Mary Catherine Joiner

4.5 (31 reviews )

Baton Rouge Louisiana United States

Energy Law Natural Resources Law Oil and Gas Law

Recognized in Ones to Watch since 2025

225-490-5000 Website

About Mary

Mary Catherine Joiner is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law, Natural Resources Law and Oil and Gas Law.Mary Catherine, 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 Mary Catherine is held by other top lawyers in the same geographic and legal practice area.

Mary Catherine Joiner is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law, Natural Resources Law and Oil and Gas Law.

Mary Catherine, 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 Mary Catherine is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Energy Law

Natural Resources Law

Oil and Gas Law

Education

Southern University Law Center

Awards & Recognition

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Reviews

4.5 / 5

31 Reviews

1,038 Profile Views

Domingo Bruen

Feb 02, 2026

Mary Catherine Joiner did a great job handling my complex Energy Law case from start to finish

Needed help with Energy Law and Mary Catherine Joiner delivered on their promises. They're professional, efficient, and easy to talk to. Good choice for anyone in Louisiana looking for high-quality le...

Rodolfo Brown

Feb 02, 2026

Solid work and professional service from Mary Catherine Joiner in Baton Rouge for Louisiana residents

I've worked with a few lawyers in Baton Rouge over the years, but Mary Catherine Joiner stands out for their honesty and thoroughness. They were clear about the process and kept me updated at all time...

Geneva Daugherty

Feb 02, 2026

Really helpful and compassionate service from everyone at Mary Catherine Joiner's firm

Everyone at Mary Catherine Joiner's office in Baton Rouge was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and explaining everything clearly. I never...

Jordan Casper

Feb 02, 2026

So glad I called Mary Catherine Joiner to handle my Energy Law case in Baton Rouge

Mary Catherine Joiner has been doing this since 2025, and it definitely shows in their work. They're pros through and through and I wouldn't trust anyone else with my legal matters in Louisiana. Their...

Donna Ziemann

Feb 02, 2026

Excellent legal representation provided by Mary Catherine Joiner for my Energy Law case

Best lawyer for Energy Law in Baton Rouge. Period. I've seen others, but Mary Catherine Joiner is on another level. They truly care about their clients and work hard to get the best results. I am so t...