January 30, 2026
Halliburton has overblown its attorney-client privilege claims over a set of key legal documents the U.S. Department of Justice wants the global oil field operator to disclose as part of the company's $35 million tax refund dispute, the DOJ told a Texas federal court.
September 18, 2025
Halliburton can continue challenging the legality of a U.S. Treasury Department regulation that denies tax deductions for settlement agreements, a Texas federal judge ruled, refusing to toss the company's claims connected to the deductibility of a $35 million payment to Nigeria's government.
June 02, 2025
The Internal Revenue Service should be ordered to comply with Halliburton's discovery requests in a dispute over a $35 million deduction for payments the company said it made to a foreign government to protect its employees from harassment, the company told a Texas federal court.
December 13, 2024
Halliburton has not changed its reasons for claiming a tax refund on a $35 million payment it made to a foreign government to protect its employees from harassment, the company told a Texas federal court, saying the U.S. wrongly accused it of a flip-flop.
November 22, 2024
A Texas federal court must dismiss parts of Halliburton's $35 million tax refund lawsuit because the company failed to raise two grounds of relief in its administrative claim for a refund, the U.S. argued.
September 24, 2024
A Halliburton Co. lawsuit claiming a deduction for a $35 million payoff to a foreign country must be dismissed because the company waited too long to start its action, the U.S. told a Texas federal court.
June 07, 2024
The Internal Revenue Service is arbitrarily and wrongfully refusing to refund Halliburton over $11.3 million in tax deductions taken for a payment to a foreign government to secure the safety of the company's employees, Halliburton told a federal court.