12. An examiner has rejected some claims in a utility patent application, and the applicant wishes to proceed with the claims that have been allowed and pursue the rejected claims separately. What should the applicant do? Why? 14. How does the AIA simplify the patent application process for employers who actually own the inventions invented by their employees? 15. Hal has filed his patent application with the USPTO. How will he be able to determine its status? 16. Why should a patent owner mark his or invention with a notice of patent? 17. Eva is in ill health and does not wish to wait the approximately three years it takes for a patent to issue. Is there any alternative for Eva other than simply "waiting in line" at the USPTO? 21. What is the most significant difference between ex parte reexamination proceedings and inter partes review?