WASHINGTON, Aug. 16 -- Law firms assisted companies in the following recently announced transactions: * * * White & Case... ...advised Jefferies and RBC Capital Markets as bookrunners for an equity placing by Oxford Biomedica (OXB). The placing, which raised funds for new and existing institutional investors, amounted to 13.1 percent of OXB's share capital. OXB plans to use the proceeds to expand its global contract development and manufacturing network, particularly in the U.S. The White & C more ST