WASHINGTON — In an unprecedented move, the White House has signaled it may revoke or reassign several lucrative patents held by Harvard University, citing what it calls “institutional ideological bias.” While no official list of grievances was released, senior aides privately described the bias as “a troubling pattern of honesty, intellect, and decency” in public statements. According to leaked correspondence, the patents targeted include cutting-edge biomedical processes, renewable energy designs, and — inexplicably — a 2004 invention described only as “Method...