An Initial Public Offering (IPO) is the first listing of a security on a public exchange.
A direct listing is the process by which a company lists shares held by its existing stockholders for sale on a public exchange.
A public company is a company with public ownership and has shares that trade on a public exchange market. Because it is public it is required to meet the Securities and Exchange Commission’s strict filing requirements for public companies.
An International Search Authority (ISA) performs searches for PCT applicants of prior art and issues Written Opinions on the patentability of the claim as filed.