Such symbols are called entities. For the copyright symbol, use "©" (including the ampersand and the semicolon!)
None. you wouldn't copyright the copyright symbol, you would trademark it.
In Word 2000-2003, use the Insert>Symbol command. The copyright symbol is below the number 4, fourth row down. In Word 2007-2013, click on the Insert tab of the Ribbon, find the Symbols group at the right end and click on Symbol. The copyright symbol is usually in the top row. You can also type (c) and Autotext will change it into the copyright symbol automtically.
The copyright symbol consists of a C in a circle has become a widely recognised symbol. The copyright symbol was first used in section 18 of the 1909 American Copyright Act.
The law has changed and the copyright symbol is no longer needed to insure the protection of the copyright owner. The symbol for copyright is: ©
you hold down alt and then type 0169 on the NUMBER PAD
it means copyright it's the symbol for copyright
The copyright symbol looks like a lower case c with a circle around it. ©
The artist is concerned with protecting his or her copyright.
Although it is not required for protection, the copyright symbol is a way to denote the copyright year and rightsholder of a work, such as at the bottom of this page, where it says "Copyright (c) 2011 Answers Corporation."
With number lock on, hold down the alt key and type 0169 on the number pad. Many word processing programs will also autocorrect (c) to the copyright symbol.
copyright symbol is c with circle ©