The author, who was present at the creation of "Look and Feel," now feels that the time has come to lay the theory to rest, because it is vague, confusing, and promotes overbroad analysis. Instead, he suggests analysis focusing on the different legal standards that apply to different elements in a computer program's user interface.
Douglas K. Derwin,
It Is Time to Put Look and Feel out to Pasture,
15 Hastings Comm. & Ent. L.J. 605
Available at: https://repository.uchastings.edu/hastings_comm_ent_law_journal/vol15/iss3/3