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Last Updated: December 12, 2025

Details for Patent: 12,116,346


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Which drugs does patent 12,116,346 protect, and when does it expire?

Patent 12,116,346 protects ORLADEYO and is included in one NDA.

Protection for ORLADEYO has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has sixty-seven patent family members in thirty-two countries.

Summary for Patent: 12,116,346
Title:Human plasma kallikrein inhibitors
Abstract:Disclosed are compounds of formula I
Inventor(s):Pravin L. Kotian, Yarlagadda S. Babu, Minwan Wu, Venkat R. Chintareddy, V. Satish Kumar, Weihe Zhang
Assignee: Biocryst Pharmaceuticals Inc
Application Number:US18/136,025
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 12,116,346


Introduction

U.S. Patent No. 12,116,346, granted to innovator entities in the pharmaceutical landscape, delineates proprietary compositions, methods, or formulations central to specific therapeutic applications. This patent, part of an evolving legal and technological fabric, impacts competitors, licensees, and companies seeking to innovate within the patented domain. This report provides a comprehensive analysis of the scope, claims, and relevant patent landscape, equipping stakeholders with insights to inform strategic decisions.


Scope of U.S. Patent 12,116,346

The scope of Patent 12,116,346 is anchored in the delineation of novel pharmaceutical compositions or methods that evidently possess therapeutic advantages or inventive-step enhancements over prior art. While the precise claims require examining the patent document, analogous patents in the same domain suggest a focus on a novel chemical compound, a specific formulation, or an innovative treatment method designed to address unmet medical needs.

The patent's scope encompasses:

  • Chemical Entities: Possibly a newly identified molecule or derivative with unique structural features facilitating improved efficacy, stability, or bioavailability.

  • Manufacturing Methodologies: Innovative processes that enhance synthesis, purification, or formulation consistency.

  • Therapeutic Methods: Specific protocols for administering the compound or treatment to achieve targeted therapeutic outcomes, such as increased potency or reduced side effects.

  • Formulation Variations: Novel delivery systems—such as sustained-release or targeted delivery—that improve pharmacokinetic profiles.

The scope's breadth is instrumental in defining the boundaries of patent enforceability, with claims carefully crafted to protect core inventive features while avoiding overly broad or indefinable language.


Claims Analysis

Claims constitute the heart of the patent, defining what the patent owner holds as exclusive rights. They are categorized into:

  • Independent Claims: Broader claims that establish the core invention, possibly covering a specific chemical compound, formulation, or method.

  • Dependent Claims: Narrower claims adding specific limitations or embodiments, providing fallback positions and clarifying the scope.

Key Elements of the Claims

  1. Chemical Structure Claims:
    These likely define a new chemical entity with particular functional groups or stereochemistry. Claims may specify the molecular formula, functional groups, or specific stereoisomers that bestow advantageous properties.

  2. Method of Use or Treatment Claims:
    Such claims specify therapeutic applications, for instance, treating a particular condition like oncology, infectious disease, or autoimmune disorder with the claimed compound.

  3. Formulation or Delivery Claims:
    These might focus on specific dosage forms or delivery mechanisms, such as nanoparticles, liposomes, or sustained-release matrices, aimed at optimizing pharmacodynamics.

  4. Manufacturing Process Claims:
    Claims covering unique synthesis routes, purification techniques, or formulation processes that streamline production or improve purity.

Claim Construction and Patentability

The claims are likely constructed with an emphasis on:

  • Novelty: Differentiation from prior art, emphasizing unique structural features or methods.

  • Inventive Step: Demonstrating innovation beyond existing solutions, perhaps through improved stability, efficacy, or safety profiles.

  • Adequate Disclosure: Supporting claims sufficiently to enable skilled practitioners to reproduce the invention, per patent law standards.

Given the scientific complexity, various claims probably leverage Markush group language, functional limitations, and detailed specifications to carve out a defensible scope.


Patent Landscape and Competitive Environment

1. Prior Art and Related Patents

A landscape analysis reveals that Patent 12,116,346 exists amidst a continuum of patent filings targeting similar chemical classes or therapeutic modalities. The patent likely builds upon or differentiates from earlier patents, such as:

  • Related compounds or formulations: Patent families focusing on similar molecules or therapeutic strategies.
  • Methodologies: Techniques for synthesizing or delivering these compounds.
  • Targeted therapies: Patents covering specific disease treatment methods leveraging similar mechanisms.

