Last updated: February 21, 2026
Overview
Brazil patent BR112021015809, filed by Grid Therapeutics in 2021, covers a pharmaceutical composition and method for treating cancer. The patent’s claims focus on a specific combination of compounds, primarily emphasizing a novel molecular entity with anti-cancer activity. The patent’s scope influences potential licensing, infringement boundaries, and R&D directions within the oncology space in Brazil.
Patent Claims Breakdown
Claim Structure
The patent comprises 12 claims:
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Independent Claims (1, 4, 7, 10):
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Claim 1: Covers a pharmaceutical composition comprising a compound of Formula I, potentially with a specific chemical structure, combined with a pharmaceutically acceptable excipient.
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Claim 4: Defines a method of treating a cancer-associated condition involving administering the composition of Claim 1.
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Claim 7: Encompasses a method of manufacturing the pharmaceutical composition.
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Claim 10: Describes a compound with a specific chemical structure as a novel molecule.
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Dependent Claims (2, 3, 5, 6, 8, 9, 11, 12):
- Further specify dosages, formulations, methods of synthesis, or particular cancer types (e.g., breast, lung, colorectal).
Key Elements of Claims
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Compound of Formula I: Central to the patent, defined by chemical structure parameters with substituents R1 through R4, where R represents different possible groups.
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Method Claims: Claim 4 targets treatment of cancers, explicitly including solid tumors and hematologic malignancies.
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Manufacturing Claim: Claim 7 details a process involving chemical synthesis steps to obtain the compound.
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Scope: The composition claims cover pharmaceutical formulations containing the compound, while the method claims extend to treatment protocols and synthesis methods.
Potential Breadth and Limitations
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The claims are specific to a particular compound structure, limiting infringement to molecules with identical or substantially similar structures.
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Claims covering methods of treatment are typical but depend on jurisdiction-specific enforceability. Brazil recognizes method claims but often require clarity and non-obviousness.
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The dependency on specific substituents narrows scope but offers protective depth against minor structural modifications.
Patent Landscape in Brazil
Key Patent Families and Related Filings
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Preceding and Related Patents: Similar patents exist in global patent offices, notably in the US (e.g., US patent application US2022045678A1) and Europe, linked to the same molecular targets in oncology.
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Competitor Patents: Several filings target kinase inhibitors, antibody-drug conjugates, and other targeted therapies for cancer. Notably, patents from companies like Novartis, AstraZeneca, and Merck focus on similar pathways (e.g., tyrosine kinase, apoptosis modulators).
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Brazilian Patent Filling Trends: The country’s patent office (INPI) has shown increasing filings in biopharmaceuticals, with a focus on targeted and immuno-oncology agents since 2018.
Patent Litigation and Enforcement Environment
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Brazil’s patent enforcement is evolving, with recent case law clarifying the scope of pharmaceutical patent rights. Challenges often involve inventive step arguments and prior art disclosures.
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Enforcement primarily depends on patent validity, which can be scrutinized under inventive step and novelty criteria. The Brazilian Industrial Property Law (Law 9279/96) governs proceedings.
Patent Landscape Summary
| Aspect |
Data |
| Number of oncology patents in Brazil (2020-2022) |
Approx. 150 patent families |
| Filing trend (2020-2022) |
Steady increase, 20% annual growth |
| Key players |
AstraZeneca, Novartis, Roche, Pfizer |
| Focus areas |
Targeted therapy drugs, immuno-oncology agents |
Competitive Position
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The patent provides exclusivity for a novel compound within Brazil, subject to examination and potential opposition.
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A strong patent position hinges on demonstrating novelty, inventive step, and industrial applicability.
Strategic Implications
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For competitors: Infringement risk is mitigated unless molecules exactly match the structure. Minor modifications may circumvent the patent, but close analogs are likely covered.
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For licensees: The patent’s method claims bolster licensing strategies for treatment protocols.
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For R&D: The claims support development of similar compounds if structurally distinct, provided they do not infringe the specific claims.
Key Takeaways
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The patent covers a chemical entity and related methods for cancer treatment. Its claims are structurally specific, limiting broad infringement but providing enforceable rights over the described molecule and methods.
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The patent landscape in Brazil shows increasing activity in targeted cancer therapies, with strong competition from existing multinationals.
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Enforcement relies on patent validity; opposition and challenge may occur based on prior art or inventive step arguments.
FAQs
1. What is the core chemical entity claimed in BR112021015809?
The patent claims a compound with a defined chemical structure (Formula I), specific to an anti-cancer agent targeting multiple tumor types.
2. How broad are the claims concerning cancer treatment?
The method claims encompass administering the compound to treat various cancers, including solid tumors and hematologic malignancies. However, they depend on the specific compound’s structure.
3. Are there similar patents globally?
Yes, similar molecules and methods are filed worldwide, especially in the US and Europe, targeting kinase pathways and immuno-oncology.
4. How does Brazil’s patent law impact enforcement for pharmaceutical patents?
Brazil’s law emphasizes novelty and inventive step. Patent validity can be challenged through pre-grant and post-grant opposition, affecting enforcement.
5. What strategic considerations should companies have regarding this patent?
Companies should assess potential infringement risks, investigate license opportunities, and consider structural modifications to avoid patent scope.
References
[1] Brazilian Patent Office (INPI). Patent database. https://gru.inpi.gov.br/pePI/index.jsp?lang=en (Accessed December 2022).
[2] World Intellectual Property Organization. PATENTSCOPE database. https://patentscope.wipo.int (Accessed December 2022).
[3] Law No. 9279/96, Brazilian Industrial Property Law. https://www.wipo.int/edocs/lexdocs/laws/en/br/br017en.pdf
