A Practice Note discussing the exemptions available under the Hart-Scott-Rodino (HSR) Act for acquisitions of real estate, including under Rules 802.2 and 802.5. This Note discusses the types of real property exempt under Rule 802.2, such as new and used facilities, unproductive real property, office and residential property, and hotels and motels. It also discusses exempt acquisitions of investment rental property assets under Rule 802.5. This Note covers how to determine when the exemptions apply and the effect of the exemptions on determining the HSR size-of-transaction, and consequently, whether a real estate transaction must be reported.