substantial invalidity
[/səbˈstænʃəl ɪnvəˈlɪdəti/]
nounpl: substantial invalidities
invalidade substancial
1. A significant or material defect in a legal document, contract, or patent that renders it fundamentally flawed and unenforceable or invalid
The court found substantial invalidity in the patent claims due to lack of enablement.
O tribunal encontrou invalidade substancial nas reivindicações da patente devido à falta de capacitação.
2. In law, a defect that goes to the core or essence of a legal instrument, as opposed to a minor or technical flaw
The contract suffered from substantial invalidity because the parties lacked capacity to enter into the agreement.
O contrato sofreu de invalidade substancial porque as partes não tinham capacidade para celebrar o acordo.
3. A fundamental breach or violation of legal requirements that is not merely procedural or formal
Substantial invalidity of the will was proven when evidence showed the testator lacked testamentary capacity.
A invalidade substancial do testamento foi comprovada quando as provas mostraram que o testador não tinha capacidade testamentária.
This is primarily legal and technical terminology used in intellectual property law, contract law, and civil litigation in both Brazil and the United States. It is essential in patent disputes and contract validity assessments. The term is more prevalent in formal legal documents and court proceedings than in everyday conversation.
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