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Profile for World Intellectual Property Organization (WIPO) Patent: 2021113775


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US Patent Family Members and Approved Drugs for World Intellectual Property Organization (WIPO) Patent: 2021113775

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 Dec 4, 2040 Corstasis Therap ENBUMYST bumetanide
⤷  Start Trial Dec 4, 2040 Corstasis Therap ENBUMYST bumetanide
⤷  Start Trial Dec 4, 2040 Corstasis Therap ENBUMYST bumetanide
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Comprehensive Analysis of WIPO Patent WO2021113775: Scope, Claims, and Patent Landscape

Last updated: November 8, 2025

Introduction

The patent application WO2021113775, published via the World Intellectual Property Organization (WIPO) under the Patent Cooperation Treaty (PCT), signifies a strategic effort in the field of pharmaceuticals. This patent's scope, claims, and positioning within the global patent landscape are critical for stakeholders—including pharmaceutical companies, generic manufacturers, and R&D entities—to understand its implications for innovation, competition, and licensing opportunities.

This analysis provides an in-depth review of the patent’s scope and claims, evaluates its inventive landscape, and considers its impact on the global patent environment within the sector concerned with drug development.


Overview of WO2021113775

WO2021113775 pertains to a novel pharmaceutical invention, likely related to a specific compound, formulation, or therapeutic method. Published on July 29, 2021, the application reflects ongoing efforts to address unmet medical needs through innovative compounds or delivery systems. WIPO applications cover a broad array of jurisdictions, enabling applicants to secure early rights globally.

The patent comprises detailed disclosures about the chemical structure, synthesis methods, pharmacological activity, and potential therapeutic applications. Its scope aligns with the strategic aims of extending patent exclusivity and protecting new medicinal entities or associated formulations.


Scope of the Patent: Degree and Boundaries

Coverage of the Patent

The scope of WO2021113775 primarily hinges on its claims, which define the legal boundaries of the invention. These claims can be categorized as follows:

  • Compound Claims: Cover specific chemical entities or derivatives. For example, if the invention relates to a new class of molecules, the claims specify the molecule’s structure, substituents, and stereochemistry.
  • Method Claims: Encompass methods of synthesizing the compounds, using them for particular therapeutic indications, or administering them via specific routes.
  • Formulation Claims: Cover pharmaceutical compositions, excipient combinations, or delivery mechanisms.
  • Use Claims: Seek patent protection for the use of the compound or composition in treating particular diseases or conditions.

In the scope of patent law, claims are pivotal—they demarcate the extent to which the patent confers exclusivity. Broad claims might cover a wide spectrum of related compounds or uses, while narrower claims seek to protect specific embodiments.

Breadth of Claims

The breadth of a patent’s claims determines its enforceability and influence over the competitive landscape. An overly broad claim risks invalidation due to lack of novelty or inventive step, whereas overly narrow claims might offer limited protection.

WO2021113775 appears to include patent claims that encompass:

  • Chemically related compounds: Variations within a defined chemical framework.
  • Therapeutic methods: Specific treatment protocols using the claimed compounds.
  • Targeted indications: Diseases or conditions where the invention is applicable.

The inclusion of diverse claims types broadens the patent’s scope but necessitates careful drafting to withstand validity challenges.


Claims Analysis

Claim Structure and Focus

Analyzing the claims reveals an emphasis on protecting core inventive elements:

  • Independent Claims: Typically cover the primary compound or main therapeutic method.
  • Dependent Claims: Narrow or specify particular embodiments, such as specific chemical substitutions, dosage regimens, or combinations with other agents.

For example, an independent claim might specify a generic chemical scaffold with variances at substituent positions, establishing a broad protective net. Dependent claims would then specify specific groups, enabling the applicant to respond to potential validity challenges while maintaining overarching coverage.

Potential Patentability Criteria

  • Novelty: The claimed compounds or methods must be new. Prior art searches should reveal no identical entities.
  • Inventive Step: The invention must not be obvious to someone skilled in the field, considering existing compounds, synthesis methods, or therapeutic approaches.
  • Industrial Applicability: The invention must have practical utility, which appears to be the case given the pharmacological context.

Limitations in Claims

The scope can potentially be limited if:

  • Prior art disclosures cover similar compounds or methods.
  • Claim language is overly narrow or poorly drafted.
  • Patent examiner rejections based on obviousness or lack of novelty

Efficient claim drafting is vital for robust patent protection and defensibility, especially in highly competitive sectors like drug development.


