If you need to copy link addresses more than once, you know how annoying it is. You need to right-click, find the "Copy Link Address" menu item, and click it.

This extension makes your life easy. Just point to your link and hit your standard keyboard shortcut (Ctrl-C, or Cmd-C for Mac) and you're done!

Download it at the Chrome Web Store

To try the latest dev version of the extension,

1. Download the source (hit the 'ZIP' button you see at the top of the page) and extract to a directory
2. In Chrome, launch chrome://extensions
3. Enable Developer Mode
4. Click 'Load Unpacked Extensions' and point to the above directory.
5. Start using it!