Washington, DC, 17  January 2013 – Mayer Brown, a leading global law firm, announced that Jason Osborn has rejoined the firm in Washington, DC as a partner in the Tax Controversy practice. Previously, he served in the Internal Revenue Service (IRS) Office of Associate Chief Counsel (International), most recently as senior technical reviewer in the transfer pricing branch, and before that, as a team leader in the Advance Pricing Agreement Program. Prior to joining the IRS in 2008, Mr. Osborn was an associate at Mayer Brown for five years.

“Jason has unique combined government and law firm experience in handling sophisticated transfer pricing controversy and transfer pricing planning matters, including the negotiation of advance pricing agreements,” said partner Joel Williamson, co-leader of Mayer Brown’s Tax Controversy practice. “His first-hand knowledge of IRS procedures and trends makes him a rare resource for multinational clients across a broad range of financial and industrial companies. His arrival further strengthens Mayer Brown’s tax capabilities in Washington, DC and around the globe, and in particular provides cutting-edge knowledge in complex cross-border transactions.”

Mr. Osborn represents clients in various industries on transfer pricing controversies, transfer pricing planning services and the negotiation of advance pricing agreements with the Internal Revenue Service and other tax authorities throughout the world. He has a deep technical understanding of several areas related to international transfer pricing, including cost sharing arrangements, tangible and intangible property transfers, valuations, intercompany services, intercompany guarantees and loans, and cross-border restructurings. 

“Mayer Brown’s global platform and outstanding reputation as a preeminent law firm in the tax and international transfer pricing fields were key factors in my decision to join the firm,” said Mr. Osborn. “I look forward to rejoining some of the best legal practitioners in the transfer pricing arena and leveraging my tax controversy and tax transactions experience to solve client challenges.”

Mr. Osborn earned a JD degree from Notre Dame Law School and received a BA from Hamilton College.