Practice of Law Technical Clarification Act of 2017 This bill amends the Fair Debt Collection Practices Act to exclude from the definition of "debt collector" any law firm or licensed attorney: (1) serving, filing, or conveying formal legal pleadings, discovery requests, or other documents pursuant to the applicable rules of civil procedure; or (2) communicating in connection with a legal action to collect a debt on behalf of a client in, or at the direction of, a court of law or in the enforcement of a judgment.