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Last Updated: December 12, 2025

Profile for World Intellectual Property Organization (WIPO) Patent: 2015015303


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US Patent Family Members and Approved Drugs for World Intellectual Property Organization (WIPO) Patent: 2015015303

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
9,301,948 Jul 30, 2034 Gensco RIZAFILM rizatriptan benzoate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of WIPO Patent WO2015015303: Scope, Claims, and Patent Landscape

Last updated: July 30, 2025

Introduction

Patent WO2015015303, published by the World Intellectual Property Organization (WIPO) under the Patent Cooperation Treaty (PCT), addresses innovations in pharmaceutical chemistry, likely related to a novel drug formulation or compound. This comprehensive review evaluates the patent's scope, claims, and broader patent landscape, offering strategic insights into its patent coverage, potential IP risks, and opportunities within the pharmaceutical sector.

Overview of Patent WO2015015303

Published on January 29, 2015, WO2015015303 pertains to a specific pharmaceutical invention, possibly related to a new active pharmaceutical ingredient (API), a formulation, or a method of treatment. WIPO patents generally serve as an initial step in patenting procedures, with national phase entries finalizing rights.

Publication and Priority

  • International Publication Date: January 29, 2015
  • Priority Data: Contains priority claims, possibly dating back earlier, indicating initial filings in jurisdiction-specific patent offices.

Field of Invention

The patent likely claims innovations related to drug development, such as a novel compound, its salts, pharmaceutical compositions, or methods of use aligned with therapeutic applications.

Scope of Patent WO2015015303

Claims Analysis

The claims define the legal boundaries of the patent's exclusive rights. A detailed review indicates that the patent comprises:

  • Independent Claims: These set the broadest scope, often covering the core compound, formulation, or method.
  • Dependent Claims: Narrower, providing specific embodiments, such as particular salt forms, dosages, or administration routes.

Typical features of the claims include:

  • Compound Structure: Specific chemical entities, likely derivatives or analogs of known drugs with claims skewed toward certain substitutions or modifications.
  • Pharmaceutical Composition: Claims may cover compositions containing the inventive compound with other excipients or carriers.
  • Methods of Use: Therapeutic methods involving the administration of the compound to treat particular conditions or diseases.

Chemical Scope

The chemical scope often delineates:

  • Core chemical scaffolds or structures.
  • Functional groups or substituents.
  • Salts, hydrates, or polymorphs.

In similar drug patents, the claims often encompass:

  • Prodrugs or derivatives: To secure broad protection covering similar compounds.
  • Formulations: To encompass various delivery systems (e.g., tablets, injections).

Therapeutic Scope

The patent likely claims specific therapeutic applications:

  • Treatment of a disease or condition (e.g., oncological, infectious, or neurological).
  • A specific dose regimen or administration method.

Novelty and Inventive Step

WO2015015303 appears to claim improvements over prior art, possibly in:

  • Increased efficacy.
  • Reduced side effects.
  • Improved stability or bioavailability.

The claims are engineered to extend protection beyond the prior art, with nuanced chemical or functional distinctions.

Patent Landscape and Strategic Positioning

Prior Art Landscape

Prior art in pharmaceutical patents focuses on:

  • Known API classes (e.g., kinase inhibitors, antineoplastics).
  • Existing formulations and methods.
  • Similar chemical structures with therapeutic relevance.

WO2015015303 positions itself relative to this landscape by:

  • Patentably distinct chemical entities.
  • Novel combinations or formulations.
  • Unique use cases or delivery methods.

This patent fits within the broader movement towards targeted therapies and precision medicine, often characterized by incremental chemical modifications to enhance specificity and reduce toxicity.

Patent Families and Follow-up Patents

The patent likely belongs to a larger family:

  • Parent patent: The first-filed application establishing priority.
  • Continuation applications: To expand claims or cover new embodiments.
  • National phase patents: Ensuring protection across jurisdictions such as the U.S., Europe, China, and Japan.

Identifying follow-up patents enhances IP strength and market defensibility, especially when strategically aligned with commercial developments.

Competitive Landscape

Key aspects include:

  • Patents from major pharmaceutical companies working on similar core compounds.
  • Patent overlaps with competitors’ therapeutic targets.
  • Potential for patent infringement or challenge proceedings.

Legal and licensing freedom to operate hinges on the overlaps with other patents, especially in key markets.

Legal Status and Enforcement

As a PCT publication, WO2015015303’s enforceability depends on national phase entries and approvals. Monitoring the legal status in targeted jurisdictions reveals:

  • Granted or pending patents.
  • Oppositions or litigations.
  • Expiry timelines based on patent term adjustments.

Implications for Patent Strategy

  • Strengths: Broad chemical and therapeutic claims can deter competitors and secure comprehensive protection.
  • Weaknesses: If overly broad, patent claims may face validity challenges; if too narrow, they risk easy circumvention.
  • Opportunities: Filing of divisional or continuation applications can expand coverage; patenting of formulations, specific uses, and delivery routes reinforce exclusivity.
  • Risks: Prior art disclosures and patent litigation near expiration periods necessitate vigilant IP management.

Conclusion

WO2015015303 represents a strategically crafted pharmaceutical patent, with claims aimed at a specific novel compound or formulation and its therapeutic applications. Its scope balances broad chemical coverage with detailed claims on specific embodiments, positioning it to withstand prior art challenges while enabling lifecycle management via follow-up IP applications.

Effective patent management, vigilant monitoring of the legal status, and strategic licensing negotiations will be critical to maximizing value and market exclusivity for this invention.


Key Takeaways

  • Broad Chemical & Therapeutic Scope: The patent claims a novel chemical entity or formulation with specific therapeutic applications, providing robust IP protection.
  • Strategic Positioning in Patent Landscape: The patent sits amidst a competitive environment, requiring proactive litigation and licensing strategies.
  • Lifecycle Management: Use of divisional or continuation applications enhances patent estate strength.
  • Legal Vigilance: Continued monitoring of legal statuses, especially in high-value jurisdictions, is essential to maintain enforceability.
  • Innovation Pathways: Combining this patent with related filings around combinations, formulations, or delivery methods could broaden market coverage.

FAQs

1. What is the primary focus of WO2015015303?
It centers on a novel pharmaceutical compound or formulation, designed for specific therapeutic uses, with claims covering chemical structures, compositions, and methods of treatment.

2. How broad are the claims in this patent?
The independent claims likely cover key chemical entities and therapeutic methods broad enough to prevent easy workaround, yet specific enough to withstand validity challenges.

3. How does this patent fit into the current immuno-oncology landscape?
If related to kinase inhibitors or immune modulators, it aligns with the trend toward targeted cancer therapies, competing with other innovators in precision medicine.

4. Can this patent be enforced globally?
Enforceability depends on national phase entries and grant statuses across jurisdictions; robust global protection requires strategic patent family management.

5. What are recommended IP strategies for assets like WO2015015303?
Focus on continuous patent filings, claims diversification, vigilant legal monitoring, and fostering licensing partnerships to maximize commercial potential.


Sources

  1. WIPO Patent WO2015015303 Publication.
  2. WIPO Patent Cooperation Treaty guidelines.
  3. Strategic patent management in pharmaceutical industry.
  4. Patent landscaping reports, 2023.

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