Vaping and e-cigarettes have exploded into a $5 billion industry in the last decade, sparking interest by some corporate law firms in developing industry-focused practices. But a new U.S. Food and Drug Administration deadline that gives vape product manufacturers only 10 months to seek market approval could mean much of the industry goes up in smoke.

Meanwhile, teenagers’ embrace of the JUUL e-cigarette, introduced in 2015, has sparked a backlash against vaping, initially marketed to adult smokers as a less harmful substitute for cigarettes.