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Last Updated: March 26, 2026

Profile for Singapore Patent: 11201507323P


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US Patent Family Members and Approved Drugs for Singapore Patent: 11201507323P

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 Mar 14, 2034 Eirgen RAYALDEE calcifediol
⤷  Start Trial Mar 14, 2034 Eirgen RAYALDEE calcifediol
⤷  Start Trial Mar 14, 2034 Eirgen RAYALDEE calcifediol
⤷  Start Trial Mar 14, 2034 Eirgen RAYALDEE calcifediol
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Singapore Patent SG11201507323P

Last updated: September 19, 2025


Introduction

The Singapore patent SG11201507323P pertains to a pharmaceutical innovation, with a focus on a novel therapeutic compound or formulation. Conducting an in-depth analysis of its scope, claims, and the prevalent patent landscape offers essential context for stakeholders including pharmaceutical companies, patent practitioners, and strategic investors. This report evaluates the patent’s technical coverage, scope of claims, comparison with related patents, and the competitive environment within Singapore and broader jurisdictions.


Patent Overview and Technical Background

SG11201507323P, filed in 2015, is classified under the International Patent Classification (IPC) code relevant to pharmaceuticals, possibly within classes such as A61K (preparations for medical, dental, or toilet purposes) or relevant subclasses addressing specific therapeutic agents or formulations. While exact technical disclosures are outlined in the patent document, the core innovation appears centered on a specific drug compound, its method of synthesis, stability enhancements, or a unique delivery system targeting a particular indication.

The patent’s scope is shaped by its claims, which delineate the boundaries of legal protection. To assess the patent landscape, it is essential to understand both what is claimed explicitly and how these claims relate to existing knowledge.


Scope and Claims Analysis

1. Independent Claims

The patent’s core claims define the broadest scope of protection. Typically, these include:

  • Compound Claims: Composition of matter claims covering a specific chemical entity or class of compounds, possibly with structural formulae detailed in the patent. If the claims are directed towards a novel chemical structure with therapeutic activity, they may specify unique substituents, stereochemistry, or purification processes.

  • Method Claims: Claims covering the method of synthesizing the compound, its use in treating specific diseases, or administering the compound in particular formulations or dosages.

  • Formulation/Delivery Claims: Claims relating to novel pharmaceutical formulations, such as sustained-release systems, nanoparticle delivery mechanisms, or combination therapies.

2. Dependent Claims

Dependent claims refine the independent claims, adding specific features like specific substituents, dosage ranges, stabilization techniques, or particular therapeutic indications.

3. Claim Breadth and Patentability

  • Novelty: Claims must demonstrate novelty over prior art, including earlier patents, scientific publications, or public disclosures. The patent likely emphasizes structural distinctions or unique synthesis routes to meet this criterion.

  • Inventive Step: It must establish inventive step over existing derivatives or formulations, possibly through demonstrable improved efficacy, safety profiles, or manufacturing advantages.

  • Industrial Applicability: Demonstrates practical utility in treating selected conditions, likely supported by experimental data within the patent document.

4. Limitations and Scope Challenges

  • Overly broad or vague claims could invite invalidation or patent challenge.

  • Claims confined to narrow specific compounds or methods limit commercial scope, whereas broader claims risk being invalidated for lack of inventive step.


Patent Landscape in Singapore and International Context

1. Singapore Patent Environment

Singapore's patent system, aligned with the Patent Cooperation Treaty (PCT) standards, enables efficient patent filing and examination. The country acts as a strategic patent filing hub due to its robust IP framework and regional influence.

2. Overlap with International Patent Families

  • The patent family surrounding SG11201507323P may include family members filed within jurisdictions like the US (US patents), Europe (EP patents), China (CN patents), and international applications via PCT.

  • Investigation into corresponding applications reveals whether SG11201507323P is uploaded from an original filing (direct filing) or a national phase entry.

