# Reduction to practice

Turning an idea into a working form: either by actually building and testing it (actual reduction to practice) or by filing a patent application that fully describes how to make and use it (constructive reduction to practice).

**Full entry:** https://patentbrief.org/glossary/reduction-to-practice

**All patent terms:** https://patentbrief.org/glossary

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_Source: PatentBrief — https://patentbrief.org. A plain-English glossary of US patent terms._