Return to sender: High court to hear undeliverable mail case

February 18, 2019

Mitch Hungerpiller thought he had a first-class solution for mail that gets returned as undeliverable, a common problem for businesses that send lots of letters. But the process he helped develop and built his small Alabama technology company around has resulted in a more than decadelong fight with the U.S. Postal Service, which says his solution shouldn't have been patentable.