Problems, legal battles, and related situations can't be dealt with only detachment workings in most cases. It is similar to hung ups and emotional suppression, things must be confronted. This means, in your situation, to not detach but rather start fighting and actively trying to get rid of this person. You can be detached while doing so, but you must dwell on the details and go win this. It is a battle, a war to another degree, of another perspective.
If you suppress or ignore with justifications of health and related know it will not get off soon, and in time this can affect you to different degrees. Any act of public defamation and related is something extremely aggravating in different future situations. If you are a clean and kind person, your image must be kept clean. For yourself and your family. It is about honoring your image and uphold your bloodlines.
As for this person, vibrate ISA in his throat and feet with programming to stop and dissipate his freedom and judgment. You can judge yourself the severity of this, you first need to do justice for the legal battle and add whatever justice you sought before this battle, as drawing a line and subjecting it to this person.
You can as well if you have power seal the spot between his eyebrows and place wild energy into his center of the brain. You should address the programming to his soul to have headaches and confusion. You can put fog and earth into his eyes. This is on sight when he talks to the judge.
As well before the court date, hours before bind him to a candle fire, grey if you have. Vibrate his name with any destructive runes backward. Do 3 rounds of 33 repetitions while focusing your intent on destructive things being unleashed on him. If you lack imagination or shocking value, you can always watch some uncensored news of different disasters, observe the energy and reality and use this to his demise. After you are done and have to attend to the court date, blow the candle off and seal the deal.
Never forget to clean with vibration your aura and chakras after. For 2 minutes you could as well ,after finishing up, to imagine the court date being favorable to you, illuminating and visualizing everything positive for yourself.