Samsung Electronics Co., Ltd. has been granted European Patent EP3691521A1 for an electronic device and method that calculates a stress index corresponding to user activity. The technology utilizes IPC classifications A61B 5/00 (measuring for diagnosis) and A61B 5/11 (measuring movement). Inventors include HONG Hyun Su, NAM Sang Beom, and LEE Yong Jin. The patent application covers 27 designated contracting states across the European region.

This is a patent publication notice, not a regulatory requirement. No compliance actions are required from industry. Competitors developing similar stress measurement or activity tracking devices should review the patent claims to assess potential freedom-to-operate implications. The patent does not impose obligations but rather grants Samsung exclusionary rights in the designated territories.