There is a circular icon in the lower corner of the film and television drama, which is a sign of a registered trademark, indicating that the drama has obtained a registration certificate.

Trademark registration is the prerequisite and condition for a trademark user to obtain the exclusive right to use a trademark. Only approved and registered trademarks can be protected by law. Registered trademarks include commodity trademarks, service trademarks, collective trademarks, and certification trademarks. This kind of mark usually consists of a combination of text, graphics, numbers, colors, and sounds.