Richard did not start writing until he was 29 and already out of law school. He began his first book, The Lasko Tangent, as part of a creative writing course at the University of Alabama at Birmingham. Once it was completed, he found a publisher, and the novel won the Edgar Allan Poe Award in the category "Best First Mystery Novel (American)" in 1980. He published three more novels before retiring, in 1993, from the practice of law to devote himself to writing. Since then he has written 11 additional novels, with eight consecutive international bestsellers, including No Safe Place, Eyes of a Child, and Dark Lady. His has also won the Grand Prix de Litt rature Polici re.
Patterson was a past chairman of the National Governing Board for Common Cause. He has served on boards of several advocacy groups dealing with gun violence, political reform, and reproductive rights. His family consists of 5 children, one of whom is his adopted daughter Katherine who graduated Summa Cum Laude from Vanderbilt University in 2007 with a B.A. in neuroscience. They split their time between the San Francisco Bay Area and Martha's Vineyard.