(December 21, 2015, 1:24 PM EST) -- SAN JOSE, Calif. — Dismissal of a consolidated complaint in a shareholder derivative lawsuit is not proper, a federal judge in California ruled Nov. 16, because an investor has properly shown that demand on a company’s board of directors was futile (In re Intuitive Surgical Shareholder Derivative Litigation, No. 14-0515, N.D. Calif.)....