As a legal expert (advocate) there are several basic skills that must be mastered, here is the discussion:
1.Verbal communication
a legal expert is required to have the ability to do the following:
a. Convey information in a clear, accurate and logical manner;
b. Communicate persuasively;
c. Able to be a good listener (listening skill)
2.Communication in writing

A legal expert must be able to carry out written correspondence about simple matters, to design complex legal documents. A legal professional is required to have the ability to write coherent, clear, accurate, and persuasive writing.
A lawyer must understand the following:
a. Documents relating to the litigation process for example, subpoena, lawsuit, indictment.
b. Documents for informative and persuasive communication purposes, for example Legal Opinion.
c. Documents related to the confirmation or formation of legal norms (rule making documents), for example, are legalization, agreement, and agreement.
3.Serving Clients
An advocate must be able to provide honest, competent, and responsible services to every client faced. Communication skills are expected to be learned and mastered.
4.Analytical skills and legal logic
The analytical skills and legal logic include:
a. examines various documents, draws conclusions (inferences) and looks for relationships among various legal decisions.
b. build logical thinking, systematic and problem solving (problem-solving abilities).
c. compile and assess legal arguments.
d. develop inductive and deductive logic to draw inferences and conclusions.
5.Conduct legal research

A legal expert (advocate) is required to be capable of doing:
a. ways of legal research
b. master how to find legal materials and analyze legal materials
c. master legal interpretation
d. correct citation of legal sources that are used as references
e. master legal research by utilizing digital materials including the internet.
6.Keep up with technological developments
the development and advancement of science and technology has a very large share of the substantive development of law and the processes of its implementation. Advocates must be proficient in utilizing relevant technology, especially information technology such as: e-mail, video conferencing, computerized litigation support, document management software).
7.Time management
a legal expert must be able to manage his time properly in balance with the workload handled (time management).
8.Settings (Organization)
In this case a legal expert must be able to manage and sort out documents, files, evidence, data and other information.
9.Work in groups (teamwork)

In this case a legal expert is required to be able to:
a. collaborating with other parties to achieve common goals;
b. coordinate and share information and knowledge;
c. build good relationships with colleagues, staff (employees), clients, experts, and so on;
d. participate in relevant group work, meetings and conferences
These are some of the basic skills an advocate must master. may be useful.