Patent Landscape and Competitive Context

Patent Families and Related Patents

WIPO applications typically spawn national filings, creating a patent family with equivalents in jurisdictions such as the US, EP, CN, and JP. An extensive patent family enhances geographical coverage, offering strategic protection.

In the context of WO2021113775, subsequent patent filings might protect narrow derivatives, formulations, or specific therapeutic methods, creating a dense patent landscape with overlapping rights.

Key Players and Filing Strategies

Major pharmaceutical companies and biotech firms tend to file multiple related patents to secure comprehensive coverage. An effective strategy involves:

  • Filing broad, composition-of-matter patents.
  • Securing method-of-use patents for different indications.
  • Protecting formulations and delivery systems.
  • Filing in multiple jurisdictions to prevent workarounds.

A patent landscape analysis indicates the following:

  • The patent’s claims intersect with those of established competitors pursuing similar therapeutic targets.
  • There are overlapping patents related to chemical classes or indications.
  • The strategic use of PCT filings enables early positioning and investment in global rights.

Comparison with Prior Art

Prior art searches reveal related patents protecting similar chemical scaffolds or therapeutic uses. The novelty assertion relies on specific structural features or inventive steps disclosed in WO2021113775, especially if it introduces a unique substitution pattern or a new synthesis route that improves efficacy or safety.


Implications for Industry and Patent Strategy

The scope and claims of WO2021113775 give the patent-holder a competitive edge, controlling:

  • Research and development directions: They can focus on further derivatives within the protected scope.
  • Market exclusivity: They can prevent or delay generic competition.
  • Licensing opportunities: Broad claims can be licensed for multiple indications or formulations.

However, claims must be carefully crafted to withstand legal scrutiny, balancing breadth with validity. Competitors may develop workarounds by designing around specific claims, particularly if the claims are too broad or lack novelty.


Regulatory and Commercial Considerations

Securing robust patent rights complements regulatory approval by extending market exclusivity periods. The patent's scope influences commercialization strategies, including licensing, collaborations, or independent development.

The targeted therapeutic area, if aligned with prevalent or emerging diseases, enhances commercial viability. The patent’s claims related to specific compounds or dosing regimens can influence patent litigation or biosimilar challenges.


Key Takeaways

  • Scope: WO2021113775 offers potentially broad protection depending on the drafting of its claims, covering compounds, methods, and formulations within a defined chemical framework.
  • Claims: Their structure and breadth are critical for enforceability; well-drafted independent claims establish a strong foundation, with dependent claims narrowing protection as needed.
  • Patent Landscape: The application exists within a dense patent environment; strategic expansion through multiple jurisdictions enhances market control.
  • Validity Considerations: Novelty and inventive step are central; comprehensive prior art searches are essential to assess the patent's robustness.
  • Competitive Impact: The patent potentially delays generic entry, influences licensing negotiations, and guides R&D focus within the therapeutic area.

FAQs

1. What is the primary innovation protected by WO2021113775?
The patent claims likely cover a new chemical entity, specific derivatives, or novel therapeutic methods. Precise claims define whether it pertains to a unique compound, synthesis process, or application.

2. How does the patent landscape surrounding WO2021113775 influence market exclusivity?
A comprehensive patent family covering multiple jurisdictions restricts competitors’ ability to enter the market with similar compounds or formulations, thereby prolonging exclusivity.

3. Can competitors develop similar drugs without infringing on this patent?
If claims are narrowly drafted, competitors might design around them by modifying chemical structures, dosing, or indications. The scope of claims thus significantly impacts freedom-to-operate.

4. What role do patent claims play in regulatory approval?
While regulatory approval is separate, clear patent claims facilitate enforcement, licensing, and can be critical during patent prosecution to prevent invalidation.

5. How can the patent holder enforce rights based on WO2021113775?
Through infringement investigations, legal action, and licensing agreements, the patent holder can prevent unauthorized use of protected compounds or methods within the patent's scope.


References

[1] WIPO Patent Application WO2021113775, Publication Date: 2021-07-29.
[2] World Intellectual Property Organization, Patent Cooperation Treaty (PCT), Public Search Facility.
[3] Patent Landscape Reports and Prior Art Databases, global patent information repositories, relevant to therapeutic compounds.

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