Pepper is protected by trademarks in the United States. See US Reg. No. 4,920,360 and US Reg. No. 4,813,007.
Pepper's design was invented by Vincent Clerc who is living in Clamart, France. You can see all sides of Pepper's claimed design in U.S. Design Patent No. 719,620.
There is much more to Pepper then robotic-good looks. Check out a sample of the utility patents and patent applications below:
US8997599 MOTORIZED JOINT WITH TWO PIVOT CONNECTIONS AND HUMANOID ROBOT WHICH IMPLEMENTS THE JOINT VIEW PDF
US2015122073 SPINAL COLUMN FOR A HUMANOID ROBOT VIEW PDF
US9429948 HUMANOID ROBOT HAVING FALL-MANAGEMENT CAPABILITIES, AND METHOD FOR MANAGING SAID FALLS VIEW PDF
US2016325437 ACTUATION OF A HAND INTENDED FOR BEING PROVIDED ON A HUMANOID ROBOT VIEW PDF
If you would like to do your own patent search go to www.uspto.gov or google.patents.com and search for ALDEBARAN ROBOTICS the assignee (i.e. owner or company).
You can see an Japanese advertisement for Pepper below.