Noven Pharmaceuticals wants to come out with one as well, but their being tied up by Endo and a bunch of FDA nonsense.
This is a more recent article about Watson:
http://www.empr.com/watson-approved-for-generic-lidoderm/article/255925/
Looks like its been held up.
http://www.drugstorenews.com/article/watson-settles-endo-teikoku-seiyaku-over-generic-version-lidoderm-patch