Here is what you need to know about the Philadelphia Office of Worker Protections and how you can access protections regarding your work visa or work status. Below is a guide to submitting an application, and information to help ensure that you meet all requirements for employment with ICE.Our non-immigrant department brings you vast experience in preparing H1B petitions. What does the immigration petition process look like? Filling out applications may often be confusing. Jefferson works with outside immigration counsel to prepare and submit H-1B petitions. Typical preparation and processing time for a new petition is 180 days. Obtaining an immigrant visa through an employment-based visa requires three steps: The first is a labor certification petition. US work visas requires the prospective employer to first file a petition with U.S. Citizenship and Immigration Services (USCIS). John J. Hykel can help individual workers who have obtained employment offers in the United States.