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 …

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

Increasing evidence indicates that a large share of granted patents are ''undeserved'' because they do not meet the …, introduced the post-grant validity challenge at the United States Patents and Trademarks Office (USPTO). This procedure allows … any third party to question granted patents, possibly leading to patent revocation or scope reduction. This paper aims to …

their quest into the judicial treatment of patents in different industry sectors. They present an in-depth commentary on …

&D contract to generate patents. We provide suggestive evidence that backlogged contracting officers are unable to devote enough …

We document the occurrence of process claims in granted U.S. patents over the last century. Using novel data on the … broad spectrum of technologies. Process intensity varies by applicant type: companies file more process-intense patents than … individuals, and U.S. applicants file more process-intense patents than foreign applicants. We further show that patents with …

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 …