Simple English definitions for legal terms
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Nonstatutory means that something is not enforceable by a law that was passed by a government. Instead, it may be enforced by other legal rules, like a tradition or a court decision. In the case of patents, something may be considered nonstatutory if it doesn't meet certain requirements, like being new or useful. Nonstatutory can also refer to a type of defense used in patent infringement cases, like when someone is prevented from making a claim because they waited too long to do so.
Definition: Nonstatutory refers to something that is not enforceable by enacted law, but rather by other legal precepts such as precedent or trade custom. In the context of patents, it refers to inventions that do not meet certain statutory requirements, such as novelty, utility, nonobviousness, or enabling description. It can also refer to equitable defenses to infringement claims, such as estoppel, inequitable conduct, or laches.
These examples illustrate how nonstatutory can refer to legal concepts that are not explicitly written into law, but are still enforceable in certain contexts. In the case of patents, nonstatutory requirements are used to determine whether an invention is eligible for patent protection. In the case of equitable defenses, nonstatutory concepts such as laches can be used to argue against a patent infringement claim.