Failed mega-mergers and regulatory uncertainty in the health insurance sector promise to bring additional legal work to law firm practices that are already bustling. As Congress grapples with whether it will ever be able to replace the Affordable Care Act, law firms have a real opportunity to help a broad array of clients in limbo: Insurers are looking to innovate, state health care exchanges face an uncertain future and health care systems continue to eye consolidation. As they await clarity, clients are weighing whether to put new initiatives on hold. And they want a voice in the ultimate outcome—which means that law firm lobbying practices have big role to play, too.

Here, we look at the health insurance industry from the perspectives of law firms, regulators and corporate counsel.