James R. "Sonny" Chastain, Jr.

James R. "Sonny" Chastain, Jr.

Baton Rouge, LA recognized lawyers icon Recognized in Best Lawyers since 2015
Kean Miller LLP

62 Best Lawyers awards

Kean Miller LLP logo

Awarded Practice Areas

Commercial Litigation Trademark Law Venture Capital Law

Biography

James R. Chastain, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Trademark Law and Venture Capital Law.

James R., who practices law in Baton Rouge, Louisiana, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James R. is held by other top lawyers in the same geographic and legal practice area.

Kean Miller LLP

62 Best Lawyers awards

Kean Miller LLP logo

Overview

  • Louisiana State University, J.D., graduated 1989
  • Louisiana State University, J.D., graduated 1989

Client Testimonials

Awards & Focus

Lawyer of the Year Badge - 2025 - Trademark Law Lawyer of the Year Badge - 2023 - Trademark Law Lawyer of the Year Badge - 2021 - Trademark Law Lawyer of the Year Badge - 2018 - Trademark Law Lawyer of the Year Badge - 2016 - Trademark Law
Named "Lawyer of the Year" by Best Lawyers® for:
  • Trademark Law, Baton Rouge (2025)
  • Trademark Law, Baton Rouge (2023)
  • Trademark Law, Baton Rouge (2021)
  • Trademark Law, Baton Rouge (2018)
  • Trademark Law, Baton Rouge (2016)
Recognized in The Best Lawyers in America® 2026 for work in:
  • Commercial Litigation
  • Trademark Law
  • Venture Capital Law

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