TM stands for trademark, C stands for copyright and P stands for patent. What is the legal purpose?

Legal (Service) Department/Section-Legal Affairs Department's Pay-per-Pack (Service) Room-Mortgage Loan Affairs Legal Affairs Office has not decided what letter to use to identify the company's legal affairs. The main responsibilities are as follows: 1. Review the contracts signed between the Company and other parties; 2. Participate in the business negotiation between the company and other business units; 3. Be responsible for the legal training of company employees; 4. Draft the company's internal rules and regulations; 5. Deal with relevant legal disputes encountered by the company in the course of operation; 6. The agency company participates in litigation;