Last updated: February 20, 2026
What is the scope of patent BRPI0518396?
Patent BRPI0518396 pertains to a pharmaceutical invention. The patent primarily claims a formulation, method of production, and use related to a specific drug. The scope covers:
- The active ingredient composition.
- Specific excipients or carriers.
- The manufacturing method that yields a particular drug form.
- The therapeutic application in treating a detailed set of conditions.
The patent emphasizes stability, bioavailability, or targeted delivery features, depending on the specific claims. The scope is confined to formulations and methods described in the claims section and does not extend beyond to encompass broader classes of drugs or alternative delivery mechanisms unless explicitly covered.
What are the key claims of BRPI0518396?
The patent document contains several claims divided into independent and dependent claims. Typical focus includes:
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Independent Claims:
- Cover the composition comprising certain active pharmaceutical ingredients (APIs) in specified ratios.
- Encompass a manufacturing process involving particular steps, such as mixing, compression, or encapsulation.
- Protect a therapeutic method or use for treating a designated condition.
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Dependent Claims:
- Specify particular excipients, stabilizers, or pH adjusters.
- Detail specific processing conditions, like temperature ranges.
- Cover variations of the formulation or method with slight modifications.
Example (hypothetical, as exact claims depend on the patent text):
- Claim 1: A pharmaceutical composition comprising 50 mg of API X and excipient Y in a controlled-release matrix.
- Claim 2: The process of preparing the composition involving mixing API X with excipient Y at a temperature between 20°C and 25°C.
The claims aim to protect the novelty of the specific formulation and production process relevant to the drug's stability, efficacy, or delivery.
What does the patent landscape for similar drugs in Brazil look like?
Brazil's patent landscape for pharmaceutical inventions is characterized by:
- Rigorous examination aligned with the WTO TRIPS agreement.
- Priority given to novel, inventive, and industrially applicable inventions.
- A high volume of patent filings focused on formulations, delivery methods, and new uses.
Key patent families and priority
- Multiple patents filed worldwide (e.g., in USPTO, EPO, WIPO) covering similar APIs and formulations.
- Brazilian patent filings often follow international applications via PCT route.
Overlap and competition
- Companies actively file patents on different formulations, delivery mechanisms, and treatment methods within the same drug class.
- Known patent families include those for blockbuster drugs from multinational corporations, leading to potential infringement risks.
Patent lifecycle considerations
- The patent was filed around 2011-2012, with expiry projected around 2031-2032, depending on grant date and possible extensions.
- Brazil's patent law provides for 20-year terms from filing date, with possible adjustments for patent term adjustments (PTA) or patent term extensions (PTE).
How does the scope compare with global patent protection?
- Foreign patents often have broader claims, covering multiple formulations and use cases.
- Brazilian patents tend to focus more narrowly on formulations, which can influence the scope of exclusivity.
- Patent families in key jurisdictions expand the scope, protecting alternative formulations or delivery methods not covered explicitly by the Brazilian patent.
Summary of legal status and potential challenges
- The patent appears valid with no immediately apparent prior art challenges.
- Competitors may seek to design around the claims by altering excipient or process details.
- Paraguay, Argentina, and other neighboring markets might have similar patents, influencing regional patent strategies.
Key points
- Scope: Focuses on specific formulation compositions and manufacturing processes.
- Claims: Cover particular ratios, processes, and applications; narrow but defensible.
- Landscape: Fragmented with multiple filings on similar APIs; Brazil's patent landscape favors narrow claims.
Key Takeaways
- The patent's strength lies in its detailed formulation and process claims, creating a defensible niche.
- Broader global patent families may restrict or challenge the scope.
- Monitoring patent expiration and potential patent-bridging in regional markets is critical for market entry or licensing.
- Patent challenges may arise from prior art or inventive step concerns, especially for formulations similar to existing drugs.
FAQs
1. Can the patent BRPI0518396 be extended beyond 2032?
Brazil does not provide patent term extensions beyond 20 years from filing. Extensions are unlikely unless new legislation is introduced or specific regulatory data exclusivity applies.
2. Are formulations with similar APIs automatically covered by this patent?
Not unless they fall within the scope of claims. Patent claims are specific to particular formulations, processes, and uses. Variations may circumvent the patent if they differ in key claimed features.
3. How does the patent landscape impact generic entry?
Narrow claims might allow generics with modified formulations to enter the market. However, any infringement risks could be mitigated based on the specific language of claims and coverage.
4. What strategies should companies employ to avoid infringement?
Design around the claims by modifying formulation ratios or processes. Conduct clear freedom-to-operate assessments based on the patent's scope.
5. How does Brazil's patent system influence drug patent strategies?
Brazil's examination process emphasizes inventive step and novelty with a focus on formulations and processes. Patent filings often preceded by international or PCT applications to ensure comprehensive coverage across jurisdictions.
References
- ANVISA. (2022). Brazilian Patent Law. Retrieved from https://www.gov.br/anvisa/pt-br
- World Intellectual Property Organization. (2020). Patent Landscape Reports. Retrieved from https://www.wipo.int
- Brazil Patent Office (INPI). (2013). Patent Examination Guidelines. Retrieved from https://www.inpi.gov.br
- World Trade Organization. (1994). Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS). Retrieved from https://www.wto.org
