The 22-year-old, who pleaded not guilty last week, is awaiting trial on two counts of battery, one count of assault and one count of misdemeanor, following an off-field altercation with Welsh players at the last month's Sevens World Cup.
Langkilde appeared in court yesterday in San Francisco for a pre-hearing conference, alongside his lawyer Joshua Bentley.
Pacific Rugby Players CEO Aayden Clarke said the player must now return to court on 15 August (US time).