Considering patenting your own invention and want to do a patent search? This process includes consulting, drafting, filing, and responding to the USPTO to get an approved patent.Read 2 Answers from lawyers to Is there a way to use a patented product for my business without it being illegal? To apply for a patent, you must file an application and pay required fees. The short answer is Yes. You can still get a patent on your improvements, but only on your improvements. In the U.S., a patent gives the holder the right to exclude others from making, using, selling, offering to sell and importing the patented invention. A utility patent is a legal protection granted to investors for new, useful, and non-obvious inventions. There are five major types. Prior to expiration, you have up to six months to renew your trade name or trademark.