Confirm the idea is patentable
Document the invention in detail
Keep records of dates, sketches, and prototypes
Search existing patents and prior art
Determine whether the invention is novel and non-obvious
Decide whether to file a provisional patent application
Prepare patent drawings if required
Draft a patent application with claims, specification, and abstract
File the application with the appropriate patent office
Pay the required filing fees
Respond to office actions or examiner objections
Amend claims if necessary
Maintain confidentiality until filing
Consider using a patent attorney or patent agent
Monitor deadlines and prosecution status
Pay maintenance or renewal fees after grant