Visit the US Patent and Trademark Office and search theironlinesearch system TESSthe terms below for trademark (also,search a few that you might be interested in)https://www.uspto.gov/trademarks-application-process/search-trademark-database.Write up a short discussion or chart of your findings. Submit your findings.

Searches:

Happy Birthday

Rise and Shine

Rock and Roll

Candy Crush

This Sick Beat

Pantone2685C(It's a color!)

Madonna

*Make your own search