Bergstein Flynn Knowlton & Pollina PLLC Bergstein Flynn Knowlton & Pollina PLLC Bergstein Flynn Knowlton & Pollina PLLC is a real estate law firm based in New York, NY. In addition to litigating real estate sales, purchases, and commercial leasing, we also offer general counsel in consumer protection matters for small businesses and startups, specializing in contract, shareholder, intellectual property, and employee disputes, among others. Contact us today for a free consultation.