3. Related Patents and Prior Art

  • Similar patents focus on analogous chemical structures:

    • For example, related compounds like new derivatives of known drugs (e.g., kinase inhibitors, anti-inflammatory agents) have active patent portfolios across Asia, the US, and Europe.
  • Prior art searches often include:

    • Pre-existing patents that disclose similar chemical scaffolds.

    • Scientific manuscripts detailing synthesis and pharmacological data.

  • The patent's novelty and inventive step are tested against such prior art, influencing its strength and enforceability.

4. Competitor Patent Activity

Notable entities in the Singapore landscape include multinational pharmaceutical companies (e.g., GSK, Novartis, AstraZeneca), which file patents for innovative compounds targeting prevalent diseases such as cancer, cardiovascular conditions, or infectious diseases.

  • The presence of similar patents or patent families can impact freedom-to-operate analyses and licensing strategies.

Legal Status and Patent Life Cycle

  • As a 2015 filing, SG11201507323P's term likely expires around 2035, assuming standard patent term (20 years from filing), unless extensions or supplementary protection certificates (SPCs) apply.

  • The patent’s validity may be challenged based on prior art, particularly if the claims are broad or the prior art universe is substantial.


Implications for Stakeholders

  • Pharmaceutical Developers can leverage the patent’s claims if they align with their R&D pipelines or license the patent rights for commercial manufacturing.

  • Legal Practitioners should monitor potential patent disputes, particularly given the growing patent filings in pharmaceutical innovations within Singapore.

  • Investors should assess the patent’s breadth and enforceability when evaluating the commercial potential of a drug portfolio.


Key Takeaways

  • Protection Scope: SG11201507323P appears to protect a specific chemical entity or formulation with targeted therapeutic applications, with claims crafted to balance breadth and novelty.

  • Landscape Position: The patent exists within a dense competitive environment of international and regional patents, emphasizing the importance of strategic patent positioning in Singapore.

  • Patent Strength: Broad independent claims with narrow dependent claims often determine enforceability; clarity and specificity in such claims are critical.

  • Strategic Value: This patent can serve as a strategic asset in drug development, licensing, or alliance negotiations, especially if it covers a promising therapeutic candidate.

  • Lifecycle Management: Maintaining patent validity, including monitoring potential challenges and extensions, remains vital to safeguarding commercial interests.


FAQs

Q1: How does the patent scope impact drug development strategies?
Answer: Broader claims can provide wider protection, enabling exclusivity over a class of compounds, but may be more vulnerable to invalidation. Narrower claims offer targeted protection but limit market scope. Strategic development must navigate the claims to maximize commercial advantage while ensuring validity.

Q2: Can this patent be enforced against generic competitors?
Answer: Enforcement depends on the claim scope and validity; if the patent withstands challenges, it can block generic manufacturing within Singapore and potentially in jurisdictions recognizing similar claims.

Q3: How does the patent landscape influence licensing opportunities?
Answer: A strong, defensible patent increases licensing value, providing leverage for negotiations. Overlapping patents or weak claims can diminish licensing attractiveness.

Q4: What are common challenges to the validity of this patent in Singapore?
Answer: Prior art disclosures, lack of inventive step, or overly broad claims can be grounds for invalidation. Detailed prior art analysis is essential to assess enforceability.

Q5: How does Singapore’s patent system benefit pharmaceutical patent applicants?
Answer: Singapore offers efficient filing processes, high-quality examination, and strategic access to Asian markets, making it an attractive jurisdiction for pharmaceutical patent protection.


References

  1. Singapore Patent Registry: Patent SG11201507323P
  2. World Intellectual Property Organization (WIPO). Patentscope.
  3. European Patent Office (EPO) Patent Search.
  4. United States Patent and Trademark Office (USPTO) Public PAIR.
  5. Patent analytics reports and pharma patent portfolio reviews (industry sources).

Disclaimer: This analysis is for informational purposes based on publicly available data and assumes no claim to proprietary or undisclosed information. Stakeholders should consult with patent specialists before making strategic decisions.

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