Our expertise runs the gamut from more routine H-1Bs to complex O-1s; from PERM to petitions for aliens of extraordinary ability and national interest waivers. To learn more about our attorneys, click here.


While national approval rates have declined significantly, our success rate remains more than 95%. We have successfully represented thousands of individuals, including self-petitioned green cards in a wide range of fields and disciplines throughout the arts, sciences, business, and more. Click here to read some of our success stories.


We have a well-deserved national reputation for creative solutions to difficult problems. We work with you to understand your field, and where relevant, to present your accomplishments in the best light. All cases are closely managed by one of our partners.


Each member of our firm is trained to respond to every telephone call and every e-mail promptly, and no more than 24 hours after receipt. We do everything possible to avoid emergencies by advance planning.


We are leaders in the field. Recognized as a  2016 “Best Law Firm in America/ U.S. News and World Report”, the firm’s lawyers have received recognition in Chambers and Partners Global, HRE Executive Online and Pennsylvania Super Lawyers. The firm Chairman, H. Ronald Klasko, was rated by the International Who’s Who of Business Lawyers in the 2007 and 2008 editions as the most respected corporate immigration lawyer in the world. This rating was based upon nominations from both clients and other immigration lawyers. Our partners include the incoming president of the American Immigration Lawyers Association (AILA), a past AILA Chairman, the former Chairman of board of trustees of the American Immigration Law Foundation (AILF), current members of AILA’s Board of Governors, and current Chairs of AILA committees.