October 28, 2024 Thomas E. Wirth Executive Vice President and Chief Financial Officer Brandywine Realty Trust 2929 Arch Street, Suite 1800 Philadelphia, PA 19104 Re: Brandywine Realty Trust Brandywine Operating Partnership, L.P. Forms 10-K for the year ended December 31, 2023 File Nos. 001-09106 and 000-24407 Dear Thomas E. Wirth: We have completed our review of your filings. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Real Estate & Construction