This will guide the process you'll use to apply for the patent. 4. File a provisional patent application. This offers a layer of protection in case someone later claims they had the idea before you did. As Issie Lapowsky points out, U.S patent law is a first-to-file system, not first-to-invent.
Ancient River Valley Civilizations Introduction. The term civilization separates cultures that were more developed and settled than the previous hunter-gatherer societies. The first civilizations arose around 4000 BC in four river valleys across the globe. This unit is designed to examine the rise of these early civilizations and the emerging social complexity of populous societies.
THE ANCIENT MIDDLE EAST: The Tigris and Euphrates River Valley. The Tigris and Euphrates Rivers. 1. ca. 4500 B.C.: Nomadic herders began to plant crops and build permanent settlements at the mouth of the Tigris and Euphrates Rivers. * Very little is known about these early settlers.