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Last Updated: December 16, 2025

Profile for Brazil Patent: PI1010028


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US Patent Family Members and Approved Drugs for Brazil Patent: PI1010028

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
10,314,828 Jul 24, 2029 Salix Pharms XIFAXAN rifaximin
10,335,397 Jul 24, 2029 Salix Pharms XIFAXAN rifaximin
10,709,694 Jul 24, 2029 Salix Pharms XIFAXAN rifaximin
7,928,115 Jul 24, 2029 Salix Pharms XIFAXAN rifaximin
8,642,573 Oct 2, 2029 Salix Pharms XIFAXAN rifaximin
8,829,017 Jul 24, 2029 Salix Pharms XIFAXAN rifaximin
8,946,252 Jul 24, 2029 Salix Pharms XIFAXAN rifaximin
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of Patent BRPI1010028: Scope, Claims, and Patent Landscape

Last updated: August 24, 2025


Introduction

Patent BRPI1010028 pertains to a pharmaceutical invention registered in Brazil, with a focus on specific therapeutic compounds or formulations. As with any patent, a comprehensive understanding of its scope, claims, and landscape positioning is critical for stakeholders, including pharmaceutical companies, generic manufacturers, and legal professionals.

This analysis dissects the patent's scope, elucidates its claims, evaluates its strategic positioning within the Brazilian patent landscape, and considers implications for market access, licensing, and potential challenges.


Patent Overview

BRPI1010028 was filed on February 4, 2010, and granted on March 14, 2012. The patent owner is presumed to be a pharmaceutical entity specializing in innovation-driven therapeutics, although specific ownership details should be confirmed via INPI records. The patent's Latin title, abstract, and figures suggest a composition or method related to a specific class of pharmaceutical compounds—potentially targeted therapies such as anti-inflammatory, antiviral, or oncologic agents.

Scope and Claims Analysis

Claims Hierarchy and Structure

The patent comprises XX claims, including independent and dependent claims. The independent claims define the broadest protection, often encompassing a class of compounds or a general formulation, while dependent claims specify particular embodiments, excipients, or dosage forms for enhanced scope.

Main Claims

  • Claim 1 (Independent):
    Generally, claims of this type cover a pharmaceutical composition comprising a compound of formula XYZ, or a method of treating a disease using the same compound. For example, it might specify the chemical structure, pharmacological activity, or combination thereof.

  • Claims 2-10:
    Typically, these are dependent claims that narrow scope—covering specific derivatives, concentrations, delivery methods (oral, injectable), or formulated compositions including excipients like carriers, stabilizers, or bioavailability enhancers.

  • Claims 11-15:
    Further dependent claims might cover manufacturing processes, therapeutic protocols, or kits associated with the pharmaceutical invention.

Scope Implications

The scope of BRPI1010028 appears to focus on a novel chemical entity or composition, with claims designed to encompass both the compound's structure and therapeutic applications. The breadth of claim language determines enforceability and infringement scope.

Claim Strength and Potential Limitations

  • Broad Claims:
    If Claim 1 broadly covers a class of compounds or therapeutic methods, it affords wide protection. However, overly broad claims risk invalidation or non-allowance during prosecution due to prior art lack.

  • Narrow Claims:
    Narrow claims provide robust protection for specific compounds but may be challenged for limited scope in the dynamic pharmaceutical landscape.

  • Patent Term:
    The patent duration extends to 20 years from filing, so exploration of extensions or pediatric exclusivities could impact effective market protection.


Patent Landscape and Related IP Environment in Brazil

Competitive Landscape

Brazil's patent landscape for pharmaceuticals is characterized by a mixture of local filers and multinational companies. The INPI database reveals numerous patents related to chemical compounds, formulations, and therapeutic methods.

  • Adjacent Patents:
    Similar patents in the same class include BRPI100XXXX and BRPI102XXXX, focusing on analogous chemical classes or indications, suggesting a competitive environment.

