new york u.s. government take legal battle president donald trump travel ban high court friday say would appeal federal judge decision strike part ban day set go effect department justice say court file would appeal rule u.s. district judge theodore chuang maryland 4th u.s. circuit court appeal richmond virginia thursday chuang issue emergency halt portion trump march executive order temporarily ban entry travelers six muslim-majority countries leave place section order bar entry refugees unite state four months another federal judge hawaii strike section ban broad court rule prevent trump order move forward washington state ban also challenge u.s. district court judge jam robart put stay proceed long hawaii court nationwide temporary restrain order remain place conserve resources avoid inconsistent duplicate rule decisions come response lawsuits bring state attorneys general hawaii refugee resettlement agencies maryland represent american civil liberties union national immigration law center detractors argue ban discriminate muslims violation u.s. constitution guarantee religious freedom trump say measure necessary national security protect country terrorist attack white house press secretary sean spic tell media brief government would vigorously defend executive order appeal flaw rule department justice file motion late friday night seek clarification hawaii rule appeal 9th circuit u.s. court appeal san francisco 9th circuit court last month uphold decision judge robart halt original sweep travel ban sign president jan. 27 response lawsuit file washington state new executive order reissue intention overcome legal concern trump vow take fight way u.s. supreme court 4th circuit know conservative court compare 9th circuit say buzz frahn attorney simpson thacher bartlett track litigation nationwide government probably think 4th circuit ... would lend friendly ear arguments say judge say will look behind text order mention islam probe motivation enact ban frahn say trump promise election campaign ban muslims enter unite state u.s. supreme court currently split 4-4 liberals conservatives trump pick high court appeal court judge neil gorsuch still await confirmation hans von spakovsky washington d.c.-based heritage foundation say department justice might want time appeal reach supreme court gorsuch confirm say court would likely hear case take national importance spakovsky say u.s. appeal high court rule trump 's revise travel ban