Todd Lippman has been around the Chicago law firm real estate market for more than 30 years, and even he is fascinated to see what happened here in 2019.Lippman, vice chairman of commercial real estate firm CBRE, is seeing a continuing shift with firms looking to reduce floor plans and save more dollars per square foot on their capital spending.“It’s interesting to where law firms have come to,” Lippman said. “They’re looking to contract space and become more efficient. I have watched folks …