Can I possess a firearm in DC if I received a Civil Protection Order from another State

NO. You may not possess a firearm in the District of Columbia if a Protection Order was issued against you in any State. The District of Columbia has very strict laws regarding civil protection orders. The Protective Order in the other State requires you to relinquish the firearm.
The law is codified in DC Code § 22–4503: (a) No person shall own or keep a firearm, or have a firearm in his or her possession or under his or her control, within the District of Columbia, if the person:
(5) Is subject to a court order that:
(B) Restrains the person from assaulting, harassing, stalking, or threatening the petitioner or any other person named in the order; and
(C) Requires the person to relinquish possession of any firearms;
So Protective Order may be defined differently by each State. In the District of Columbia a Protective Order is an order issued by a Court that orders that person from assaulting, harassing, stalking, or threatening the petitioner or any other person named in the order;
No. Maryland bars by Statute the removal of a firearm. The Judge in Maryland that issues a final protective must order the removal of firearms. The Statute in Maryland does not give the Maryland Judge a choice as they are required to order the individual not to possess firearms. We are also Maryland lawyers and we routinely hear this question from our clients.
It is a felony to possess a firearm in the District of Columbia after a Civil Protection Order has been issued against you. The Penalty to possess a firearm in the District of Columbia after a civil protection order is not less than 2 to 10 years, fined not more than a $25,000.00 dollar fine.
No. The Judge must have some statutory authority to allow a person to possess a firearm in the District of Columbia after a CPO is entered. There is no authority for a Judge to allow a modification to DC Code § 22–4503