Copyright issues of Meta tags

Remember that Meta tags, like all other material on the Internet is bound by copyright (whether a copyright notice is utilized or not).
Be careful not to copy and paste another persons tags, brand name, trademarks directly into your code without some heavy revising.
People have been prosecuted for doing so when found by the author and if he complaints via DMCA.
In case, if any of the licensed article, registered trademark, content, Images, brand name is used without getting any copyrights or permissions then the webmaster who used these unauthorized items may get punished by the Digital millennium copyright act, when a complaint is received to DMCA by the webmaster of the copyrighted item with enough proofs.

To know more details about the copyright and DMCA: Wikipedia DMCA