United Cannabis Corp.’s patent lawsuit against a rival over related technology is on hold after the Colorado-based company filed for bankruptcy.

Judge William Martinez administratively closed the infringement case against Pure Hemp Collective Inc. on Tuesday, a day after United Cannabis’ Chapter 11 filing in the U.S. Bankruptcy Court for the District of Colorado. Pure Hemp’s counterclaims were automatically stayed with the filing.

The lawsuit was the first cannabis-related patent infringement case filed in a federal court, according to attorneys watching the case. Many saw it a test for the enforcement of cannabis patents, given that marijuana is still a…