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Phil Rosenthal

Phil Rosenthal

Phil Rosenthal is president, chairman, and a co-founder of Fastcase, an online legal research software company based in Washington, D.C. Fastcase brings big data analytics to legal research and currently serves 800,000 attorneys with the number one legal app according to the American Bar Association.

After graduating salutatorian from Bronx High School of Science, Rosenthal attended Yale, where he majored in physics and graduated summa cum laude and phi beta kappa. He then went to Caltech, where he earned his doctorate in physics, researching string theory and cosmology and also working at the Jet Propulsion Laboratory, where he worked on the mission that eventually flew by Pluto.

From there, Rosenthal went to Harvard Law School, where he graduated magna cum laude, and then to the law firm of Covington & Burling in Washington, where he concentrated in patent, nuclear and telecommunications law. There he met Ed Walters and together they founded Fastcase as an alternative to Westlaw and LexisNexis.

Rosenthal is currently running for Congress in New York’s 10th Congressional District against Democrat Jerrold Nadler.

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Guest Appearances
July 16, 2019

AALL 2019: Fastcase 20th Anniversary

Ed Walters and Phil Rosenthal celebrate the 20th Anniversary of Fastcase.

April 11, 2017

Evolve Law Summit: A Conversation with Fastcase’s Phil Rosenthal

Evolve Law co-founder Jules Miller interviews Fastcase co-founder Phil Rosenthal about his mission to democratize the law.

October 12, 2016

For Fastcase founders, the message is: Change, and do it faster!

Legal technology has changed since 1999, when Ed Walters and Phil Rosenthal founded the legal research service Fastcase—but not as much as they’d like.