The Hartford had argued the settlement allows the plaintiffs to circumvent its workers' compensation subrogation lien.

In total, the lawsuit made claims against 18 doctors, nine pharmacies, nine pharmacists, three lay investors and two physician assistants.

With business interruption cases filtering through the courts, insurance cases may not only be trending in Pennsylvania but across the United States.

Pennsylvania's MCARE insurance law precluded the federal government from insisting on a "reversionary trust," which would have required the return of settlement funds unused for medical treatment.

Insurance coverage lawsuits in Pennsylvania saw an uptick in the last week.

Discovery requested included delving into attorneys' alleged use of lead generation and litigation funding companies.

Stacking insurance coverage and piercing the corporate veil are also on the agenda for the high court over two days of oral arguments in Philadelphia.

The ruling opens the door for lawsuits against companies involved in the manufacture and sale of a gun.