In reference to the patent: CA2829469A1
BPM (Business Process Management) and WfMS (Workflow Management System) technologies, implementations, platforms, COTS solutions, and application have been known for decades, with numerous systems implemented in variety of verticals, including real estate. I do not see why this particular patent is different from prior art? Examples of prior art: ManyWho (now Boomi's Workflow Automation). This prior art provides a low-code application development platform to rapidly build scalable and secure solutions. With this offering, you can build and deploy workflow applications, from simple to sophisticated, through a modern, native-cloud platform.There are thousands of other IT applications that are implemented on the basis of known business workflow engines.