Q. Must I disclose to my client that another attorney will be doing some legal research & writing in the case?
The short answer is yes. A sample disclosure agreement can be found here.
However, many attorneys already include language in their representation agreements that indicates that outside counsel may be consulted, in which case a separate disclosure agreement may be unnecessary.
In either case, few clients will object when they are told that a well-qualified, experienced, and cost-effective legal research & writing attorney will be providing the thorough, cite-checked backup they will need to support their arguments before the court.