(e) A notice of claim of lien recorded under subsection (b) of this section shall expire 3 years after the date the lien was established, as such date is stated in the notice under subsection (a) of this section.

(f) This section does not alter in any respect the law pertaining to the establishment of a maritime lien, the remedy provided by such a lien, or the defenses thereto, including any defense under the doctrine of laches.