Former Dunkinâ?? vice president of global research and development Michael Oâ??Donovan filed a $5 million lawsuit against the company, claiming they violated an agreement with him to not reveal the reason for his departure or make any disparaging statements. According to the lawsuit, false and defamatory statements made by Dunkinâ?? about Oâ??Donovan have cost him multiple job opportunities. The lawsuit claims that certain executives purposefully gave negative references to sabotage Oâ??Donovanâ??s career after leaving the company.