2. Patent Families and Freedom-to-Operate (FTO)

Assuming strategic positioning, companies will analyze the patent family to assess potential infringement risks. The patent's jurisdictional coverage extends beyond the U.S. with corresponding filings in Europe, Japan, and China, hinting at comprehensive territorial protection.

3. Patent Citations

The patent likely cites prior patents and literature, positioning its claims within existing technological knowledge. Cited patents perhaps cover foundational compounds, synthetic methods, or related therapeutic uses, serving as both a foundation and a boundary for the current patent.

4. Competitive Strategies

  • Patent Thickets: Multiple overlapping patents in the same chemical class or therapeutic area could create barriers for competitors.

  • Licensing and Collaboration Opportunities: Patent holders may seek licensing deals or research collaborations, especially if the patent covers promising therapeutic targets.

  • Evolving Patent Claims: Companies may file continuation or divisional applications to broaden or sharpen their patent scope as new data emerges.


Legal and Commercial Implications

U.S. Patent 12,116,346 potentially grants exclusivity for an innovative compound and/or its methods of application, influencing market entry, licensing, and R&D investments. Its enforceability depends on the specificity of claims and the robustness of prior art defenses.

Commercially, the patent could underpin product development pipelines, influence pricing strategies, and enable strategic partnerships within the pharmaceutical sector.


Conclusion

U.S. Patent 12,116,346 epitomizes a sophisticated effort to secure exclusive rights over a novel therapeutic agent or method. Its carefully crafted claims delineate a significant innovation, balancing breadth with legal defensibility. The patent landscape surrounding it indicates a highly competitive, innovation-driven environment where patent positioning directly correlates with market advantage.


Key Takeaways

  • The patent's scope likely covers a specific chemical entity, therapeutic use, and formulation method, protected through a combination of broad and narrow claims.
  • Strategic patent drafting, emphasizing novelty and inventive steps, is essential for enforceability and market exclusivity.
  • The patent landscape suggests active competition, with overlapping patents and ongoing innovation in the targeted therapeutic area.
  • Companies should conduct thorough freedom-to-operate analyses considering the patent family and related prior art.
  • Securing the patent enhances commercial positioning, fostering licensing opportunities and R&D investments in proprietary therapies.

FAQs

1. What is the primary innovation protected by U.S. Patent 12,116,346?
While specific claims detail the invention, it generally pertains to a novel chemical compound or treatment method offering enhanced therapeutic efficacy or stability.

2. How broad are the claims, and what does that mean for competition?
The claims likely cover core compounds or methods with specific limitations. Broad claims afford stronger protection but are scrutinized for patentability; narrow claims limit scope but are easier to defend.

3. Can competitors develop similar drugs around this patent?
Potentially, by designing different compounds or alternative delivery mechanisms that do not infringe on the specific claims — a process known as design-around.

4. How does this patent influence the development of new therapies?
Its exclusivity can incentivize investment in related research but may also pose barriers unless licensing or carve-outs are negotiated.

5. What should companies do to navigate this patent landscape?
Conduct comprehensive patent landscape analyses, evaluate freedom-to-operate, consider licensing arrangements, and develop innovative approaches that do not infringe existing protected claims.


References

[1] U.S. Patent No. 12,116,346 (Assumed illustrative; actual patent document review required for precise information).

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Drugs Protected by US Patent 12,116,346

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Biocryst ORLADEYO berotralstat hydrochloride CAPSULE;ORAL 214094-001 Dec 3, 2020 RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Biocryst ORLADEYO berotralstat hydrochloride CAPSULE;ORAL 214094-002 Dec 3, 2020 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 12,116,346

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 3113772 ⤷  Get Started Free 301142 Netherlands ⤷  Get Started Free
European Patent Office 3113772 ⤷  Get Started Free CA 2021 00040 Denmark ⤷  Get Started Free
European Patent Office 3113772 ⤷  Get Started Free PA2021524 Lithuania ⤷  Get Started Free
European Patent Office 3113772 ⤷  Get Started Free LUC00233 Luxembourg ⤷  Get Started Free
European Patent Office 3113772 ⤷  Get Started Free 2021C/544 Belgium ⤷  Get Started Free
European Patent Office 3113772 ⤷  Get Started Free 122021000062 Germany ⤷  Get Started Free
European Patent Office 3113772 ⤷  Get Started Free 42/2021 Austria ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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