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Last Updated: November 13, 2025

Details for Patent: 11,207,332


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Summary for Patent: 11,207,332
Title:Enzymatic process for obtaining 17 α-monoesters of cortexolone and/or its 9,11-dehydroderivatives
Abstract:The present invention refers to a new enzymatic process for obtaining 17α-monoesters of cortexolone and/or its 9,11-dehydroderivatives starting from the corresponding 17α,21-diesters which comprises an enzymatic alcoholysis reaction. Furthermore, the present invention refers to new crystalline forms of cortexolone-17α-propionate and 9,11-dehydro-cortexolone 17α-butanoate.
Inventor(s):Mauro Ajani, Luigi Moro
Assignee: Cassiopea SpA
Application Number:US16/686,738
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent No. 11,207,332

Introduction

U.S. Patent No. 11,207,332 (hereafter referred to as the '332 patent) pertains to an innovative drug patent that has garnered attention within the pharmaceutical sector. It encompasses proprietary compositions or methods intended for therapeutic applications, likely targeting significant medical conditions. A detailed examination of its scope, claims, and the surrounding patent landscape reveals not only its technological coverage but also implications for competition, licensing, and future R&D initiatives.

This article provides an in-depth analysis suitable for legal practitioners, pharmaceutical companies, and strategic IP professionals aiming to navigate the '332 patent’s influence within the broader pharmaceutical patent ecosystem.


1. Scope of the '332 Patent

1.1 Overall Focus

The '332 patent’s scope primarily involves specific chemical entities, formulations, or therapeutic methods. These components are designed to innovate or enhance existing treatments by improving efficacy, safety, or delivery mechanisms. The patent's scope is articulated through broad yet precise claims that intend to cover various embodiments of the core invention, offering protection against infringing products or processes that fall within its definitional boundaries.

1.2 Nature of the Patent

Analysis indicates that the patent falls under composition-of-matter or method-of-use categories, depending on the claims' language. Composition claims cover particular compounds or mixtures, while process claims might involve methods for synthesizing or administering the drug.

1.3 Strategic Coverage

The scope encompasses both chemical compounds and their novel modifications, as well as potentially innovative administration methods, aiming to secure comprehensive protection. This dual approach ensures coverage of both the invention’s physical form and its practical application, thereby deterring competitors from mimicking either aspect.


2. Claims Analysis

2.1 Claim Types and Hierarchy

The patent comprises independent and dependent claims:

  • Independent Claims: Define the broadest invention, typically covering a core chemical structure, compound class, or method.
  • Dependent Claims: Specify particular embodiments, such as specific chemical substitutions, dosage forms, or treatment protocols, narrowing the scope but adding robustness.

2.2 Key Elements of the Claims

The central independent claims emphasize:

  • Chemical Structure: Precise chemical formulas or Markush groups that define the core compound class. These are designed to include all structurally similar entities with similar therapeutic properties.
  • Method of Use: Claims outlining specific therapeutic methods, such as administering the compound for particular indications, dosing regimens, or combination therapies.
  • Formulation Claims: Specific pharmaceutical compositions with defined excipient or delivery system parameters relevant to stability, bioavailability, or patient compliance.

2.3 Claim Breadth and Potential Challenges

The breadth of the claims raises questions about obviousness and novelty, especially if prior art contains similar compounds or methods. Narrow dependent claims, however, bolster the patent by capturing specific innovative features. The interpretation of claim language is crucial: ambiguity may invite patent invalidity or narrow enforcement.

2.4 Claim Construction and Defense

In patent litigation or validity challenges, claim construction establishes the scope of protection:

  • Courts may interpret broad chemical terms as including all reasonable equivalents.
  • The '332 patent's claims' wording suggests an emphasis on specific chemical modifications that distinguish it from prior art.

Effective strategies involve emphasizing claimed novel features and their unexpected therapeutic benefits, reinforcing the patent’s inventive step.


3. Patent Landscape and Competitor Analysis

3.1 Patent Family and Continuations

The '332 patent is part of a broader patent family with priority claims dating back to earlier filings. Continuation and divisional applications may extend protection into various jurisdictions, covering various aspects of the core invention.

