TY - GEN T1 - Cats, manx, genus felis :proportion of litigated US patents not key to proportion of valid patents : resolution of prob / AU - Holton, Richard J., VL - 1976 Vol 11 No 3 pages 167-169 ID - 4198 KW - Patent infringement. KW - Patents. KW - PATENTS : INFRINGEMENT TI - Cats, manx, genus felis :proportion of litigated US patents not key to proportion of valid patents : resolution of prob / ER -