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William E. KellnerBusiness Attorney in Lafayette, LA
The Onebane Law Firm, APC
BusinessEnergyPersonal Injury
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Contact
Email
kellnerw@onebane.com
Phone
(337) 935-3438
Address
1200 Camellia Blvd Ste 300, Lafayette, LA, 70508, US
Professional
About
William E. Kellner is a distinguished attorney at The Onebane Law Firm, APC, located in the heart of Lafayette, Louisiana. With an impressive career spanning over five decades, Mr. Kellner has established himself as a leading authority in the fields of business law and oil and gas law. His extensive experience and deep understanding of these complex practice areas have made him a trusted advisor to a diverse clientele, including multinational corporations, local businesses, and industry leaders. At The Onebane Law Firm, Mr. Kellner is renowned for his strategic approach and meticulous attention to detail. He excels in navigating the intricate legal landscapes of business transactions and oil and gas operations, providing clients with innovative solutions tailored to their unique needs. His commitment to excellence and unwavering dedication to his clients' success have earned him a stellar reputation in the legal community. Whether guiding a startup through the intricacies of business formation or advising on regulatory compliance in the energy sector, Mr. Kellner's proactive and results-driven approach ensures that his clients' objectives are not only met but exceeded. Beyond his legal expertise, William E. Kellner is deeply committed to fostering long-lasting relationships with his clients, built on trust and transparency. He believes in open communication and works closely with clients to understand their goals and challenges, ensuring that every legal strategy aligns with their broader business objectives. His ability to combine insightful legal counsel with a personalized touch has made him an invaluable asset to those he represents. For businesses seeking knowledgeable and reliable legal guidance in Lafayette and beyond, Mr. Kellner remains a steadfast advocate and a pillar of integrity in the legal profession.
About Business Law
Business law attorneys advise companies on legal matters including formation, contracts, compliance, and transactions. They help businesses navigate regulatory requirements and protect their interests. Common matters include business formation, contract drafting, mergers and acquisitions, commercial disputes.
Credentials
Education
1975 Louisiana State University, Paul M. Hebert Law Center JD - Juris Doctor 1973 University of Southwestern Louisiana BS - Bachelor of Science
Recognition & Involvement
Associations
Lafayette Parish Bar Association Member Louisiana State Bar Association Member American Bar Association Member
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Updated: Jun 25, 2026