With permission, it is a permit or license is granted to a person by the authority to do something. Is a term used commonly in them hearings before a judge or in the courts for request for example permission of speak or present some document before the jury. The permission is also a military salute soldiers are accompanied by the right hand to the temple. Permission is a word that comes from the latin and means license.
With permission: expression that means, with your permission, and that lawyers used before judges and tribunals, at the start of their claims, or discourses, in an oral judgment.