The National Labor Relations Board issued its first rulings since a federal judge reinstated member Gwynne Wilcox, but it’s unclear how long the window for board action will remain open.

The NLRB’s four unpublished decisions Friday adopted administrative law judge orders that weren’t challenged by either the charged parties or the general counsel’s office.

The revived board’s initial actions come in the shadow of the the Trump administration’s plans to petition the US Court of Appeals for the District of Columbia Circuit to temporarily block the lower court’s order reinstating Wilcox while its full challenge to her decision proceeds.

The ...