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 Indus Valley civilization was an ancient civilization in the Indian subcontinent. It was discovered by archaeologists in the 1920s. It developed along the Indus River and the Ghaggar-Hakra River, in the area of modern Pakistan and north-west India and Afghanistan. It started during the Bronze Age.