Processing times for work visas in the US can vary based on factors like visa type, USCIS service center, and workload H-1B visas can take 3 to 6 months with regular processing, while L-1 visas range from 1 to 6 months O-1 visas take 2 to 4 months, E-2 visas take 2 to 4 months, and TN visas for Canadians are often immediate Factors like application type and volume can affect processing times, so consider premium processing and advice from an immigration attorney for a smoother process

At least a month