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.
Since there are virtually no written accounts of this civilization, nearly everything we know about it is from archaeology. The Emergence of Indus Valley Civilization. Early civilization spread around the Indus River, which like the Nile River in. Egypt, would flood and bring water and rich soil. From 3500 to 2600 BC, the Early. Indus (o r Early Harappan) period began in this region.