Caitlin R. Tharp is a Partner at Steptoe LLP, based in the firm’s Washington, DC office. Caitlin’s multidisciplinary practice focuses on tax controversy, ERISA, and employee benefits, covering both litigation and counseling in those areas. She has more than a decade of experience handling disputes with tax authorities, both at the administrative level and in litigation, having represented clients in IRS examinations, achieved full IRS concessions at IRS Appeals, and resolved taxpayers’ administrative delays with the IRS. Her litigation experience spans all forums for tax disputes—the Tax Court, the Court of Federal Claims, various appellate courts, and federal district courts across the country—and has included challenges to regulations and sub regulatory guidance, the economic substance doctrine, excise taxes, alternative energy tax credits, captive insurance, the employee retention credit, and cross-border transactions.