You will need to file an USCIS's I-130 form (Petition for Alien Relative) and an I-485 form (Application to Register Permanent Resident or Adjust Status). For the majority of people applying for a K-3 visa, the easiest way to do it is to work with a Philadelphia K-3 spouse visa lawyer.- The processing time for U.S. citizens filing Form I-130 for a spouse beneficiary ranges from 13-54.5 months. Immigration Lawyers at Dizengoff and Yost law firm help couples in Philadelphia with the Marriage Green Card Application Process. If you are seeking legal assistance for a K-1 visa or marriage green card, contact MC Law Group for a free consultation to get the help you need. The simplest proof the USCIS will require is a copy of your marriage certificate, but this can also get complicated. To sponsor your family member, submit a United States Citizenship and Immigration Services (USCIS) Form I130. To sponsor your family member, submit a United States Citizenship and Immigration Services (USCIS) Form I130. After your marriage, you will need to file a Form I130 immigrant petition with USCIS. Family Visa Preference Categories.