holders. The paper focuses on those full-term German patents of the application year 1977 which were held by West German and U ….S. residents. The most valuable patents in our data account for a large fraction of the cumulative value over all observations …

innovation model. We show that pre-grant publication of patents lead to fewer applications and fewer inventions, but it raises … welfare as well. -- R&D ; patents ; patent systems ; pre-grant patent publication ; patenting decision ; spillover ; consumer …

We investigate whether patents that are jointly held by legally independent companies help sustain product …-market collusion. We use a simple model of repeated interactions to show that joint patents can serve collusive purposes. Our model … generates two testable predictions: when joint patents are held for collusive purposes, a) there is a positive relationship …

the probability of citations in US patents filed between 1976-1995, while controlling for geographic localization effects …

linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its …

We study the prevalence and traits of global collaborative patents for U.S. public companies, where the inventor team … is located both within and outside of the United States. Collaborative patents are frequently observed when a corporation … is weak. We also connect collaborative patents to the ethnic composition of the firm's U.S. inventors and cross …

There is a growing literature that aims at assessing the private value of knowledge assets and patents. It has been … shown that patents and their quality as measured by citations received by future patents contribute significantly to the … forward citations patents can receive at the European Patent Office. While a patent can be cited as non-infringing state of …

Biographical information on a sample of renowned U.S. inventors is combined with information on the patents they … enforce tradable assets in new technological knowledge. By facilitating access to such markets in technology, patents enhanced …