Abstract This study attempts to analyse the effectiveness of intellectual property law enforcement by civil servant investigator. By applying the psychological type of the cognitive function. this study finds that: first. internally the civil servant investigator has in principal conducted their normative duties. https://safeersappliancers.shop/product-category/leisure-cookmaster-ck100g232k-100cm-full-gas-range-cooker-lpg-convertible-black/