What is not protected by copyright?

Related questions

1. Are patents public?
2. What is freedom to operate search?
3. Can I find my EIN number online?
4. Can I have the same Facebook page name as someone else?
5. How do you do an invalidity search?
6. What is infringement search?
7. Is it illegal to have multiple Facebook accounts?
8. Can the same name be trademarked twice?
9. Can songs be copyrighted?
10. What is the difference between R and TM?

Tags

1. #ideas
2. #their
3. #fixed
4. #tangible
5. #works
6. #facts
7. #everyone
8. #communicate
9. #express
10. #expression
11. #amendment
12. #freedom
13. #really
14. #protects
15. #medium
16. #first
17. #words
18. #themselves
19. #copyright