Files containing copies of research projects, legal memoranda, and various case-related documents prepared by the firm's legal professionals are known as files.

A) client
B) forms
C) personnel
D) work product or reference materials

Work Product

An attorney’s mental impressions, conclusions, and legal theories regarding a case being prepared on behalf of a client. Work product is normally regarded as privileged information.

Reference Materials

Documents, texts, or digital resources used to provide factual information, background knowledge, or support for academic, professional, or personal inquiries.

Legal Memoranda

Written documents used in legal settings that summarize facts, laws, and analyses related to specific legal issues.