About
William A. Barth is the founder and President of Barth Law, PLLC, in Louisville, Kentucky. With over 35 years of legal experience, he focuses primarily on immigration law, serving both individual and corporate clients with precision and dedication. His practice includes securing temporary and permanent visas for employees, assisting families with green cards, and advising companies on compliance and legal pathways for foreign professionals. Known for his hands-on approach, Mr. Barth has guided organizations like the Kentucky Farm Bureau and medical institutes through complex immigration matters.
Mr. Barth earned his J.D. from the University of Chicago Law School in 1982 and his B.A. from Cornell University in 1979. He graduated with distinction and was elected to Phi Beta Kappa.
Mr. Barth is admitted to practice in Kentucky and before the U.S. Supreme Court, the Sixth and Seventh Circuit Courts of Appeals, and the U.S. District Courts for both Eastern and Western Districts of Kentucky. His immigration practice covers work visas such as H, L, TN, and E categories, as well as family-based immigration solutions. In addition to immigration law, he also provides counsel in business and commercial law, trademarks, and copyrights, offering a well-rounded legal service to clients across sectors.
Clients commend William A. Barth and his team for their clear communication, professionalism, and commitment to achieving results. His ability to navigate legal complexities with clarity and efficiency has earned him long-standing client relationships and consistent referrals. From Fortune 500 companies to local entrepreneurs and families, Mr. Barth’s legal knowledge and personal attention have helped countless clients resolve immigration challenges and build strong legal foundations.
Law Office Affiliations
- President, Barth Law, PLLC
- Former Attorney, Ogden, Newell & Welch
- Member, Kentucky Bar Association
- Member, U.S. District Court Western District of Kentucky
- Member, U.S. Court of Appeals 6th Circuit
- Member, U.S. Court of Appeals 7th Circuit
- Member, U.S. Supreme Court
Licensed State
- Kentucky
Education
- University of Chicago Law School
Juris Doctor (J.D.) - Cornell University
Bachelor of Arts (B.A.)
Awards & Badges




- Asylum
- Citizenship
- Contracts And Agreements
- Corporate
- Franchise, Dealership & Partnership
- Limited Liability Company (LLC)
- Copyright
- Trademark




