Freed Kanner London & Millen LLC, an antitrust litigation firm in north-suburban Bannockburn, added a new office in suburban Philadelphia.The firm’s first East Coast partner, Jonathan M. Jagher, joined the firm in January for the office’s soft opening in Conshohocken, Pa.The firm made the formal announcement of the Pennsylvania office’s opening earlier this month when it added another partner, Kimberly A. Justice.Michael J. Freed, FKLM co-founder and partner, said the firm chose to locate outside …