Two U.S. military veterans on Thursday sued 3M Co. to block its planned spinoff of its healthcare business, which they called an illegal attempt to avoid compensating veterans for hearing damage caused by the company’s military-issue earplugs.

Moderna sued Pfizer and its German partner BioNTech on Friday for patent infringement in the development of the first COVID-19 vaccine approved in the United States, alleging they copied technology that Moderna developed years before the pandemic.

The company faces more than 3,000 lawsuits from state and local governments around the country over the drug. No final deal has been announced and AbbVie denies wrongdoing.

The whistleblower claim was brought by former employee Michael Bawduniak, who accused the company of paying off doctors to favor its multiple sclerosis drugs over those of its competitors. The trial for this case was scheduled to begin July 26.

A U.S. judge on Friday refused to dismiss a $6.4 billion lawsuit accusing Bristol Myers Squibb Co. of delaying its Breyanzi cancer drug to avoid payments to shareholders of the former Celgene Corp., which the drugmaker bought for $80.3 billion in 2019.

A U.S. appeals court on Tuesday ruled against Swiss drugmaker Novartis AG in a patent infringement dispute concerning its blockbuster multiple sclerosis drug Gilenya.

The U.S. Supreme Court could announce as soon as Monday whether it will hear Bayer’s bid to dismiss claims its Roundup weedkiller causes cancer as the company seeks to avoid potentially billions of dollars more in damages and payouts.

Teva Pharmaceutical Industries and AbbVie’s Allergan unit reached a settlement worth $161.5 million to resolve claims the companies fueled an opioid epidemic in West Virginia, state attorney general Patrick Morrisey said on Wednesday.