As far as practicing law in the US, you would need to pass the bar exam in the jurisdiction where you wanted to practice.  The qualifications to sit the bar vary from state to state so you'd need to contact the State Bar where you wanted to practice.\n\nThere's another alternative that might be of interest, especially if your are of expertise is in business law.  Many American corporations have subsidiaries or production facilities in foreign countries.  They need to ensure that they don't violate local laws and their American staff attorneys are pretty useless for this.  You could be valuable to them if they have facilities in your native country, particularly if you have strong English skills.