; or (C) within his or her field of research or within his or her official employment responsibility and activity. (2) Disclosure Any invention made by a Federal employee as described in paragraph (1) shall be disclosed by the Federal employee to the agency that employs the Federal employee within 10 months of the earlier of the date of conception or actual reduction to practice of the invention. The Government shall obtain the entire right, title, and interest in and to any invention conceived or actually reduced to practice by a Federal employee that is not disclosed to the Government within 10 months from the earlier of the date of conception or actual reduction to practice of the invention. (3) Presumption Any invention made by a Federal employee as described in paragraph (1) shall be presumed to be owned by the Government, and the Federal employee is presumptively obligated to assign the entire right, title, and interest in and to the invention to the Government. A Federal employee that disagrees with the presumption of ownership and obligation of assignment may request, from the agency employing the Federal employee, a determination of rights in and to the invention and shall do so within 30 days of the disclosure pursuant to paragraph (2). The request shall provide all grounds and justification for leaving rights with the Federal employee. If the request is not made by the employee within the 30-day period, the Government shall retain all right, title, and interest to the invention. (4) Patent rights If a Federal agency which has ownership of or the right of ownership to an invention made by a Federal employee does not intend to file for a patent application or otherwise promote commercialization of such invention, the agency shall (upon request) allow the inventor, if the inventor is a Federal employee or former employee who made the invention during the course of employment with the Government, to obtain or retain title to the invention (subject to reservation by the Government of a nonexclusive,