трёхступенчатый тест(The Berne three-step test is a clause that is included in several international treaties on intellectual property. Signatories of those treaties agree to standardize possible limitations and exceptions to exclusive rights under their respective national copyright laws. wikipedia.org'More)
проверка изобретательского уровня(For a discussion of the inventive step test for "software patents" and "computer-implemented inventions" under the EPO case law, see also "Inventive step test" section in Software patents under the EPC. WK Alexander Demidov)