The Chamber of Commerce has asked for a preliminary injunction to halt the program before Oct. 1, the deadline for pharma companies to agree to Medicare negotiations on pricing for the first 10 drugs.

Following its initial lawsuit last month, Merck has now requested that a federal judge rule on its Inflation Reduction Act case against the Biden administration without a trial.

Some of the world’s biggest drugmakers are laying legal groundwork to fight the U.S. plan to negotiate drug prices for its Medicare health coverage, including the argument that a ban against speaking about these talks violates constitutional rights, according to industry sources.