After arriving she completed her Foundation studies at the USP, and in 2004 she was accepted as a private student at the Emalus School of Law in Port Vila, Vanuatu.
In early 2007, she completed her Professional Diploma in Legal Practice in Suva, then moved back to Tonga and was admitted to the bar later that year.
[1] In October 2009, ʻElisapeti Langi was appointed as a counsel for the Royal Commission for Enquiry's investigation into the sinking of MV Princess Ashika.
[8] In 2019, the Australian National University invited ʻElisapeti Langi to a symposium on family protection orders in the Pacific region.
ʻElisapeti Langi was also noted for handling important and high-profile cases such as the first prosecution under the Computer Misuse Act, and as counsel for the Royal Commission for Inquiry for the sinking of MV Princess Ashika.
[10] In March 2022, ʻElisapeti Langi was featured in an article about her career and gave an interview about her views on becoming the first female judge on the Tongan supreme court.
In 'The Conch', a University of South Pacific newsletter and magazine, she stated "By our mere presence, women judges increase the court's legitimacy, sending a powerful message that they are open and accessible to those seeking recourse to justice,".