Chelsea have been busy strengthening their squad this summer but Mourinho had identified Manchester United striker Wayne Rooney as his main target.
He had hoped to bring in the England man but a couple of bids have been turned down and United have repeatedly stressed that he is not for sale.
Having turned his focus to other options and signed Samuel Eto'o from Anzhi Makhachkala this week, Mourinho now accepts that his pursuit of Rooney is at an end and he does not expect any more new arrivals before Monday's deadline.
Speaking after his side's loss to Bayern on penalties in Prague, the Portuguese insisted he was happy with his current squad.
Questioned on whether there would be further signings, he told Sky Sports: "It's the end. We have a good group.
"Samuel will give us other kind of qualities in attack. He is an experienced player in a team that needs some experienced players."
Asked specifically about Rooney, Mourinho added: "For all parties, it's finished. One thing is to tell you through other people that you want, you want, you want very much, but at the end of the day...
"I feel everyone has the right to show his life, his future and I respect that."