Bergstein Flynn Knowlton & Pollina PLLC | 650 followers on LinkedIn. Client-centric, innovative, transparent service for real estate, corporate and white collar clients. | Customer service driven, client-centered and transparent. These are the core principles upon which Bergstein Flynn Knowlton & Pollina, a boutique, full service New York law firm, operates. The firm combines the litigation and transactional prowess of its founders with a hands-on, client-focused, technology savvy approach.