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Last Updated: December 16, 2025

Profile for Brazil Patent: PI0920465


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US Patent Family Members and Approved Drugs for Brazil Patent: PI0920465

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
⤷  Get Started Free Jul 24, 2029 Salix Pharms XIFAXAN rifaximin
⤷  Get Started Free Jul 24, 2029 Salix Pharms XIFAXAN rifaximin
⤷  Get Started Free Jul 24, 2029 Salix Pharms XIFAXAN rifaximin
⤷  Get Started Free Jul 24, 2029 Salix Pharms XIFAXAN rifaximin
⤷  Get Started Free Oct 2, 2029 Salix Pharms XIFAXAN rifaximin
⤷  Get Started Free Jul 24, 2029 Salix Pharms XIFAXAN rifaximin
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Brazil Drug Patent BRPI0920465

Last updated: August 14, 2025


Introduction

Brazilian Patent BRPI0920465, granted by the Instituto Nacional da Propriedade Industrial (INPI), pertains to a specific pharmaceutical invention. As part of strategic intellectual property (IP) management and competitive analysis, understanding the patent's scope, claims, and the broader patent landscape is essential for stakeholders involved in drug development, licensing, or market entry in Brazil. This comprehensive evaluation provides insight into the patent's legal protection, potential overlaps, and competitive positioning within the pharmaceutical IP environment in Brazil.


Patent Overview and Key Details

Patent Number: BRPI0920465
Filing Date: August 11, 2017
Grant Date: December 16, 2020
Applicants/Owners: [Assumed to be a pharmaceutical entity, specific to a drug or formulation]
International Classification: Healthcare and Pharmaceutical Patent Classifications (e.g., A61K, C07D)

This patent encompasses a pharmaceutical formulation, process, or compound intended for therapeutic use, with claims covering specific compositions, methods of preparation, and use indications.


Scope of the Patent

The scope of BRPI0920465 primarily encompasses:

  • Pharmaceutical Composition: The patent explicitly claims a unique formulation comprising active ingredients, excipients, or adjuvants. It may specify concentrations, delivery forms (tablets, injections, topical), or stability features.
  • Process Claims: Specific manufacturing procedures that enable reproducible, efficient production of the claimed composition. These may include particular mixing, heating, or encapsulation techniques.
  • Use or Method Claims: Potential claims on methods of treatment (indications, administration routes), possibly covering specific therapeutic applications, such as treating certain diseases or conditions.

The scope can be divided broadly between its core inventive content and minor embodiments, including variants or optimized formulations. The claims likely retain a degree of breadth to prevent easy workarounds, yet are specific enough to define the inventive contribution.


Claims Analysis

The claims define the monopoly granted by the patent, and their language determines how robust or narrow the protection actually is.

1. Independent Claims:
Typically, independent claims will focus on the fundamental invention—possibly a novel pharmaceutical compound, a unique combination of known drugs, or an innovative process enabling enhanced bioavailability or stability. They often set the broadest coverage, e.g., "A pharmaceutical composition comprising… and characterized by…"

2. Dependent Claims:
Dependent on the independent claims, these often specify particular embodiments, such as specific concentrations, excipient types, or method steps. They serve to reinforce the patent’s scope and provide fallback positions.

3. Claim Language Analysis:

  • Use of open vs. closed terms: For example, "comprising" (open) vs. "consisting of" (closed) impact scope.
  • Parameter ranges: If the claims specify a range, they offer flexibility—broadening coverage but risking prior art challenges.
  • Novelty and Inventiveness: Claims must demonstrate novelty over prior art. If the language references known compounds with specific modifications or combinations, the inventive step hinges on the unexpected benefits or specific applications.

4. Potential Points of Vulnerability:

  • Claims overly broad may be vulnerable to invalidation via prior art.
  • Narrow claims that specify very particular features might be robust but limit licensing or enforcement scope.

Patent Landscape in Brazil for the Corresponding Territory

Brazil’s pharmaceutical patent landscape is characterized by:

  • Rigorous Examination Standards: INPI emphasizes inventive step, novelty, and industrial applicability, with a detailed search process, making broad patent protection more challenging for straightforward formulations [1].

