Letter of Patent utilizes an exceptional and unique method of character generation. Each character establishes a genealogy of fourteen ancestors. Every ancestor has a Title; the Title contributes Attribute modifiers (bonuses and penalties) to the character. The character's Attributes are thus numerically determined by their ancestry. The six Attributes are Melee, Joust, Shield, Romance, Honor, and Wealth.
The primary conflict of the game centers around a medieval tournament with jousting and social interaction.