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Simple English definitions for legal terms
constructive reduction to practice
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A quick definition of constructive reduction to practice:
Constructive reduction to practice is when someone shows that their invention will work by filing a detailed patent application that explains how to make and test the invention. This is important because it helps determine who gets the patent for the invention. It's like showing your teacher your homework before you actually turn it in to make sure it's correct. Another way to show that an invention works is through actual reduction to practice, which means physically making and testing the invention. There's also a doctrine called vicarious reduction to practice, which means if one person proves they made the invention work, it can count for someone else who claims they made it work too.A more thorough explanation:
Definition: Constructive reduction to practice is the documented demonstration that an invention will perform its intended purpose, contained in a patent application that provides enough detail that a person skilled in the art could make and test the invention.
For example, if someone invents a new type of engine, they can file a patent application that includes detailed instructions on how to make and use the engine. This patent application serves as a constructive reduction to practice because it demonstrates that the invention will work as intended and provides enough information for someone skilled in the art to make and test the engine.
The date of constructive reduction to practice is important in determining priority between inventors competing for a patent on the same invention. It is also important for establishing the completeness of an invention for patent purposes.