Morgan, Lewis & Bockius LLP advises a broad array of clients in complex and high stakes tax disputes, many of which potentially involve multibillion-dollar sums. The group is active on behalf of domestic and international clients across the retail, energy, and technology sectors, among others, and provides expertise in audits, appeals, and litigation. The department is led by Barton Basett, an expert in international tax issues based in Silicon Valley. Core team members within the department include Sheri Dillon in Washington DC, who is a federal tax controversy specialist with experience acting on behalf of both businesses and high net worth individuals, Chicago-based Thomas Linguanti, who is particularly active in audits and litigation related to transfer pricing, and Alex Sadler, in DC, whose practice covers international tax credit issues. Also based in DC are R&D credit specialist Doug Norton as well as Michael Kummer, a key name for transfer pricing matters. Rod Donnelly in Silicon Valley assists clients with a broad array of tax concerns, including Subpart F, foreign tax credits, and transfer pricing issues. SALT specialist William Gorrod joined the San Francisco office from Baker Botts L.L.P. in February 2024.

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Key clients

  • Perrigo Company
  • George Weiss Associates LLC
  • Medtronic
  • Best Buy Co., Inc.

Practice head

The lawyer(s) leading their teams.

Barton Bassett

Other key lawyers

Alex Sadler, Thomas Linguanti, Michael Kummer, Douglas Norton, Scott Farmer, Rod Donnelly, Sheri Dillon, William Gorrod