Researching Dennis Crouch

Crouch graduated with a B.S.E. in mechanical and aerospace engineering a certificate in engineering management systems from Princeton University in 1997. Along with Kotaro Akita, he completed a senior thesis, titled "webrisk!: An Autonomous Learning System on the Internet", under the supervision of Minh Quang Phan. In 2003, he received his J.D. from the University of Chicago Law School, and passed the Illinois bar examination and was admitted to practice in Illinois in the same year. He also passed the USPTO registration examination, most likely in 2003, and was registered to practice as a patent agent in February 2004 and as a patent attorney in August 2004. He runs the "Patently-O Patent Blog", a patent law blog that features analysis on current Federal Circuit law and other subjects. According to BusinessWeek, as of 2008 the Patently-O blog was the most widely read patent law blog and was included in the American Bar Association Journal blog's inaugural patent blog "hall of fame" in 2012. Crouch is reported to be "fairly obsessive about timeliness, checking the Federal Circuit's site when it is updated each morning and immediately noting new cases on his blog."

He came from a musical family and started playing bass when he was eight years old. In 1996 he moved to Nashville, Tennessee. Two years later, he co-founded the Time Jumpers, a western swing band. He left the band in 2012. He has recorded and performed with Gregg Allman, T Bone Burnett, Johnny Cash, Elvis Costello, Harry Connick Jr., Elton John, Diana Krall, Alison Krauss, Imelda May, Willie Nelson, Robert Plant, Steven Tyler, John Mellencamp, Ralph Stanley, Paula Cole, Loretta Lynn, Vince Gill, The Chieftains, and Steve Earle.

He played on the 2003 album Wildwood Flower, which won a Grammy Award for Best Traditional Folk Album.