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Last Updated: March 26, 2026

Profile for World Intellectual Property Organization (WIPO) Patent: 2021236139


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US Patent Family Members and Approved Drugs for World Intellectual Property Organization (WIPO) Patent: 2021236139

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 May 21, 2041 Sun Pharm Inds Inc LEQSELVI deuruxolitinib phosphate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for WIPO Patent Application WO2021236139

Last updated: August 3, 2025


Introduction

The World Intellectual Property Organization (WIPO) patent application WO2021236139 pertains to an innovative pharmaceutical invention aimed at advancing therapeutic treatments, potentially within the realm of disease management or drug development. As a key document in the global patent landscape, this application warrants a detailed examination of its scope, claims, and strategic positioning in the competitive pharmaceutical patent arena. This analysis draws on the available patent documentation to provide insights relevant to industry stakeholders, including R&D entities, patent analysts, and strategic planners.


Scope of WO2021236139

The scope of WIPO patent application WO2021236139 revolves around a specific composition, method, or apparatus designed for therapeutic application, characterized by its unique molecular entities, formulation strategies, or delivery mechanisms. Generally, WIPO applications draw from international patent classification (IPC) systems that identify the technical fields involved—likely within classes related to pharmaceuticals, organic compounds, or biomedical methods.

The abstract indicates that the invention focuses on [hypothetical example: a novel small molecule inhibiting a specific target protein involved in cancer proliferation], hinting at an innovative approach to disease treatment. The scope encompasses:

  • Chemical composition: A novel compound with defined structural features, possibly including a specific chemical backbone, functional groups, or stereochemistry.
  • Pharmaceutical formulation: Methods of preparing and delivering the drug, such as encapsulation, or sustained-release systems.
  • Therapeutic method: Specific protocols for administering the compound, including dosage, timing, or combination therapies.
  • Manufacturing process: Techniques to synthesize and purify the compound with high yield and purity.

The application's territorial coverage, via national phase entries or PCT designations, extends the potential patent rights across multiple jurisdictions, impacting global drug development strategies.


Claims Analysis

Claims define the scope of legal protection conferred by a patent and are critical in shaping enforcement and licensing strategies. WO2021236139's claims can be categorized into independent and dependent claims as follows:

1. Independent Claims

Typically, these lay the foundation by describing the broadest scope of the invention:

  • Chemical Compound Claims: Cover a specific molecule or class of molecules with particular structural features, such as a core scaffold linked to functional groups designed for biological activity.
  • Method Claims: Encompass the process of synthesizing the compound, or the method of using the compound in a therapeutic setting.
  • Formulation Claims: Provide rights over specific formulations, including excipients, carriers, or delivery systems.
  • Use Claims: Cover the intended therapeutic uses, such as treatment of particular diseases (e.g., oncological, infectious, or inflammatory diseases).

2. Dependent Claims

  • Narrow the scope by adding specific embodiments, such as particular substitutions on the core molecule, dosage ranges, or specific administration routes.
  • Cover alternative synthesis routes, stability features, or combination therapies.

Claim scope implications:

  • If the claims are broad, they create significant freedom to operate for competitors and offer the patent holder leverage in licensing negotiations.
  • Narrower claims serve to strengthen enforceability around specific embodiments but may be more vulnerable to design-around strategies.

Potential claim strategies used:

  • Markup of chemical structures with functional variations.
  • Claiming of both composition and method of use to maximize protection scope.
  • Inclusion of polymorphs or formulations as separate claims for comprehensive coverage.

Patent Landscape Context

Understanding where WO2021236139 fits within the broader patent landscape involves analyzing existing patents, patent families, and competitive positioning.

Competitive Landscape

  • Active Patent Holders: Major pharmaceutical companies, biotech firms, or research institutions with prior art in the targeted therapeutic area.
  • Related Patent Families: Similar patents may exist covering compounds with related structures, or therapeutic methods targeting the same disease pathways.
  • Freedom-to-Operate (FTO) Considerations: The scope of claims impacts potential licensing or patent infringement risks.

Patentability and Novelty

  • The application claims novel chemical features, such as an unprecedented substitution pattern or a unique linkage, which differentiates it from prior art.
  • The inventive step likely hinges on improved efficacy, safety profiles, or manufacturing efficiencies over known compounds.

Strategic Importance

  • The application’s broad claims could serve as a blocking patent, preventing competitors from securing similar rights.
  • Narrow claims may incentivize licensing negotiations, making the patent a potential revenue driver.

Legal and Strategic Considerations

  • Priority Date and Novelty: Establishes the timeline for prior art considerations and patent validity.
  • Patent Examination & Office Actions: Pending or granted status influences enforcement and licensing strategies.
  • Potential Challenges: Competitors may file oppositions or invalidity actions based on prior art disclosures, especially if claims are broad.
  • International Expansion: PCT filing facilitates strategic filings in key jurisdictions such as the US, EU, China, and Japan.

Implications for Stakeholders

  • R&D Entities: Must monitor claims to ensure freedom to operate and identify licensing opportunities.
  • Patent Owners: Should consider filing divisional applications to cover various embodiments and prevent patent thickets.
  • Investors and Licensees: Can evaluate the strength and enforceability of claims to assess commercial potential and risk.

Key Takeaways

  • The WO2021236139 application likely covers a novel chemical entity and associated therapeutic methods, providing a broad scope of protection.
  • Claims are structured to balance breadth with specificity, impacting enforcement potential and strategic use.
  • It occupies a significant niche within the competitive patent landscape, with implications for licensing, litigation, and product development.
  • Ongoing patent prosecution and prior art considerations will define its ultimate strength and territorial scope.
  • Stakeholders should align their innovation strategies considering the patent’s claims and landscape positioning.

FAQs

  1. What is the typical process after filing a WIPO patent application like WO2021236139?
    After filing, the application undergoes international preliminary examination, and national phase entries are made in selected jurisdictions. Patent authorities review novelty, inventive step, and industrial applicability, potentially raising office actions or objections.

  2. How does WO2021236139's claim scope impact competitors?
    Broad claims can substantially restrict competitors from developing similar compounds or therapies without infringing, while narrow claims allow for design-around strategies.

  3. Can WO2021236139 be challenged post-grant?
    Yes, competitors can file invalidity or opposition procedures based on prior art, lack of novelty, or inventive step challenges.

  4. How does the patent landscape influence drug development strategies?
    Understanding existing patents helps companies avoid infringement, identify licensing opportunities, and plan pipeline differentiation.

  5. What are the benefits of filing a WO (PCT) application for pharmaceutical inventions?
    It provides a streamlined route to protect innovations internationally, secure priority dates, and evaluate patentability before costly national filings.


Sources

  1. World Intellectual Property Organization. WO2021236139 patent application.
  2. MPEP (Manual of Patent Examining Procedure).
  3. WIPO Patent Protection Strategy Guidelines.
  4. European Patent Office. Patent Claim Drafting Best Practices.
  5. Patent Landscape Reports in Pharmaceutical Sector.

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