Solid state physics; Properties of matter 268 Intellectual property 201 Dissertations, Academic (Ph.D) 94 Plasma physics; Properties of matter 90 Proverbs 85 Soil science 77 Intellectual property (International law) 73 Intellectual property rights 65 Social Sciences 61 Agricultural chemistry 53 Thesis (Ph.D)-Physics 50 History 48 Copyright 47 Electric properties 47 Law and legislation 47 Nanostructured materials 46 Law 44 Cultural property 43 Nanotechnology 43 Folklore 41 Philosophy 40 Polymers 40 Property 40 Economics 39 Intellectual Property 39 Physics 36 Soil Science and Agricultural Chemistry 35 Foreign trade regulation 34 Human rights 34 Biotechnology 31