when is material protected from discovery by work product protection
Work-product doctrine In American civil procedure, the work-product doctrine protects materials prepared in anticipation of litigation from discovery by opposing counsel.[1] It is also known as the work-product rule, the work-product immunity, and the work-product exception. It is sometimes mistakenly called the work-product privilege.This doctrine does not apply in other countries, where such communications are not protected, but where the legal discovery process itself is much more limited.[2]
Copyright law of the United States United States copyright law is governed by the Copyright Act of 1976. The United States Constitution explicitly grants Congress the power to create copyright law under Article 1, Section 8, Clause 8, known[1] as the Copyright Clause. Under the Copyright Clause, Congress has the power, "To promote the Progress of Science and useful Arts, by securing for limited Times to Authors and Inventors the exclusive Right to their respective Writings and Discoveries."[2]