Fees from patent lawyers are the variable factor you will need to consider before filing.
Patents are subject to many fees:
Before you file with the USPTO, think twice about working with companies that help you file patents without using an attorney. Although it can be done on your own, the success rate is so low that many lawyers make a living simply correcting failed self-applications. This market may be the fastest growing sector of patent law, and that’s not good news if you thought about filing on your own or with the help of online websites.
Our research indicates $2500 is about what a US patent attorney charges for a patent that moves quickly through the application process. Legal services provides usually include:
If your application is not approved and requires edits you can expect hourly charges to be about $275 per hour for attorneys that specialize in this type of law.