The Brazil star also insists he will challenge his former club over an unpaid loyalty bonus.
On Tuesday it was revealed that Barcelona were to sue Neymar over a 'breach of contract'.
Neymar and his lawyers released a joint statement, quoted in the Spanish media, which read:
"We inform everyone that Neymar and his lawyers are aware of the news released today regarding the legal actions filed by FC Barcelona before the courts of Barcelona.
"Following official notification and after full review of the club's claim, the player's formal defence will be filed in due course.
"Regarding the bonuses owed for the execution of the contract of 2016, it is also necessary to inform that the player has already initiated the formal procedures of collection before the competent courts."
FIFA are also investigating Neymar's complaint.