Patent specifications have nearly quadrupled in length over the past four decades, rising from approximately 3,500 words in the early 1980s to over 13,000 words by 2025. At the same time, the average number of claims per patent has declined since peaking in 2005. Using the population of 7.6 million published patent applications from 2005 through early 2025, this Article advances a supply-side explanation for the persistent growth in specification length. The divergence between expanding specific