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A chemical patent, pharmaceutical patent or drug patent is a patent for an invention in the chemical or pharmaceuticals industry. Strictly speaking, in...

patent 0,147,313 – Chemical Telegraphs U.S. patent 0,147,314 – Circuits for Chemical Telegraphs U.S. patent 0,147,917 – Duplex Telegraphs U.S. patent...

more) free valence(-s) at a carbon atom. The term is often used in chemical patent literature to protect claims over a broad scope.[citation needed] Acetonyl...

of patents. Particular types of patents for inventions include biological patents, business method patents, chemical patents and software patents. Although...

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...

the same chemical substance as a drug that was originally protected by chemical patents. Generic drugs are allowed for sale after the patents on the original...

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

nostrums were actually patented; chemical patents did not come into use in the United States until 1925. Furthermore, patenting one of these remedies would...

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...

A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule...

In a patent or patent application, the claims define in technical terms the extent, i.e. the scope, of the protection conferred by a patent, or the protection...

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...

patent for using carbon tetrachloride (CTC, or CCl4) to extinguish fires. The liquid vaporized and extinguished the flames by inhibiting the chemical...

A patent application is a request pending at a patent office for the grant of a patent for an invention described in the patent specification and a set...

tax patents in general. Chemical patent – patent for an invention in the chemical or pharmaceuticals industry. Not a special legal form of patent. Design...

A biological patent is a patent on an invention in the field of biology that by law allows the patent holder to exclude others from making, using, selling...

of patents and patent law is generally considered to have started with the Venetian Statute of 1474. There is some evidence that some form of patent rights...

Trilateral Patent Offices, or simply the Trilateral Offices, are the European Patent Office (EPO), the Japan Patent Office (JPO) and the United States Patent and...

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

Patentable, statutory or patent-eligible subject matter is subject matter of an invention that is considered appropriate for patent protection in a given...