Lisa Pinto, a spokeswoman for 18th Judicial District Attorney's Office, said Tuesday that, "based on our continued investigation and developments after the filing of the cases, we dismissed the cases in the interest of justice."
Lawson and his girlfriend were arrested following a fight at their home in August.
At media day nearly two weeks ago, Lawson said he was ready to put the incident behind him. Lawson said: "This is what I live for, the basketball court. This is my safe haven."
The Nuggets play an exhibition game against the Los Angeles Lakers in Ontario, Calif., on Tuesday night.