The filing fee is $130 for a small entity and drawings typically cost $100 to $125 per page.
Expect to pay for a patent utility search fee and an examination fee (both of which costs several hundred dollars each). After several years you’ll have to pay maintenance fees for your patent, which can cost upwards of several hundred dollars. For example, a simple household invention may cost substantially less than a new type of intricate software or a new kind of biological compound. If you plan on filing an international patent (say for some kind of computer device), then the cost can go well beyond $100,000. The first step in the patent application process is to file a non provisional patent application, which involves paying attorney fees in the range of $5000 to $15,000 or more, depending on the intricacies of the invention. The amount you spend on a patent application will also depend on the market opportunities. Filing for patents can be an expensive time consuming process so small companies should be highly selective about what patents they file for. In the case of a biotech company, for example, they can easily spend between $10,000 and $20,000 filing for patents. “Patent attorneys are expensive — it's not unusual for the patent process to cost inventors $5,000 to $15,000.” (Don Dedelak, “How To Find A Company To Make And Market An Invention” Entrepreneur, April 1, 2001). $5000 to $7000 in attorney’s fees for a simple patent application. $100,000 or more for worldwide patent rights. “Getting even a simple patent approved -- a process known as ‘prosecuting’ the patent application -- can cost up to $10,000 domestically and $100,000 or more for worldwide rights…” Cost of getting a patent. The filing fee is $130 for a small entity and drawings typically cost $100 to $125 per page, so a high quality provisional patent application for a mechanical or electrical device can typically be prepared and filed for $2,500 to $3,000. By way of example, you could probably find an attorney to write a patent for a business method or computer software for quite cheap, but a cheap computer related patent would not be nearly as strong as a patent application costing $20,000 or more. $8,000 - $15,000. Cost to patent an electronics invention. “If you've got a mechanical invention, [a patent will] cost between $5,000 to $10,000 including attorney's fees and filing fees. If you're talking about electronics, the cost goes up to more like $8,000 to $15,000. $100,000 or more for worldwide patent rights. “Getting even a simple patent approved -- a process known as ‘prosecuting’ the patent application -- can cost up to $10,000 domestically and $100,000 or more for worldwide rights…” Cost of getting a patent. Patent services are like medical care. Cutting costs now can result in huge costs later. Often, you won't know about the problems until later, and by that time the situation is irreversible. The cost for a typical US patent, from start to finish, is typically between $10 and $30,000. The patent process is like a tennis match. To get a normal, US utility application prepared and filed (serving the tennis ball) you are probably looking at spending $5-20k on an attorney depending on the kind of invention. When the patent office agrees to grant the patent, there are additional costs for the final processing. All told, after filing the application, the follow-on costs are typically in the $1,500-15,000 range (depending on lots of factors). The cost of a patent can vary widely depending on, not only the complexity of the invention, but also the intended market. The most expensive patents are international patents, which can run up to $100,000 or higher. Domestically the costs can be $10,000 or above. Filing for patents can be an expensive time consuming process so small companies should be highly selective about what patents they file for. In the case of a biotech company, for example, they can easily spend between $10,000 and $20,000 filing for patents. The cost of a patent varies based upon three main factors: (1) the type of patent you are attempting to get, (2) the complexity of your invention and (3) the amount of patent prosecution required during the patent pending phase. A common question from inventors is  how much does a patent cost .. First, it is important to note that there is specific cost for a granted patent as there are no guarantees of receiving a patent.
https://worldpatentmarketing.net/how-much-does-a-patent-cost/ http://www.invents.com/how-much-does-a-patent-cost/ http://www.inventionstatistics.com/patent_cost.html http://www.ipwatchdog.com/2015/04/04/the-cost-of-obtaining-a-patent-in-the-us/id=56485/ http://www.inventionstatistics.com/patent_cost.html https://uk.answers.yahoo.com/question/index?qid=20070313050823AAND484 http://www.invents.com/how-much-does-a-patent-cost/ http://www.neustel.com/Patent-Costs-Fees/How-Much-Does-A-Patent-Cost.aspx
how much does it cost to patent an idea