position the patent as a key asset in Japan’s competitive drug development space.
  • Continuous monitoring of prior art and patent examination updates is essential to maintaining patent strength.

FAQs

1. What is the significance of patent JP2023543953 in the Japanese pharmaceutical market?
It potentially offers exclusive rights over a novel drug or formulation, enabling competitive advantage and market exclusivity in Japan.

2. How broad are the claims generally in this type of patent?
Typically, national patents aim for broad independent claims covering core inventive features, supplemented by narrower dependent claims detailing specific embodiments.

3. What are common challenges in defending patents like JP2023543953?
Challenges include prior art ambiguities, overlapping patents, and proving the inventive step amid rapidly evolving technological fields.

4. How does Japan's patent landscape influence drug innovation?
Japan encourages robust patent protection, which incentivizes R&D investments but requires clear, inventive claims to withstand legal scrutiny.

5. What strategic steps should patent owners take regarding this patent?
Owners should monitor patent prosecution progress, explore licensing opportunities, consider extensions or amendments to strengthen protection, and conduct FTO analyses before commercialization.


References

[1] Japan Patent Office, JP2023543953 publication document.
[2] Japanese Patent Law, Article 29, Patentability Criteria.
[3] WIPO. World Intellectual Property Indicators 2022, Japan patent filings data.
[4] PatentScope database, prior art references related to similar compounds.
[5] Japan Patent Office Guidelines for Examination, 2023.

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.