Mario Musil Immigration Attorney, An experienced Portland Oregon Immigration Lawyer can assist you will all reas of immigration law including: Marriage Visas, Green Cards, US Citizenship, Fiance Visas, Deportation Defense, Business Visas, Employment Visas and More. Immigration Law is one of the most complex areas of law, second to maybe US Tax laws. The rules and laws change sometimes on a weekly basis and keeping up with the changes is essential to a successful immigration application. Attorney Mario Musil keeps himself updated with daily changes so that you do not have to stress about the successful outcome of your case.