On 21 April 2017, the new act on claims for redress of damage caused by infringement of competition law entered into force. In the article "Collusion -open doors to evidence
" featured in Puls Biznesu legal counsel Jan Maciejewski
states: "A change in evidence incidence may prove crucial for the effectiveness of the pursuit of claims. Although it will be possible for the respondent to argue that they are not guilty, it will practically be infeasible to prove the lack of guilt."