Prior art is a legally complex concept, but one that is important for patent applicants to understand. The craftsman knows what he wants to make before he makes it.The making of a work of artis a strange and risky business in which the maker Ancient art, as its name implies, is the art produced during the ancient times. Roman art. Its distinguishing features include simple, clean shapes, often with a streamlined look; ornament that is geometric or stylized from representational forms; and unusually varied materials. Art Deco, movement in decorative arts and architecture in Europe and the United States during the 1920s and 30s. For a more in-depth guide to this period, check out this art history course, which begins its focus on the early Renaissance era before Ancient art was produced by early humans, ancient civilizations, and early Christian societies. See more. Art emerged around 50,000 years ago, long before cities and civilisation, yet in forms to which we can still directly relate. Music, art, science, philosophy, and other schools thrived during this era, which gave birth to such greats as Michelangelo, Leonardo da Vinci, Donatello, and more. The greatest examples attest to the extremes of human ambition, skill, imagination, perception, and feeling. The USPTO will not ordinarily grant a patent over an invention that already exists. How art engages varies, but in some manner, art takes us beyond the everyday and ordinary experience. Ancient art can be described and is often used as an historical archive. In order to obtain a patent from the U.S. Patent and Trademark Office (USPTO), the existence of "prior art" can be a roadblock. Impressionism was a radical art movement that began in the late 1800s, centered primarily around Parisian painters. The wall paintings in the Lascaux caves, which so startled Picasso, have been carbon-dated at around 17,000 years old. Medieval art. This particular art period ranges from the Paleolithic period to the Middle Ages. Before the Arts and Crafts Movement in Britain and elsewhere at the turn of the 20th century, the term 'artist' was often restricted to a person working in the fine arts (such as painting, sculpture, or printmaking) and not the handicraft, craft, or applied art media. Art definition, the quality, production, expression, or realm, according to aesthetic principles, of what is beautiful, appealing, or of more than ordinary significance. Minoan art. Ancient Greek art. Medieval art. Art has existed since the first cavemen painted bison etc on their cave walls, and these Venuses were sculpted 2530,000 years ago. This is a chronological list of periods in Western art history. As such, art prompts us to reflect on fundamental aspects of what it is to be human. An art period is a phase in the development of the work of an artist, groups of artists or art movement Ancient Classical art. Impressionists rebelled against classical subject matter