The Philipse Patent was a British royal patent for a large tract of land on the east bank of the Hudson River about 50 miles north of New York City. It was purchased in 1697 by Adolphus Philipse, a wealthy landowner of Dutch descent in the Province of New York, and in time became today's Putnam County.

Adolphus Philipse (1665–1750) was a wealthy landowner of Dutch descent in the Province of New York. In 1697 he purchased a large tract of land along the east bank of the Hudson River stretching all the way to the east to the Connecticut border. Then known as the "Highland Patent" it became in time referred to as the Philipse Patent. After his death the Patent was inherited by his nephew, Frederick Philipse II, his only heir-at-law, who became the second Lord of the Manor of Philipsborough in Westchester County.