Jeremy Lin is laying the legal groundwork to become a superstar. On Feb. 13, in the midst of his incredible scoring streak that rejuvenated the New York Knicks and won him fans around the world, Lin’s lawyers filed an application with the U.S. patent office to trademark “Linsanity.” Lin was third in line behind two other applications, both by men in California with no ties to Lin. “We’re prepared to enforce his intellectual-property rights,” Lin’s lawyer said.