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.
An error-strewn Novak Djokovic kickstarted his bid for an 11th Australian Open and unprecedented 25th Grand Slam crown in unconvincing fashion on Sunday, dropping a set to fearless teenage qualifier Dino Prizmic.
Serbia are one of the eight surviving nations from September's group phase and will face Britain on Thursday.
Djokovic will spearhead Serbia at the tournament from December 29-January 7 in Sydney and Perth as he builds towards the defence of his Australian Open title.
World number one and US Open winner Alcaraz, playing only his fourth grass-court tournament, defeated Daniil Medvedev 6-3, 6-3, 6-3.
Novak Djokovic will play Stan Wawrinka for the 27th time in a storied rivalry when they clash on Friday but surprisingly they have never played each other on grass, let alone at Wimbledon.
Carlos Alcaraz believes he is capable of winning Wimbledon after claiming his first title on grass on Sunday by beating Alex de Minaur 6-4, 6-4 in the final at Queen's Club.
Having battled through 59 encounters with Rafael Nadal over 16 years of epic rivalry, Novak Djokovic faces the Spanish legend's heir apparent Carlos Alcaraz at the French Open in a match laced with era-defining potential.
International tennis chiefs insisted Wednesday that "political statements" are not banned at Grand Slam events after Novak Djokovic controversially wrote "Kosovo is the heart of Serbia" on a camera at the French Open.
Novak Djokovic eased into the Italian Open quarter-finals on Tuesday after breezing past Cameron Norrie 6-3, 6-4, although there was tension with the Briton after the top seed was hit by a smash.
Novak Djokovic says he is still dealing with an elbow issue heading into this week's Srpska Open as the Serb looks to get his French Open preparations back on track following his early exit at the Monte Carlo Masters.
Fritz, 25, rose to his highest career ranking despite a surprise loss to Wu Yibing in the Dallas semi-finals.
