lex loci actusglossary / LEX LOCI ACTUS lex loci actus (leks loh-sIak-t[schwa]s). [Law Latin] The law of the place where an act is done or a transaction is completed. — Often shortened to lex actus. 词条贡献者 译员黎川,在一家顶尖澳洲律师事务所的上海办公室担任全职法律翻译,擅长翻译涉及工业与制造业领域的法律文件。