A license shall issue to the applicant to use the invention covered by the patent for the purposes stated in the application upon a final decision that:

(a) The invention or discovery covered by the patent is of primary importance in the production or utilization of special nuclear material or atomic energy;

(b) The licensing of such invention or discovery is of primary importance to the conduct of the activities of the applicant;

(c) The activities to which the patent license is proposed to be applied by such applicant are of primary importance to the furtherance of policies and purposes of the Act; and

(d) The applicant has made efforts to obtain reasonable commercial terms and conditions and such efforts have not been successful within a reasonable period of time. The requirement to make such efforts may be waived by the Board in the case of a national emergency or other circumstances of extreme urgency or in cases of public non-commercial use. Where this requirement is waived due to national emergency or other circumstances of extreme urgency, the owner of the patent shall be notified as soon as reasonably practicable. Where this requirement is waived for a public non-commercial use, the owner of the patent shall be notified promptly.