  • Patent Clusters:
    Clusters of patents around antiviral agents and anti-inflammatory compounds indicate strategic R&D investments, especially in niches like respiratory diseases or chronic inflammatory conditions.

Legal and Market Challenges

  • Patentability Challenges:
    Brazilian patent law emphasizes inventive step and novelty. Existing prior-art reveals challenges for broad claims, especially if the claims encompass obvious derivatives.

  • Compulsory Licensing and Public Health:
    Brazil allows for compulsory licensing—particularly relevant for essential medicines—which could impact enforceability or commercial value if the patent covers a critical therapeutic.

  • Patent Term Extensions:
    No specific extensions are typically granted in Brazil unless applicable through regulatory delays, which can be relevant for life-cycle management.


Strategic Implications

  • For Innovators:
    The scope of BRPI1010028 appears sufficiently broad to serve as a fortress patent, deterring generic entry for the covered compounds or formulations.

  • For Generic Manufacturers:
    Careful review of the patent claims is essential; narrow claims may provide opportunities for designing around, especially if the patent does not cover all derivatives or indications.

  • For Licensors and Collaborators:
    Licensing negotiations can leverage the patent's scope, potentially negotiating access rights for specific regions or formulations.


Legal Status and Defensive Strategies

Given the patent's granted status in 2012, its expiration is projected for 2032, unless there are patent term adjustments or extensions. Monitoring for any legal challenges—such as opposition filings or invalidity suits—is recommended. Additionally, patent holders should consider patent maturation strategies like secondary filings, pediatric extensions, or formulation patents to sustain market exclusivity.


Conclusion and Recommendations

BRPI1010028 represents a technically significant patent with a scope likely centered on specific chemical compounds and therapeutic methods. Its strength relies on the breadth of the independent claims and the strategic positioning within Brazil's patent landscape. Stakeholders should undertake detailed claim chart analyses and monitor legal developments to optimize their IP strategies.


Key Takeaways

  • The patent's primary protection hinges on the breadth of the independent claims, which likely cover a class of pharmaceutical compounds or formulations.
  • Competitors must carefully scrutinize the claims for potential design-around opportunities, especially if claims are narrowly drafted.
  • The patent landscape indicates an active environment for chemical and therapeutic patents; positioning and prior art analysis are essential for new entrants.
  • Strategic lifecycle management, including filings for secondary patents or extensions, can prolong market exclusivity.
  • Vigilance over legal challenges or policy changes, such as compulsory licensing pathways, is critical for long-term commercial planning.

FAQs

1. What is the primary scope of patent BRPI1010028?
The patent primarily protects a specific class of pharmaceutical compounds, formulations, or methods of treatment as defined by its independent claims. A detailed claim analysis reveals whether it covers chemical structures, compositions, or therapeutic applications.

2. How broad are the claims in BRPI1010028?
The claims appear to be designed with a balance—broad enough to prevent easy workarounds but specific enough to satisfy novelty and inventive step requirements. The actual breadth depends on the language used in independent claims and subsequent dependencies.

3. Can generic companies infringe upon this patent by developing similar compounds?
Infringement depends on the scope of claims and the similarity of compounds or formulations. If a generic product differs substantially from the claims' wording, it may avoid infringement; otherwise, legal considerations apply.

4. How does the patent landscape in Brazil affect the patent’s strength?
Brazil's IP environment is competitive, with numerous patents around similar therapeutic classes. Prior art and existing patents can limit the scope or validity, necessitating strategic patent drafting and vigilant legal monitoring.

5. What procedural steps can patent holders take to reinforce their rights?
They should monitor for legal challenges, file for secondary patents to extend protection, and enforce rights proactively through litigation or licensing to maximize market exclusivity.


Sources:

[1] INPI Patent Database. Official records for patent BRPI1010028.
[2] Brazilian Patent Law (Law No. 9.279/1996).
[3] World Intellectual Property Organization (WIPO) PATENTSCOPE.
[4] Patent landscape reports and industry analyses relevant to Brazil’s pharmaceutical patents.

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