Yup, if someone threatens to sue you for bullshit, you can sue them, in your own jurisdiction, for declaratory judgement. That way you can save yourself from g

Yup, if someone threatens to sue you for bullshit, you can sue them, in your own jurisdiction, for declaratory judgement. That way you can save yourself from getting embroiled in a multi-year bullshit case in someone else's jurisdiction, and get a quicker ruling (declaratory judgement) that the threat is indeed bullshit.