When Bayh-Dole came into effect in 1981, it had this requirement for subject inventions retained by contractors (35 USC 202(c)(3)) (my bold):
(3) A requirement that a contractor electing rights file patent applications within reasonable times and that the Federal Government may receive title to any subject inventions in the United States or other countries in which the contractor has not
filed patent applications on the subject invention within such times.
Three years later, in 1984, Bayh-Dole was amended by PL 98-620, which made significant changes throughout. At 202(c)(3), the requirement to file patent applications was changed:
(3) That a contractor electing rights in a subject invention
agrees to file a patent application prior to any statutory bar
date that may occur under this title due to publication, on sale,
or public use, and shall thereafter file corresponding patent
applications in other countries in which it wishes to retain title
within reasonable times, and that the Federal Government may
receive title to any subject inventions in the United States or
other countries in which the contractor has not filed patent
applications on the subject invention within such times.
The “reasonable times” requirement then was interpreted by the implementing regulations finalized in 1987 thus (37 CFR 401.14(a)(c)(3)): Continue reading