NET

9 and be found in him, not because I have my own righteousness derived from the law, but because I have the righteousness that comes by way of Christ’s faithfulness—a righteousness from God that is in fact based on Christ’s faithfulness.

Darby

9 and that I may be found in him, not having my righteousness, which [would be] on the principle of law, but that which is by faith of Christ, the righteousness which [is] of God through faith,

KJV

9 And be found in him, not having mine own righteousness, which is of the law, but that which is through the faith of Christ, the righteousness which is of God by faith: