the legal right to be the only person or company to make or sell a product for a particular number of years, or a document that gives you this right: apply for/file/take out a patent Filing a patent is a long and expensive process.
the legal right to be the only person or company to make or sell a product for a particular number of years, or a document that gives you this right: apply for/file/take out a patent Filing a patent is a long and expensive process.