QuoteHow familiar do you think More might have been with Epicurus?
Thomas More (1478-1535) published Utopia in 1516; for reference, here are some of the relevant texts from antiquity by first Latin translation, first Latin printing, and the first Aldine press edition of the Greek text:
And here is the editor of a 1964 edition [archive.org] of Utopia commenting on More's sources;
So to answer your question, he appears to have been quite familiar with the standard texts on Epicureanism!