McKesson Says Loper Bright Sinks IRS Cost-Sharing Rules

By Natalie Olivo · May 11, 2026, 2:54 PM EDT

Pharmaceutical giant McKesson asked a Texas federal court to strike down cost-sharing transfer pricing regulations that underpin the company's $10 million tax refund bid, arguing the U.S. Supreme Court's Loper Bright...

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Case Information

Case Title

McKesson Corporation and Subsidiaries v. United States of America

Case Number

3:25-cv-01102

Court

Texas Northern

Nature of Suit

Federal Tax Suits: Taxes (US Plaintiff or Defendant)

Date Filed

May 02, 2025