Find a patent agent.

Do a preliminary search. (If there's an existing patent, consider ending the process now.)

Help your agent prepare a patent application.

File your application.

Request examination.

Examiner does search for prior patents and studies claims.

Examiner either approves or objects to the claims.

Respond to examiner's objections and requirements.

Examiner reconsiders and either approves or calls for further amendments.      

If final decision is objected to , you may appeal.