They say the leading firms are
1
Dentons
Goodwin
2
Duane Morris LLP
Jenner & Block LLP
3
Arnold & Porter
DLA Piper LLP (US)
Farella Braun + Martel LLP
Husch Blackwell LLP
Reed Smith LLP
Zuber Lawler
4
Dickinson Wright PLLC
Dykema Gossett PLLC
Quinn Emanuel Urquhart & Sullivan, LLP
Seyfarth Shaw LLP
Their leading lawyers are
Read their full analysis at https://www.legal500.com/c/united-states/industry-focus/cannabis/