John W. Barton, Jr.

Michael K. Leachman is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property, Litigation - Patent and Trademark Law. Michael K., who practices law in Baton Rouge, Louisiana, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael K. is held by other top lawyers in the same geographic and legal practice area.

Connell is a member of Butler Snow’s Tort, Transportation and Specialized Litigation Group. He focuses his practice on defending commercial insurers (trucking accidents), construction litigation, and legal and professional malpractice.

Katherine King is an attorney with Kean Miller in Baton Rouge, Louisiana, where her practice focuses on Administrative / Regulatory Law , Communications Law, and Energy Law. She advises clients on project development and electric regulatory matters involving a wide range of generation projects. Katherine regularly works with electric generators and project developers on structuring generation projects to meet business objectives while complying with federal energy regulatory requirements and ...

Charles Landry is a partner and member of Fishman Haygood’s Business Section. Charles concentrates his practice in the areas of real estate development, real estate finance, land use and zoning. He has represented numerous parties in a wide range of real estate transactions, which include residential developments (including Traditional Neighborhood Developments), office buildings, shopping malls and centers, hotels and medical facilities, golf course communities, and industrial developm...

Willie Kolarik is an attorney and certified public accountant at Kean Miller in Baton Rouge, Louisiana, where he focuses his practice on Litigation and Controversy – Tax and Tax Law . He serves as tax counsel to many large domestic and international businesses across a wide range of industry sectors, including energy, financial institutions, manufacturing, industrial products, retail, consumer goods, healthcare, gaming, entertainment, and utilities. His background includes in-house Fort...

Barrye Panepinto Miyagi, JD, CMSP-F, is a Partner at Taylor Porter. She practices in the areas of general litigation, toxic tort defense, alternative dispute resolution, and Medicare Secondary Payer and MMSEA (Section 111) Compliance. Barrye has more than 25 years of experience defending some of the region’s most prominent petrochemical, energy and manufacturing companies. She defends premises owners in chemical exposure cases and other personal injury claims. She also defends premises ...

Mack Gregorie is an attorney with Kean Miller in Baton Rouge, Louisiana, focusing his practice on Corporate Law and Real Estate Law . He advises clients on a wide range of business and corporate transactions, including commercial and industrial real estate matters and finance-related issues. His work regularly involves representing international petrochemical companies, energy producers, banks and other financial institutions, as well as buyers and sellers, landlords and tenants, and lenders ...

Esteban Herrera is an AV-rated attorney by Martindale-Hubbell, recognized in The Best Lawyers in America for Environmental Law, and included on the Lawyers of Color Power List. Based in Baton Rouge, Louisiana, he is a member of Kean Miller and represents local, national, and international energy and industrial clients in matters involving environmental regulation and litigation, oil and gas law and litigation, insurance coverage disputes, and toxic tort defense . Throughout his decades-long l...

Errol J. King Jr. is a member of the Health Law Group in the Firm's Baton Rouge office. He focuses his practice primarily in the representation of managed care organizations, having been appointed in April 1996 by Louisiana's Commissioner of Insurance to serve as general counsel and an initial member of the Louisiana Managed Health Care Advisory Board, which advises the commissioner on managed care issues impacting the state of Louisiana. He has been listed in The Best Lawyers in America®...

Richard Matheny practices in the areas of tax, public utilities and electric power, energy, corporate and securities, and general business matters. He represents clients in mergers and acquisitions of financial institutions, electric utilities and other businesses, representing both buyers and sellers. Mr. Matheny served as an active duty officer in the U.S. Air Force, is a certified public accountant (inactive) and was a tax accountant with the international accounting firm of Ernst & Wh...