A process flow diagram can be a part of a patent specification (or a drawing as part of the application), helping explain how to make and use the invention. You could include a flow chart in a provisional patent application, but you would need to include all of the inventive matter you consider to be part of your invention.Patents are typically granted for inventions and it must be very different from existing that fall into the following categories: A process: A process patent encompasses a series of steps or methods that lead to a specific outcome. This outcome can be the production of a product, the execution of a particular task, or the achievement of a desired result.

Following steps must follows

step 1: Get ready to apply. Contact Patents. ...

Step 2: File your application. Filing a patent application on your own. ...

Step 3: Application prosecution. Filing a patent application on your own. ...

Step 4: Receive your patent. Inventors Assistance Center. ...

Step 5: Maintain legal protection for your invention. Pay your maintenance fees

Following form must be filled

FORM 1.— Application for Grant of Patent. FORM 2.— Provisional/Complete Specification. FORM 3.— Statement and undertaking under Section 8. FORM 4.— Request For Extension Of Time Or Condonation Of Delay. FORM 5.— Declaration as to Inventor ship.

Submit the application to the World Intellectual Property Organization (WIPO) or a national patent office. In order to file an international (PCT) patent application, it is necessary to finalise an appropriate patent specification. The application documents include the specification and drawings and specify details of the applicant and inventors, amongst other things. The EPO considers that, regardless of the nature of the simulation (physical or numerical) and by any definition, the result of the simulation is information about the potential behaviour of the modelled system or process. It is the use of this information that might lead to a granted patent.