At least two Am Law 100 firms were hit with pregnancy bias suits in April. Art: Shutterstock. Welcome to Law.com Radar’s monthly roundup of new cases involving Am Law 200 firms as litigants. Each month, we spotlight litigation in which Am Law 200 firms are either defendants or plaintiffs, in a range of disputes, from employment actions to malpractice claims to contract fights. We’ll share takeaways on trends and track some of the biggest battles as they move through the legal system.