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A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited...

of law, an invention is patentable if it meets the relevant legal conditions to be granted a patent. By extension, patentability also refers to the substantive...

letters patent has evolved into the modern intellectual property patent (referred to as a utility patent or design patent in United States patent law) granting...

A software patent is a patent on a piece of software, such as a computer program, libraries, user interface, or algorithm. A patent is a set of exclusionary...

procedures relating to patent law and practice, such as filing patent applications and oppositions to granted patents. The term "patent attorney" is used differently...

"Patent pending" (sometimes abbreviated by "pat. pend." or "pat. pending") or "patent applied for" are legal designations or expressions that can be used...

States, a design patent is a form of legal protection granted to the ornamental design of an article of manufacture. Design patents are a type of industrial...

Patent leather is a type of coated leather that has a high-gloss finish. In general, patent leather is fine grain leather that is treated to give it a...

The European patent with unitary effect, also known as the unitary patent, is a European patent which benefits from unitary effect in the participating...

A patent office is a governmental or intergovernmental organization which controls the issue of patents. In other words, "patent offices are government...

The Waldo Patent, a letters patent also known as the Muscongus Patent or the Lincolnshire Patent, was a document granting title to 36 square miles (9,300 ha)...

starting from the filing date of the patent application or from the date of grant of the patent. In most patent laws, annuities or maintenance fees have...

The United States Patent and Trademark Office (USPTO) is an agency in the U.S. Department of Commerce that serves as the national patent office and trademark...

business, patent trolling or patent hoarding is a categorical or pejorative term applied to a person or company that attempts to enforce patent rights against...

An essential patent or standard-essential patent (SEP) is a patent that claims an invention that must be used to comply with a technical standard. Standard-setting...

The Patent Cooperation Treaty (PCT) is an international patent law treaty, concluded in 1970. It provides a unified procedure for filing patent applications...

Tesla was an inventor who obtained around 300 patents worldwide for his inventions. Some of Tesla's patents are not accounted for, and various sources have...

The Benz Patent-Motorwagen ("patent motorcar"), built in 1885 by the German Karl Benz, is widely regarded as the first practical modern automobile and...

per reg. lit. etc. by royal letters by letters patent; of academic degrees: awarded by letters patent from the King/Queen, rather than by a University...

Patent infringement is an unauthorized act of - for example - making, using, offering for sale, selling, or importing for these purposes a patented product...