a house. Please let me go with this villa. You have already made a lot of money by winning so much!" < br > on hearing this, he Lian's face suddenly changed, changed another face, and said coldly, "Ma...ifficult to apply for a patent, and it is difficult to be effectively protected by patent law, and it is even difficult to sue others for infringement." < br > "for example, Banlangen granule is known...