Mayer Brown has added an attorney to its tax controversy practice in Washington.
Jason Osborn rejoins the firm as a partner. He most recently served as a senior technical reviewer in the transfer pricing branch of the in the Internal Revenue Service's office of associate chief counsel. He was an associate at Mayer Brown for five years before joining the IRS in 2008.
Osborn focuses his practice on representing clients in matters related to transfer pricing controversies, transfer pricing planning services and the negotiation of advance pricing agreements with the Internal Revenue Service and other tax authorities.
"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," Joel Williamson, co-leader of Mayer Brown's tax controversy practice, said in a written statement. "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."