COVID-19 could tie up Canadian courts for years, says a litigation lawyer.Michael Smith, a partner at the Bennett Jones law firm in Toronto, says it has been tracking all proposed class-action claims related to the pandemic.From the end of March to June 1, the firm recorded 19 such lawsuits across Canada, including eight against long-term care facilities. “What you find with COVID is the breadth of the sectors it touches,” Smith said in an interview.“You’re seeing many industry sectors affected simultaneously.