Neuhäusler, Peter; Frietsch, Rainer; Schubert, Torben; … - 2011
hypothesized that large and highly valuable patent portfolios of firms have significant effects on their competitive-ness in the …, so effects of firm characteristics can be calculated. To assess the value of a firm's patent portfolio, different value … measures like the number of received patent citations, opposed patents, number of inventors etc. are being applied. The results …