Joseph Madonia's areas of legal expertise include licensing agreements, copyright, and intellectual property. His clients have included some of the biggest names in music, sports, Hollywood, fashion, and publishing. He has represented and/or worked on business deals involving members of numerous bands, such as Fleetwood Mac, Guns N' Roses, the Smashing Pumpkins, and the Staple Singers, as well as Elton John. In the world of sports, Madonia has represented and/or worked on deals with basketball icons Michael Jordan, Scottie Pippen, and Magic Johnson; the late soccer star Diego Maradona; and Baseball Hall of Fame inductee Frank Thomas. Madonia's dozens of corporate clients have included Motown Records and the Gibson Guitar Corporation.