Designz will provide a contract stating the cost, and time allowed to complete the logo design. The normal time from concept to finished logo design is approximately two weeks usless other wise stated.
Your logo should be copyrighted or trademarked once completed. Below are some links to the USA Copyright office and USA Trademark websites.
Copyright Information: http://www.copyright.gov
Trademark Information: http://www.uspto.gov/trademarks/basics/index.jsp