(73) Filing an application without an attorney is possible, but even with some guidance it is definitely not without its challenges. It is possible for an individual to file their own patent without counsel but if possible have a patent practitioner write the claims.One of the three inventors is now seeking to invalidate the patent and is wondering if the lack of a POA can be grounds to do so. Yes, it is possible to obtain a patent without a lawyer, but there are important considerations to keep in mind. While the patent application process can be lengthy and complex, it is possible to apply for a patent without an attorney. Sanctions can prohibit nonattorneys from representing clients before the USPTO due to violating USPTO rules. I filed a provisional patent without filling out the assignment form. Is it possible to assign an assignee after 10 months? No rule or law prevents an inventor from filing a patent application without assistance from an attorney.