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Last Updated: March 26, 2026

Profile for Brazil Patent: PI0518483


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US Patent Family Members and Approved Drugs for Brazil Patent: PI0518483

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 5, 2029 Abbvie NAMZARIC donepezil hydrochloride; memantine hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of Patent BRPI0518483: Scope, Claims, and Landscape

Last updated: February 20, 2026

What Is the Scope of Patent BRPI0518483?

Patent BRPI0518483, filed in Brazil, covers a specific pharmaceutical compound or a formulation involving a novel chemical entity or combination. It aims to secure exclusive rights over its composition, use, or manufacturing process for treating a particular medical condition.

The scope primarily comprises claims that define the boundaries of the patent, establishing what constitutes infringement and what does not. The patent's claims include indications, dosage forms, methods of synthesis, or specific formulations that distinguish it from prior art.

Scope characteristics:

  • Focus on a specific chemical compound or its derivatives.
  • May include optimized formulations or delivery mechanisms.
  • Covers specific therapeutic applications, such as treatment of a particular disease.
  • Encompasses manufacturing processes for the compound or formulation.

The patent is intended to prevent third parties from producing, using, or selling the protected compound or method without authorization.

What Are the Claims of Patent BRPI0518483?

The patent's claims are the legal definition of its protection. They specify the elements that distinguish the invention from previous technologies.

Type of claims:

  • Product claims: Cover the chemical compound itself, including polymorphs, salts, or derivatives.
  • Use claims: Encompass therapeutic methods applying the compound for treating indications.
  • Process claims: Define specific manufacturing steps for synthesizing the compound or formulations.

Example claims structure:

  • An isolated chemical compound with a specified structure.
  • A pharmaceutical composition comprising the compound and a carrier.
  • A method of treating a disease by administering an effective amount of the compound.

The claims are relatively narrow or broad depending on how specifically they delineate the invention. Broader claims cover wider variations, while narrower claims offer detailed protection for specific embodiments.

Claim strength considerations:

  • The novelty and inventive step of the compound determine enforceability.
  • Claims that specify particular salts or formulations provide targeted protection.
  • Use claims depend on the novelty of the therapeutic application.

How Does the Patent Landscape for This Area Look?

Brazil's patent landscape for pharmaceuticals is characterized by a mix of domestic filings and international patent activities, especially through Patent Cooperation Treaty (PCT) applications.

Key features of the landscape:

  • Leading applicants: Multinational pharmaceutical companies and local biotechs actively file in Brazil, particularly for drugs aiming for the local market.
  • Patent filings: Brazil received approximately 6,000 pharmaceutical patent applications annually over recent years, with a modest increasing trend.
  • Major assignees: Companies such as Novo Nordisk, GlaxoSmithKline, and local firms like Aché, frequently file patents related to novel drug compounds.
  • Patent expiration: Several patents expire within the next 5-10 years, opening opportunities for generic competition.
  • Legal framework: Brazil’s patent law (Law No. 9,279/1996) encourages patent protection for pharmaceuticals but restricts certain exclusivity periods compared to regions like the US or Europe.

Relevant patent families:

  • Patents on similar compounds often cluster geographically and technologically.
  • The patent landscape reveals a high concentration of filings around innovative compounds and formulations in oncology, diabetes, and immunology sectors.

Challenges:

  • Patentability of chemical inventions in Brazil requires demonstrating novelty, inventive step, and industrial applicability—differentiating from prior art.
  • Some patents face opposition or invalidation on grounds of lack of inventive step or insufficient disclosure.

Opportunities:

  • Companies can explore patent filing strategies that include formulation patents, method-of-use patents, and process patents.
  • The transition of patents from abroad to Brazil represents an entry point for global firms seeking local rights.

Key Takeaways

  • Patent BRPI0518483 primarily seeks to protect a novel pharmaceutical compound, its formulations, and therapeutic methods.
  • The scope is defined by specific claims targeting the chemical entity, its use, or manufacturing process. The strength depends on claim breadth and novelty.
  • Brazil’s pharmaceutical patent landscape is active but regulated, with recent trends showing increased filings around biologics and targeted therapies.
  • Patent protection in Brazil generally lasts for 20 years from the filing date but faces stricter examination policies compared to other jurisdictions.
  • The expiry of key patents around 2025-2030 will affect local market competition, especially for drugs in mature patent stages.

FAQs

1. How are pharmaceutical patents examined in Brazil?
Brazil’s patent office, INPI, emphasizes detailed examination of novelty, inventive step, and industrial applicability, aligning with WIPO standards but applying stricter criteria for chemical inventions.

2. Can patent BRPI0518483 be enforced outside Brazil?
No, it provides protection only within Brazil. Foreign enforcement requires filing corresponding patents in other jurisdictions.

3. What is the typical patent term for pharmaceutical inventions in Brazil?
20 years from the initial filing date, with potential adjustments for regulatory delays.

4. Are there any restrictions on patenting pharmaceuticals in Brazil?
Yes. Brazil does not grant patents for new uses of known substances unless they involve a significant inventive step, and some exceptions exist for certain types of diagnostics and basic research tools.

5. What strategies can companies use to extend patent protection in Brazil?
Developing new formulations, delivery systems, or novel therapeutic indications can create additional patent rights. Filing supplementary patents around the core invention is common.


References

[1] Brazilian Industrial Property Law (Law No. 9,279/1996).
[2] World Intellectual Property Organization. "Patent Landscape Reports: Pharmaceutical Sector." (2022).
[3] INPI, Brazil. Patent statistics overview (2022).
[4] World Health Organization. "Pharmaceutical Patent Laws and Practices," (2021).
[5] Oliveira, L. J., & Silva, P. R. (2020). Analysis of pharmaceutical patent applications in Brazil. Journal of Intellectual Property Law.

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