The time limitations by the client or by the circumstances. The nature and length of the professional relationship with the client. The experience, reputation, and ability of the lawyer or lawyers performing the services. Whether the fee is fixed or contingent. A lawyer shall not enter into an agreement for, charge or collect a contingent fee for representing a defendant in a criminal case.
Most lawyers keep accurate records of time spent on each matter.
Also, the time of other lawyers and of office staff may be spent on your legal matter. Different lawyers value their time at different rates because of variations in their experience, special knowledge and skill, and office expense. There is a degree of uniformity based on what other lawyers in the community with similar ability and experience charge on what is required to pay office costs and to provide a fair income to the lawyer. Attorneys will often handle matters on a straight time basis. Ability, experience and reputation are important.