The SEC must submit its brief by Nov. 9. After that, Grayscale will then submit a reply brief on Nov. 30 before both parties submit a final brief on Dec. 21.
Source: https://cointelegraph.com/news/grayscale-fires-first-salvo-in-case-against-sec-over-bitcoin-etf-refusal
Grayscale fires first salvo in case against SEC over Bitcoin ETF refusal
