See - 8235.pdf
"x x x.
The Code of Professional Responsibility governing the conduct of lawyers states:
CANON 18 - A LAWYER SHALL SERVE HIS CLIENT WITH COMPETENCE AND DILIGENCE.
xx xx
RULE 18.03 - A lawyer shall not neglect a legal matter entrusted_ to him, and his negligence in connection therewith shall render him liable.
RULE 18.04 - A lawyer shall keep the client informed of the status of his case and shall respond within a reasonable time to the client's request for information.
x x x."