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Last Updated: December 12, 2025

Profile for Brazil Patent: PI0611634


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US Patent Family Members and Approved Drugs for Brazil Patent: PI0611634

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
8,598,185 Apr 28, 2029 Gilead Sciences ATRIPLA efavirenz; emtricitabine; tenofovir disoproxil fumarate
9,018,192 Jun 13, 2026 Gilead Sciences ATRIPLA efavirenz; emtricitabine; tenofovir disoproxil fumarate
9,545,414 Jun 13, 2026 Gilead Sciences ATRIPLA efavirenz; emtricitabine; tenofovir disoproxil fumarate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Brazil Patent BRPI0611634

Last updated: July 30, 2025


Introduction

Brazilian patent BRPI0611634 pertains to a pharmaceutical invention protected under the country’s intellectual property regime. As part of comprehensive patent landscape analysis, this report breaks down the scope, claims, and the broader patent environment surrounding BRPI0611634, providing insights essential for stakeholders involved in drug development, licensing, and competitive strategy.


Patent Overview and Filing Context

BRPI0611634 was filed to secure exclusive rights to a pharmaceutical invention intended for specific therapeutic applications. While the precise details depend on the patent document, typically, such patents cover compounds, formulations, or methods of manufacturing for a specific indication.

The patent application was filed with the National Institute of Industrial Property (INPI) of Brazil, a jurisdiction that often aligns patent standards with international frameworks like the Patent Cooperation Treaty (PCT) and TRIPS agreements [1].

Filing timeline:

  • Priority date and filing status significantly influence the scope; patents filed earlier tend to have broader prior art landscapes to navigate.
  • The duration of patent term (generally 20 years from filing) also factors into market exclusivity timelines, adjusted for prosecution delays.

Scope of the Patent

1. Patent Classification and Technical Field
BRPI0611634 falls within the pharmacological or medicinal preparations classification, likely designated under the International Patent Classification (IPC) codes such as A61K (preparations for medical, dental, or cosmetic purposes). This classification frames the patent's technological scope.

2. Nature of the Invention
While the specific patent claims are proprietary, patents in this space generally encompass:

  • Novel chemical entities or derivatives with therapeutic activity
  • Pharmaceutical formulations optimized for bioavailability or stability
  • Manufacturing processes intended to improve yield or purity
  • Methods for diagnosing or treating a specific condition utilizing the compound or formulation

3. Geographical and Patent Family Scope
It is crucial to evaluate whether the patent family includes filings in jurisdictions such as the United States, Europe, or other major markets. A broad family suggests extensive strategic protection, impacting the patent landscape and potential litigation or licensing opportunities.


Claims Analysis

1. Types of Claims
Patent claims define protective scope. For BRPI0611634, claims likely include:

  • Compound Claims: Covering the chemical structure, including derivatives or salts.
  • Use Claims: Describing therapeutic methods or indications.
  • Formulation Claims: Protecting specific compositions, excipient combinations, or delivery systems.
  • Process Claims: Covering methods of synthesis or formulation preparation.

2. Claim Scope and Specificity

  • Independent Claims: Usually broad, covering core inventions such as a novel compound or therapeutic method.
  • Dependent Claims: Narrower, emphasizing specific embodiments, dosage forms, or process details, providing fallback positions if broader claims are invalidated.

3. Claim Language and Prior Art:
Precise language ensures robust protection, while avoiding overlap with existing patents. The claims must distinguish the invention from prior art, potentially including prior pharmacological disclosures, chemical compounds, or formulation techniques.

4. Patentability and Potential Challenges:

  • The novelty and inventive step are crucial.
  • Prior art searches could reveal similar compounds or methods, risk-limiting claim scope or leading to opposition proceedings.

Patent Landscape and Competitive Environment

1. Major Patent Holders and Collaborators
Analysis reveals that competing patent families may include academia, biotech firms, or large pharmaceutical corporations. For instance, global players investing heavily in similar therapeutic areas could hold overlapping patents, creating a crowded landscape.

2. Patent Citations and Prior Art

  • Backward citations highlight the prior technologies referenced during prosecution.
  • Forward citations can indicate influential innovations, signaling the patent’s technological significance.

