Thomas Townsend brought a case against Robert Jemison Jr. to the Supreme Court of the United States, claiming that he was entitled to compensation for services rendered as an overseer on Jemison's plantation in Alabama. Townsend argued that his contract with Jemison provided him with a salary and other benefits, but that these had not been paid out by Jemison. The Supreme Court ruled in favor of Townsend, finding that there was sufficient evidence to support his claim and ordering payment from Jemison for all unpaid wages and damages incurred due to nonpayment. This ruling established precedent for future cases involving contracts between employers and employees regarding wages or other benefits owed under such agreements.

In the case of Thomas Townsend v. Robert Jemison, Jr., Justice McLean delivered a dissenting opinion in which he argued that the plaintiff had not been given due process under the law. He believed that it was unfair for a court to decide on an issue without allowing both parties to present their arguments and evidence before making its decision. Furthermore, he noted that there were no witnesses or other evidence presented by either party during trial, and thus any judgment made would be based solely on speculation rather than facts. In conclusion, Justice McLean stated his belief that justice should be served fairly and impartially regardless of who is involved in a dispute; therefore, he felt it necessary for all parties to have equal access to legal proceedings so as to ensure they receive proper representation when seeking redress from wrongs committed against them.