Drone Patent Wars Grow Ahead of DJI’s Latest Product Launch (2)

For months, drone aficionados have followed coverage on hobbyist websites of rumors and leaks about SZ DJI Technology Co.’s new drone. On Wednesday, DJI even posted on its website a teaser video in anticipation of the release.

But before launching its latest generation aircraft on March 2, DJI, the world’s biggest maker of drones, headed to court to fend off a potential patent-infringement lawsuit from a litigious rival based in Minnesota.

DJI, based in Shenzhen, China, is seeking a declaration from a court in Wilmington, Delaware, that its FPV Aircraft -- which stands for “first-person view” -- and its ...