Four medical malpractice litigators from Hiersche Hayward Drakeley & Urbach, which will close on Dec. 31, will move to 34-lawyer Mayer LLP in Dallas on Jan. 1, the same day nine other lawyers join Spencer Fane in Plano.

Mayer LLP partner Zach Mayer said the four laterals will establish a medical malpractice and health care practice at the firm, which he formed in January along with 21 others who came from Kane Russell Coleman Logan.