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Есть разница между Patent novelty и Patent clearance A Patent Novelty Search is directed toward discovering relevant prior art references which disclose features of the invention, such as to prevent the invention from being considered novel and non-obvious. For most Patent Novelty Searches, only US patent publications are searched. A Patent Novelty Search is not directed toward discovering patents which may be infringed by a product made according to the invention. A different type of patent search is directed toward fining patents which may be infringed. A Patent Novelty Search is always advisable prior to filing a patent application. A Patent Clearance Search is directed toward discovering patents owned by others for which there is risk that a product made according to the invention may infringe. A Patent Clearance Search typically costs 3 to 4 times the cost of a Patent Novelty Search. A Patent Clearance Search is always advisable prior to making, using or selling a new product made according to the invention, or making significant investment in preparations to being production of the new product. http://www.iplawfirm.us/inventor_faq
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