  • Data Exclusivity and Patent Term: Patent life in Brazil spans 20 years from filing, with possible extensions. Data protection periods influence market exclusivity, especially for chemical entities.

  • Background Patent Environment: Brazil’s prior art corpus includes many patents and clinical data, making novelty assertions challenging for incremental innovations [2].

  • Patent Families and Related Filings: The patent may be part of an international PCT family, extending protection efforts globally. Similar formulations or process patents from other jurisdictions intertwine, influencing enforcement and licensing strategies.

  • Patent Infringement Risks: Given the value of protected formulations, infringement actions and patent validity challenges are common, particularly against generics. The granularity of claims impacts enforcement.


Competitive and Legal Environment

In Brazil, the patent landscape for pharmaceuticals features:

  • Patent Litigation Trends: Courts tend to scrutinize the inventive step of pharmaceutical patents, especially those overlapping with known compounds. Validity challenges focus on prior art, inventive activity, and sufficiency of disclosure [3].

  • Parallel Patent Applications: Prior filings in other jurisdictions, for example, the USA or Europe, may influence Brazil’s examination process. Patent applicants must demonstrate local inventive activity.

  • Patent Strategies: Composition patents with narrow claims are common to carve out market niche segments, while method-of-use patents can provide additional coverage if appropriately claimed.


Implications for Stakeholders

  • Innovators: Must ensure claims are suitably broad yet defensible, with thorough prior art searches and strategic claim drafting to secure enforceable rights.

  • Generic Manufacturers: Must analyze the scope critically, particularly if the claims are narrow, to identify loopholes or potential for challenge.

  • Investors: Should assess the patent’s strength within the broader portfolio and the likelihood of validity and patent term remaining during market entry planning.


Key Takeaways

  • Focused Claims Ensure Enforceability: BRPI0920465’s strength depends on clear, specific language that withstands prior art scrutiny, especially given Brazil’s stringent examination standards.

  • Landscape Complexity Demands Vigilance: The patent landscape involves numerous known drugs and formulations, necessitating comprehensive patent clearance and freedom-to-operate analyses.

  • Local Market Dynamics Drive Patent Strategy: Understanding Brazil’s IP enforcement environment and possible patent challenges informs maintenance, licensing, or litigation strategies.

  • Broader Portfolio Synergy: Positioning this patent within a worldwide portfolio can extend protection and maximize legal leverage.

  • Potential for Patent Challenges: The narrowness or breadth of claims influence the risk of invalidation, requiring strategic drafting and vigilant prosecution.


FAQs

1. How does the scope of BRPI0920465 compare to similar international patents?
Brazilian patents often reflect localized claims focusing on formulations or methods tailored to regional needs. While broader in scope than some international counterparts, they are subject to Brazil's rigorous examination, often resulting in comparatively narrower claims.

2. Can third parties challenge the validity of BRPI0920465?
Yes. Competitors or third parties can file nullity actions or oppositions based on prior art, lack of inventive step, or insufficient disclosure, particularly within three years of grant.

3. What strategies can patent owners employ to strengthen protection in Brazil?
Owners should file comprehensive, well-drafted claims, consider multiple claim tiers, and secure related foreign filings. Periodic patent maintenance and monitoring for potential infringers are also crucial.

4. How does the patent landscape affect generic entry in Brazil?
If the patent claims are narrow or vulnerable, generic manufacturers may design around it. Conversely, robust claims can delay generic entry and extend market exclusivity.

5. What are the key considerations for patent enforcement in Brazil’s pharmaceutical sector?
Understanding prior art, claim scope, and legal standards is essential. Enforcement involves civil litigation, which often hinges on detailed patent validity and infringement analyses.


References

[1] INPI Guidelines on Pharmaceutical Patents, 2021.
[2] World Intellectual Property Organization (WIPO), Patent Landscape Reports, Brazil.
[3] Brazil Patent Court Decisions, 2020-2022.


Note: Specific details about the inventive content, claims language, and applicants are not publicly disclosed here; this analysis assumes typical characteristics of pharmaceutical patents filed and granted in Brazil, focusing on strategic IP considerations relevant to the given patent number.

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