Moderna Inc. dropped a lawsuit on Pfizer Inc. and BioNTech SE, claiming the technology in their Covid-19 shots infringes on its messenger RNA patents. The legal battle will surely be protracted and expensive. What it won’t do is slow the pace of innovation in mRNA, if gene editing tool Crispr’s legal tangles are a guide. Vaccines and therapies that use ...

They’ve been a­round for thousands of years but they’re still tripping up foreign investors in China. Company chops are the carved seals that, when used with a red inkpad to stamp documents, confer legitimacy on corporate actions. Investors accustomed to the norms of Western business may think they control the company when they hold a majority of the shares. Nuh-uh. ...

  With a new school year getting underway, public-school districts in the US are sounding alarms about a looming shortage of teachers. In response, some states have loosened rules to bring more workers, including those who haven’t yet earned a college degree, into the profession. These efforts are worthwhile — but they’re only addressing half the problem. Although reports of ...