PSTN

Public Switched Telephone Network, acronym used to refer to the …

PTAB

See Patent Trial and Appeal Board (PTAB)

PTO

Abbreviation commonly used for the United States Patent and Trademark …

Public Charge

Most legal jurisdictions have a legal principle that restricts or …

Public Domain

Refers to an item of what would otherwise be intellectual …

Public License

A license that usually allows the public to freely use …