Part of the problem of being heard in congress is the lack of cooperation between the different father’s groups in the US, or when one is very successful, they become a target of greed, as happened with the National Congress for Fathers & Children in 1996. Until the different groups become one working unit, there will not be much attention paid to father issues in Congress.
The women’s movement had the same problem in the early days, by NOW simply overwhelmed all the smaller groups, and forced them into becoming a working unit.
As for dealing with the courts, it takes knowledge to win there. And there are ways to do that. Having persons going to court with you as “Court Watchers” is one way. They sit where they can be seen by the judge and take notes. I have a form just for that purpose. The judge knows that if he makes rulings that are bias, the court watchers can be used to have him removed.