 In 1988, Teece founded the Law and Economics Consulting Group with other professors from UC Berkeley, providing expert witness testimony in cases including Oracle’s PeopleSoft merger battle.Teece has worked on matters in industries ranging from music recording to DRAMS, software, lumber, and petroleum, and has testified in both state and federal court, before Congress, and before the Federal Trade Commission, as well as in international jurisdictions.In the 2000 Napster, Inc. case, record companies acting as plaintiffs hired Teece to write an expert report in an attempt to shut down the free digital file-swapping site.