E-2 Visa Immigration Lawyer. E-2 Granted in 12 Days for person doing business with China. To qualify for E-2 Visa Immigration Lawyer, the treaty investor must: Be a national of a country with which the United States maintains a treaty of commerce and navigation; Have invested, or be actively in the process of investing, a substantial amount of capital in a bona fide enterprise in the United States. The processing time for an E2 visa varies by Consulate anywhere from about two weeks to four months. Treaty Trader visas (E-1) and Treaty Investor visas (E-2) are non-immigrant visas for nationals of a country with which the United States maintains a treaty of friendship, commerce, and navigation. For an Investor present in the USA, the average time is 5 months. Premium processing time is 15 days for $2,500. For outside of the US, E2 visa processing time through a Consulate varies from 2 weeks to 4 months. Meet Us in USA, India, and Singapore.