James P. Fuller

Partner, Tax  

Mountain View 650.335.7205


Jim Fuller is a partner in the Tax Group at Fenwick & West LLP in Mountain View, California. Euromoney named Fuller eight times as one of the world’s top 25 tax advisers, most recently in 2019.

He is the only U.S. tax adviser to receive a Chambers star performer rating (higher than first tier) in Chambers USA (2019). He also is one of the three “most highly regarded” U.S. tax practitioners according to Who’s Who Legal (Law & Business Research Ltd).

Legal 500 has included Fuller in its “Halls of Fame” for both Corporate Tax and International Tax. Chambers Global (2019) also has Fuller in the first tier in both of these categories, one of only two US tax advisors to be first tier in both.

Fuller also is one the U.S.’s top 30 transfer-pricing advisors, according to Euromoney (2019).

Fenwick has represented 6 of the Fortune Top 10 companies, over 50 of the Fortune 100 companies, and over 100 of the Fortune 500 companies in federal tax matters. Fuller and his firm have served as counsel in over 150 large corporate IRS Appeals proceedings and over 75 large-corporate federal tax court cases. Some of these have been for Fortune Top 10 companies.

Fenwick is first tier in International Tax Review's World Tax 2020 in Corporate Tax, Tax Controversy and International Tax, the only firm in California to be named first tier in all three categories, and one of only three firms in the US to be so named.

International Tax Review named Fenwick & West "Tax Firm of the Year for the San Francisco Area” 10 times and “U.S. (or Americas) Tax Litigation Firm of the Year” five times. Fenwick also has received a Transfer Pricing Firm of the Year award, been named “Americas M&A Tax Firm of the Year” and received a number of ITR’s M&A and JV Tax Deal of the Year awards.