It was a very specific time frame, from a non spec
Post# of 36537
"Under the terms of the Addendum, Bintai and Generex will finalize the legal and contractual documentation for the contract, partnership, and licensing & research agreement, and Bintai will pay Generex an up-front licensing fee of $2.5 million within two weeks"
That is all in the same sentence which infers that the 2 weeks does not start until the contracts are signed. At least that is how I read it.