How long does it take to receive my registration number? This process typically takes ~1 month. If you took the computerized test, it will take a week or two to receive the official notification of a passing grade. Updated on August 16, 2016 Was this article helpful? Yes No Related Articles What is a Patent Agent? What is a Patent Attorney? What are the “beta” questions on the exam? I need more information about scheduling my exam. How do I reschedule or cancel my exam date? Am I allowed to review my exam if I do not pass?