Tomasz Kopoczyński began his barrister practice in 1987. From that time he gained recognition in the legal world as an attorney and a defence counsel in cases before the commercial court as well as in criminal cases. He worked as a lecturer on press law and copyright law at the University of Gdansk. He runs the law office “Kopoczyński adwokaci i radcowie prawni” (Kopoczyński barristers and solicitors), which consists of several dozen qualified lawyers and provides a wide range of legal services for enterprises.
Mr. Kopoczyński is a member of Pomorska Izba Adwokacka (Pomeranian Bar Chamber) in Gdańsk. In the years 2005–2010 he served as President of the Commission of Chief Council of Barristers for Public Activity of the Bar. In the first quarter of 2006, assigned to perform the duties of the chairman of the Board of LOT Polish Airlines SA. Since 2008 Arbitrator of the Court of Arbitration for. Sport at the Polish Olympic Committee.
For many years, one of the most important fields of his activity is culture and art. He provides patronage for many cultural and scientific events, supporting, among others, the Atelier Theatre in Sopot, the Gdansk Aeropagus, music contests and festivals, as well as events significant for scientific legal environments concentrated around Law and Administration Faculties at universities all over the country.
He co-operates with publishers such as Więź and słowo/obraz terytoria, providing them with legal and financial assistance. This led to publishing of books by Andrzej Bobkowski, Zbigniew Nosowski, Józef Majewski and Krzysztof Kornacki. He is a member of the board of a book foundation called Terytoria Książki, he also provides patronage of young creators, writers and scientists.
Recently he started to organize regular meetings with outstanding experts on history, philosophy, art and literature under the slogan of TeKa refleksji. These meetings have become permanently linked to the landscape of cultural events in the Tricity. These lectures resulted in a book on history entitled Po co nam historia? (Why do we need history?) edited by professor Edmund Kizik.