Along with summer associate lunches and the occasional country club outing, access to chauffeured Lincolns and Cadillacs is one of the most ubiquitous perks of big law firm life. But the proper use of car service is at the heart of a sex and age discrimination suit currently facing Skadden, Arps, Slate, Meagher & Flom.

Rita W. Gordon, a former counsel in the firm’s litigation department, was fired in 2005 for allegedly inappropriately charging clients for personal car service use. The firm reported her to the Departmental Disciplinary Committee and reimbursed several clients.