Across the US, NPE litigation rose substantially last year. In the District of Delaware, though, NPE litigation continued to fall, sinking from 23% in 2021 to just 7% last year. Both of these propositions are well documented, in RPX’s recently published Q4 in Review, which also looks back at numbers and trends from all of 2024. This RPX member exclusive takes a closer look at the potential cause of, and controversy around, that marked drop in NPE filings in the District of Delaware.