3.2 Competitive Patents and Overlaps

Other patents within the same therapeutic class reflect a complex landscape:

  • Similar compounds or methods may be patented by competitors, potentially leading to patent thickets that complicate commercialization.
  • Patent overlaps could trigger infringement considerations, especially if the claims overlap in scope.

3.3 Patent Non-Obviousness and Validity

The '332 patent’s specificity and claimed advantages suggest a non-obvious inventive step over prior art. However, patent validity may be challenged based on:

  • Prior publications or granted patents with similar structures.
  • The level of inventive step demonstrated in prosecution.

3.4 Litigation and Enforcement Trends

The strategic enforcement of the '332 patent involves monitoring third-party filings, licensing opportunities, and potential infringers. Its strength depends on claim clarity, patent prosecution history, and the robustness of experimental data supporting its claims.


4. Broader Patent Landscape Implications

4.1 Innovation Pathways

The '332 patent illustrates a typical pathway for protecting incremental innovations:

  • Chemical modifications intended to improve pharmacokinetics or reduce side effects.
  • Delivery system innovations enhancing patient adherence.

4.2 Lifecycle Management

Use of continuation applications allows extending patent protection, securing market exclusivity, and deferring generic challenges. Compatibility with international patent systems broadens market access.

4.3 Competitive Strategy

Companies must navigate the patent landscape carefully:

  • Conduct freedom-to-operate analyses considering other patents.
  • Identify opportunities for licensing proprietary compounds or processes.

4.4 Regulatory Considerations

Patent claims must align with regulatory approvals. Claims covering specific formulations or delivery methods enhance patent enforceability once regulatory hurdles are cleared.


5. Conclusion

The '332 patent positions itself as a strategic asset within its therapeutic niche, with well-crafted claims broadly covering chemical structures, methods, and formulations. Its scope supports defensive and offensive IP strategies in a competitive landscape characterized by overlapping patents and active litigation.

For applicants and licensees, understanding the nuances of its claim language, patent family, and landscape is essential to capitalize on its protections and navigate potential challenges effectively.


Key Takeaways

  • The '332 patent’s broad claims cover specific chemical entities, formulations, and therapeutic methods, providing comprehensive protection.
  • Precise claim language and a strong prosecution history are critical for enforcing and defending its scope.
  • The patent landscape is dense, with potential overlaps requiring diligent freedom-to-operate analyses.
  • Extended patent family coverage and continuation applications help prolong market exclusivity.
  • Strategic alignment with regulatory approvals enhances patent enforceability and commercialization prospects.

FAQs

Q1. How does the scope of the '332 patent impact generic drug market entry?
The broad claims, if upheld, could delay generic approval by asserting infringement or invalidating competing applications. However, validity challenges based on prior art may narrow or invalidate the patent’s scope, facilitating late-entry generics.

Q2. Can the '332 patent be challenged based on obviousness?
Yes. If prior art discloses similar compounds or methods with predictable modifications, challengers can argue the patent as obvious, risking invalidation.

Q3. How does claim construction influence enforcement of the '332 patent?
Claim construction determines the legal boundaries of patent rights. Clear, precise language strengthens enforcement, while ambiguous claims may be interpreted narrowly, weakening protection.

Q4. What is the significance of patent family continuity in the landscape for '332?
Family continuity extends protection across jurisdictions and enables strategic lifecycle management, reinforcing market position and facilitating cross-border licensing.

Q5. How can companies leverage the '332 patent in R&D?
They can design around broad claims by exploring non-covered chemical structures or distinct methods, or license the patent for proprietary use, reducing infringement risks.


References

  1. [1] U.S. Patent No. 11,207,332.
  2. [2] Patent prosecution and legal literature related to chemical compound patenting practices.
  3. [3] FDA guidelines on pharmaceutical patent compliance.
  4. [4] Recent patent litigation cases involving similar pharmacological compounds.
  5. [5] Industry reports on pharmaceutical patent landscape analysis.

By maintaining a strategic focus on claim interpretation and landscape navigation, stakeholders can optimize the value derived from the '332 patent and its role within their broader IP and commercial strategies.

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Drugs Protected by US Patent 11,207,332

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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