TY - GEN T1 - PHOSITA :the ubiquitous and enigmatic person in patent law / AU - Tresansky, John O., VL - 1991 Vol 73 No 1 pages 37-55 ID - 3744 KW - Patents. KW - Trademarks. KW - PATENTS : NATIONAL LAW : COMMENTARIES TI - PHOSITA :the ubiquitous and enigmatic person in patent law / ER -