Irv Terrell’s national trial practice centers on business litigation of all kinds in Texas, Arizona, California, Delaware, Florida, Illinois, New Mexico, Louisiana, New York, and Pennsylvania: takeover suits, contract disputes, intellectual property claims, and business torts, including such matters as tortious interference, antitrust, fiduciary duty, fraudulent transfer, and securities fraud. He has also represented clients in election contests. In recent years, he tried five large complex cases to a result in succession. Mr. Terrell also defeated the SEC in New York City in 2007 and won a multi-billion trial judgment in 2009 for fraudulent transfer and breach of fiduciary duty.

In 2000, Mr. Terrell was trial counsel for President Bush and Vice President Cheney in the contested presidential election in Florida. In January 2001, he was selected by The National Law Journal as co-lawyer of the year for his trial work in Gore v. Bush. Mr. Terrell also served as lead trial counsel for Republican interests in the first Texas congressional and legislative redistricting litigation in Texas state and federal courts in 2001.