Djokovic, who is eyeing his 100th tour-level title before the French Open starts on May 25, said no player would ever be bigger than tennis.
A victory at Miami would be a landmark 100th singles title for the 24-time Grand Slam champion.
Djokovic said on Thursday that there are some things in the lawsuit from the Professional Tennis Players' Association (PTPA) that he disagrees with and also expressed some discomfort with the language used.
The 24-time Grand Slam winner, who retired from his last four match at Melbourne Park in January due to the injury and lost his opener at the Qatar Open last month, also said he was reaping the rewards of his work with coach Andy Murray.
Djokovic's bid for a record-breaking 25th Grand Slam title at the Australian Open was ended when he was forced to retire injured after dropping the opening set against Alexander Zverev in the semi-finals.
For over two decades, the "Big Three" of Roger Federer, Rafael Nadal, and Novak Djokovic dominated the sport, pushing each other to unimaginable heights. Now, a new story begins.
Djokovic goes on to face Australian ninth seed Alex de Minaur for a place in the semi-finals.
Seven-time champion Djokovic comes up against Danish 15th seed Holger Rune, who has beaten him twice.
Novak Djokovic reached the Wimbledon fourth round for the 16th time on Saturday after taking a break to help the Centre Court crowd celebrate England's Euro 2024 win over Switzerland in Germany.
World number one Novak Djokovic has questioned equal prize money in tennis, suggesting men should get better awards as they have more spectators.
It was another epic struggle in a long list of hardcourt battles between the two top players in the world, who have met 38 times with Swiss great Federer still holding a slight 20-18 edge.