If the FTC wins, ticketing companies that run their own resale marketplaces could be held liable for reselling tickets they knew, or should have known.
The ruling does not put a number on what Corcoran owes, but representatives for Chance say he is likely to forfeit up to $1.5 million in management fees.
The plaintiff says its representatives came to what they considered to be the "obvious and inescapable conclusion" that Dean's song copied the Withers track.
Michael Smith's lawyers argued that his scheme caused only "tiny, immeasurable losses" spread across millions of songwriters and artists, Billboard reported.
The venue claims StubHub tells buyers that tickets are nearly gone while the venue itself still has its full allocation on sale, at a fraction of the price.