3. Overlapping Patents and Freedom-to-Operate (FTO)
Disputes are common when patents cover similar compounds or methods. Conducting an FTO analysis must include comparative assessments of claims and jurisdictions, particularly given Brazil's strict patentability criteria for pharmaceuticals.

4. Patent Term and Market Entry

  • Any patent term adjustments, extensions, or supplementary protection certificates (SPCs) influence market exclusivity.
  • Given the patent’s filing date and national law specifics, the expiration date determines scope for generic entry.

5. Market and Regulatory Landscape
Brazil’s regulatory agency, Anvisa, requires approval for marketing. Patent alignment with regulatory data exclusivity and data protection provisions can delay generic entry even after patent expiry.


Broader Patent Environment in Brazil

Brazil’s patent landscape for pharmaceuticals is characterized by stringent inventive step requirements and a recent history of robust patent examiners scrutinizing novelty, especially in chemical and medicinal fields [2]. It is vital to monitor Brazilian Patent Office (INPI) guidelines, amendments, and judicial decisions impacting patent scope and enforceability.

Additionally, local policies prioritize access to medicines, balancing patent rights with public health needs. Recent legal rulings, such as granting compulsory licenses or intervening based on public health emergencies, can influence enforcement.


Regulatory and Legal Considerations

  • Data Exclusivity: Brazil enforces data exclusivity periods that may extend beyond patent life, impacting generic entry [3].
  • Patent Term Adjustment: Patent term extensions are rare but possible if patent office delays occur.
  • Patent Challenges: Adversarial procedures, including oppositions or nullity petitions, are common, requiring vigilant monitoring of validity challenges.

Conclusion

BRPI0611634 presents a strategically significant patent with potentially broad claims covering novel therapeutic compounds or uses within Brazil's pharmaceutical patent landscape. Its scope is determined by its claims, finely balanced between broad protective intent and specificity to withstand prior art challenges.

The patent landscape in Brazil underscores a complex arena where patent validity, the presence of similar patents, and regulatory policies intersect, shaping a dynamic environment for pharmaceutical innovation and competition.


Key Takeaways

  • The scope of BRPI0611634 hinges on carefully drafted claims that balance broad protection with patentability.
  • A detailed claims analysis reveals whether the patent covers novel compounds, methods, or formulations, impacting licensing and enforcement strategies.
  • The patent landscape in Brazil is competitive, with a history of rigorous examination; aligning patent strategy with local legal and regulatory frameworks is essential.
  • Patent validity depends on ongoing novelty assessments and potential opposition proceedings; continuous monitoring is advised.
  • Data exclusivity and patent term considerations are critical for planning product lifecycle management in Brazil.

FAQs

1. How does Brazil’s patent scope compare to other jurisdictions?
Brazil typically requires specific claims demonstrating novelty and inventive step, often leading to narrower scope than in jurisdictions like the U.S. or Europe. Patent drafting must consider local legal standards to ensure enforceability.

2. Can existing patents in other countries impact BRPI0611634’s validity?
Yes. Prior art from foreign patents can be cited during Brazilian prosecution to challenge novelty or inventive step, influencing scope and enforceability.

3. What strategies can extend the patent protection of BRPI0611634?
Potential strategies include pursuing patent term extensions, supplementary protection certificates, or filing additional filings to cover new formulations or methods.

4. How important are patent claims in protecting pharmaceutical inventions?
Claims are central—they define the legal boundary of protection. Precise, well-drafted claims prevent infringement and deter competitors.

5. What should companies consider regarding the patent landscape before developing similar drugs?
Assessing patent scope, validity, and potential infringement risks is vital. Conducting freedom-to-operate analyses helps mitigate litigation risks and informs R&D direction.


References

  1. INPI. Brazilian Patent Law (Law No. 9,279/96).
  2. World Intellectual Property Organization. Patent Landscape Reports - Pharmaceuticals in Brazil.
  3. Anvisa. Data and Market Exclusivity Guidelines for Pharmaceuticals in Brazil.

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